5

5011 ENVIRONMENT AND ITS COMPONENTS T P C 2 0 2 AIMS • To be able to understand the basic concepts of environment. • To be able to understand the components of environment. • To be able to understand the classification of natural environment, social

environment, air as abiotic components of environment, present status of atmosphere, land and water.

SHORT DESCRIPTION Environment; Natural and manmade environment; Different types of natural environment; Social environment; Environmental developments; Global environmental challenges; Air as abiotic component of environment; Soil as a component of environment; Water as component of environment. DETAIL DESCRIPTION 1 Understand the concept of environment.

1.1 Define environment. 1.2 Describe biotic and abiotic components of environment. 1.3 Describe aquatic environment. 1.4 Describe the environment of animal. 1.5 Describe the environment of human.

2 Understand the natural and manmade environment. 2.1 Define natural and manmade environment. 2.2 Describe the city environment. 2.3 Distinguish between natural and manmade environment. 2.4 Describe the effects of environment on human life.

3 Understand different types of natural environment. 3.1 Describe marine environment. 3.2 Describe estuarine environment. 3.3 Describe fresh water environment. 3.4 Describe terrestrial environment.

4 Understand the environmental development. 4.1 Define urbanization. 4.2 Describe the effects of urbanization on environment. 4.3 Describe industrialization. 4.4 Describe the effects of industrialization on environment.

5 Understand the global environmental challenges.

5.1 Describe environmental challenges of the global.

6

5.2 Describe the efforts to meet the challenge. 5.3 Describe the United Nations Conference on environment and

Development (UNCED) on Earth Summit 1992 with out come. 5.4 Describe the South Asia Cooperative Environment Program (SACEP)

with its outcome. 6 Understand the soil as component of environment.

6.1 Define earth. 6.2 Describe earth’s inner structure. 6.3 Describe earth’s crust. 6.4 Describe soil with its structural components. 6.5 Describe soil texture. 6.6 Describe the chemistry of mineral skeletan in soil. 6.7 Describe soil pollution. 6.8 Mention the effect of soil pollution on environment.

7 Understand the water as the component of environment. 7.1 Describe the chemical structure of water. 7.2 Describe the uses of water. 7.3 Describe the sources of water. 7.4 Describe the pollution of water. 7.5 Describe the effect of water pollution on environment. 7.6 Mention the major water pollution accidents of the world with their

effects. REFERENCE BOOKS 1. Environmental Science – Nebal and Wright. 2. Environmental Science – Turk and Turk. 3. cwi‡ek ylY - †MŠZg cvj 4. AvaywbK cwi‡ek imvqb - †gvnv¤§` gwni DwÏb 5. cwi‡ek imvqb - kvgmyb bvnvi 6. cwi‡ek `ylYt (1g I 2q LÛ) - Ave`yj gv‡jK fu~Bqv 7. cwi‡ek `ylY ‡gvnv¤§` KwWQvi nvwee fu~Bqv 8. wecbœ cwi‡ek I evsjv‡`k| Wt Gd. Gg Avwgiƒj Bmjvg

7

5012 ENGINEERING MATERIALS T P C 2 0 2 AIMS • To be able to identify and classify the materials used for construction in engineering

field. • To be able to recognize the sources of various engineering materials. • To be able to understand the characteristics of various engineering materials. • To be able to understand the uses of different engineering materials. SHORT DESCRIPTION Aspects of engineering materials; Engineering uses of ferrous metals and alloys; Engineering use of non-ferrous metal; Bricks; Sand; Cement; Lime as mortar; Aluminium as construction materials; Timber; Stone; Insulating materials; Glass and ceramics, Paints and varnishes, Sound absorbing materials; Fire and water proofing materials; Fuels and lubricants; Plastic materials. DETAIL DESCRIPTION 1 Understand the various aspects of engineering materials.

1.1 Define engineering materials. 1.2 Mention the classification of engineering materials. 1.3 List the characteristics of engineering materials.

2 Understand the characteristic of brick as construction materials. 2.1 Define brick. 2.2 Mention different constituents for manufacturing of good bricks. 2.3 Explain pug mill, table molding and machine molding. 2.4 Describe the process of brick drying. 2.5 Describe the methods of kiln burning of brick. 2.6 Draw the sketches Bull’s trench kiln & Hoffman’s kiln. 2.7 Describe the advantages and disadvantages of using brick as

construction material. 3 Understand the application of sand.

3.1 Mention the classification of sand according to their sources. 3.2 Mention the specifications of good sand. 3.3 Describe the purpose of grading of sand. 3.4 Mention the use of various grades of sand.

4 Understand the application of cement. 4.1 Define cement. 4.2 Mention the functions of various ingredients of cement. 4.3 Distinguish between wet process and dry process of manufacturing

Portland cement.

8

4.4 Draw a flow diagram based on wet process of manufacturing of cement. 4.5 Mention the uses of cement as engineering material.

5 Understand the application of lime as mortar. 5.1 Define lime and mortar. 5.2 Mention different types of lime. 5.3 Mention characteristics of good lime. 5.4 Explain hydration, calcination and hydraulicity. 5.5 Mention the principal uses of lime. 5.6 Describe different types of mortar. 5.7 Mention the function of sand and cement mortar. 5.8 Describe the uses of mortar.

6 Understand the aluminum as construction materials. 6.1 Explain the important properties of aluminum as construction material. 6.2 Mention the uses of aluminum. 6.3 Describe the advantages and disadvantages of using aluminium as

construction material. 7 Understand the fundamental concepts of glass and ceramics.

7.1 Mention the constituents of glass. 7.2 List the properties of glass. 7.3 Mention the uses of glass. 7.4 Describe the constituents of ceramics. 7.5 Mention the classification of ceramics. 7.6 List the properties of ceramics. 7.7 Describe the uses of ceramics in engineering field.

8 Understand the basic concepts of paints and varnishes. 8.1 Define paints and varnish. 8.2 Explain the characteristics of good paint. 8.3 List the essential constituents of paint. 8.4 Explain the functions of pigment. 8.5 List the main constituents of varnishes. 8.6 Explain the characteristics of good varnish. 8.7 Mention the functions of vehicle. 8.8 Describe synthetic materials used for paint and varnishes.

9 Understand the application of stone. 9.1 Define building stones. 9.2 Mention geological, physical and chemical classification of stones. 9.3 List the characteristics of good building stones. 9.4 Describe the dressing of stones. 9.5 Describe the uses of stone in engineering filed.

10 Understand the characteristic of timber as construction materials. 10.1 Define timber. 10.2 Mention the classification of trees depending on botanical groups. 10.3 Explain conservation of timber in various market forms.

9

10.4 Describe the major defects in timber. 10.5 Describe the advantages and disadvantages of using timber in the

engineering filed. 11 Understand the application of various insulating materials.

11.1 Mention the functions of insulating materials. 11.2 List five natural heat insulating materials. 11.3 Mention the names of synthetic insulating materials. 11.4 Describe the sources of obtaining rubber, cork and ebonite. 11.5 Describe the uses of asbestos as insulating material.

12 Understand the characteristic of sound absorbing materials. 12.1 List three natural sound absorbing materials. 12.2 Mention the names of five sound absorbing materials. 12.3 Describe the manufacturing process of acoustic tile. 12.4 Explain light weight concrete used in acoustic works.

13 Understand the fundamental aspects of fire and water proofing materials. 13.1 Mention the term of fire proofing materials and water proofing materials. 13.2 Explain the uses of asbestos as fire and waterproof materials. 13.3 List the characteristics of refractory materials. 13.4 Explain the uses of rubber as water proofing material.

14 Understand the basic concepts of fuels and lubricants. 14.1 Define the term fuel and lubricants. 14.2 Mention the main purposes of fuels with their classifications. 14.3 List different types of lubricants. 14.4 Explain the characteristics of lubricating oils.

15 Understand the engineering applications of plastic materials. 15.1 Define plastic. 15.2 List the names of raw materials for plastic. 15.3 Explain the properties of plastic. 15.4 Mention the characteristics of thermoplastic and thermosetting plastic. 15.5 Describe the manufacturing process of plastic. 15.6 Explain the molding methods of plastic products. 15.7 Identify the uses of plastic as engineering materials. 15.8 Explain laminating plastic.

16 Understand the engineering uses of ferrous metals and alloys. 16.1 Name the common types of iron used in industry. 16.2 Mention the uses of wrought iron and cast iron. 16.3 Mention the classification of steel on the basis of carbon content. 16.4 List the names of commercial steels. 16.5 Describe alloy steel. 16.6 List the names of important alloy steels. 16.7 Mention the uses of various alloy steels.

17 Understand the engineering use of non-ferrous metals.

10

17.1 Define non-ferrous metals. 17.2 List the important non-ferrous metals used in engineering field. 17.3 Mention the uses of non-ferrous metals and alloys like copper, zinc, tin,

lead, brass and bronze. REFERENCE BOOKS 1 A text book on Engineering Materials

⎯ G. J. Kulkarni 2 Engineering Materials

⎯ Dr. M. A. Aziz 3 Plastic Materials

⎯ J. A Brydson

11

1611 ENGINEERING DRAWING T P C 0 6 2

OBJECTIVES

• To develop the ability to use various drawing instruments and materials. • To enable in constructing and using various types of scales in drawing. • To provide the ability to construct various geometrical figures. • To enable to adopt various symbols used in drawing. • To provide the skill of freehand sketching with shades and shadows. • To provide the basic skill of drawing orthographic views. SHORT DESCRIPTION

Drawing instruments and their uses; Lettering, numbering and constructing title strip; Adopting alphabet of lines and dimensioning; Constructing scales; Constructing geometrical figures; Constructing conic sections; Adopting symbols; Freehand sketching (with shades and shadows), Drawing orthographic views. DETAIL DESCRIPTION

DRAWING INSTRUMENTS AND MATERIALS

1 Practice with drawing instruments and materials for basic drawing technique.

1.1 Identify the different types of drawing instruments. 1.2 Use different types of drafting equipment. 1.3 Use different types of drafting software. 1.4 Identify the standard sizes of drawing board and sheets. 1.5 Draw the border lines in drawing sheets following standard rule. 1.6 Draw horizontal, vertical and inclined lines with the help of set squares

and T-square. 1.7 Draw 15 degree, 75 degree, 105 degree and 120 degree angles with the

help of set squares. 1.8 Use lettering guide, template, scale pantograph and French curve.

LETTERING NUMBERING AND TITLE STRIP 2 Letter and number freehand and with instruments.

2.1 Identify the necessity of good lettering in engineering drawing. 2.2 Draw freehand single stroke vertical letters from A to Z (upper and lower

case) and numbers 0 to 9. 2.3 Draw freehand inclined (65 degree to 75 degree) single stroke letters

from A to Z (upper and lower case) and numbers from 0 to 9.

12

2.4 Draw block letters (Gothic) using 5 : 4 and 7 : 5 proportions and height. 2.5 Select a suitable size of letters and write a few sentences using all the

letters selecting suitable scale. 2.6 Draw title strip with proper placement using suitable size of letters and

measurements.

ALPHABET OF LINES AND DIMENSIONING 3 Adopt the alphabet of lines.

3.1 Select different lines in drawing. 3.2 Use center line, hidden line, phantom line, break line, dimension line,

extension line, section line and cutting plane line. 3.3 Use different thickness of line to emphasize a part of drawing. 3.4 Select recommended grades of pencils for various types of lines for

engineering drawing.

4 Adopt the elements and theory of dimensioning. 4.1 Put dimensions in engineering drawing according to an accepted

standard. 4.2 Identify the elements of dimensions from a given dimensioned drawing. 4.3 Apply aligned and unidirectional system of dimensioning. 4.4 Draw size and location of dimension, continuous dimension, staggered

dimension and dimensioning in limited space. 4.5 Add necessary dimension to a given drawing with suitable arrows.

CONSTRUCTION OF SCALE 5 Prepare scale for drawing application.

5.1 Calculate representative fraction and interpret a scale reading. 5.2 Use different types of scale to find full size dimension. 5.3 Draw a plain scale to show meters, centimeters and millimeters of a

given distance on object. 5.4 Draw a diagonal scale to show three units having given RF. 5.5 Read particular distance on plain and diagonal scale. 5.6 Use scale of chord. 5.7 Draw angle of 49 degree, 78 degree and 95 degree with the help of

scale of chord. GEOMETRICAL CONSTRUCTIONS 6 Construct geometric figures (lines, triangles & squares).

6.1 Divide given straight line into any number of equal parts. 6.2 Draw perpendicular when the given point is at or near the end of the

line. 6.3 Bisect a given angle. 6.4 Trisect a given angle.

13

6.5 Draw a straight line parallel to given straight line at some given distance. 6.6 Draw a square on a given straight line.

7 Construct geometric figures (circles and regular polygons). 7.1 Draw regular polygons i.e. pentagon, hexagon and octagon having

given one side. 7.2 Locate the center of circle and arc. 7.3 Inscribe circle in triangles. 7.4 Inscribe a circle about a triangle. 7.5 Divide a triangle into any number of equal parts. 7.6 Draw an equilateral triangle equal in area of a square. 7.7 Determine the length of the circumference of circle.

CONIC SECTIONS 8 Construct conic sections.

8.1 Draw an ellipse by concentric circle method. 8.2 Draw an ellipse by parallelogram method. 8.3 Draw an ellipse by four center method. 8.4 Draw a parabola having given foci and directrix. 8.5 Draw a parabola from given abscissa and ordinate.

SYMBOLS 9 Adopt standard symbols in drawing.

9.1 Identify symbols used in drawing. 9.2 Draw a legend using symbols of different engineering materials. 9.3 Draw the symbols of different plumbing fittings and fixtures used in

drawing. 9.4 Draw the symbols of different electrical fittings and fixtures used in

drawing. 9.5 Interpret information from drawing containing standard symbols.

FREEHAND SKETCHING (WITH SHADES AND SHADOWS) 10 Sketch freehand with shades and shadows.

10.1 Produce freehand sketches of the following with shade and shadow technique:

14

a. Book b. Brick c. Step d. Cylinder e. Hand tubewell f. Spade with handle g. Pipe wrench

h. Bib-cock i. Bench vice j. Open box k. Electric lamps l. Electric switches m. Electric fan n. Nuts and bolts

10.2 Use different materials and methods of shading and shadowing

freehand sketches.

ORTHOGRAPHIC PROJECTION

11 Translate pictorial views of simple objects into orthographic views.

11.1 Identify different planes. 11.2 Draw third angle orthographic views of simple objects. 11.3 Draw first and third angle views of a simple object and add proper

dimensions. REFERENCE BOOKS

1 Geometrical Drawing

⎯ I H Morris 2 Prathamic Engineering Drawing

⎯ Hemanta Kumar Bhattacharia

15

2712 BASIC ELECTRICITY T P C 3 3 4

AIMS • To familiarize the basic electrical quantities & laws and to apply them in solving

problems of electrical circuits. • To acquaint with electro-chemistry, electro-magnetism, electro-magnetic induction

and electrostatic. • To develop skill in electrical wiring. • To appreciate the safety measures to be taken for electrical wiring. SHORT DESCRIPTION Electric current and ohm's law; Conductors and insulators; Basic electrical circuits; Power and energy; Basic electro-chemistry; Electro-magnetism; Electro-magnetic induction; Electrostatics; Wires and cables; Hand tools used in wiring; House wiring; Controlling devices; Protective devices; Earthing. DETAIL DESCRIPTION Theory : ELECTRIC CURRENT 1 Understand electricity and its nature. 1.1 State the meaning of electricity. 1.2 Describe the structure of atom. 1.3 Define current, voltage and resistance. 1.4 State the units of current, voltage and resistance. CONDUCTOR & INSULATOR 2 Understand conductor and insulator.

2.1 Define conductor and insulator. 2.2 Explain the electron theory of conductor and insulator. 2.3 List at least 5 conductors and 5 insulators. 2.4 Describe the factors upon which the resistance of a conductor depends. 2.5 State laws of resistance.

2.6 Prove the relation R= AL

ρ

2.7 Explain the meaning of resistivity and name the unit of resistivity. 2.8 Solve problems relating to laws of resistance.

16

OHM'S LAW 3. Understand Ohm's Law 3.1 State Ohm's law. 3.2 Deduce the relation between current, voltage and resistance. 3.3 Solve problems relating to Ohm's law. BASIC ELECTRIC CIRCUITS 4 Understand electric circuit. 4.1 Define electric circuit. 4.2 Name the different types of electric circuits. 4.3 Define series circuit and parallel circuit. 4.4 Describe the characteristic of series circuit and parallel circuit. 4.5 Calculate the equivalent resistance of series circuit and parallel circuit. 4.6 Solve problems relating to series circuit and parallel circuit. 4.7 Describe complex or mixed circuit. 5 Apply the principles of Kirchhoff's laws.

5.1 Define node, branch and loop. 5.2 Define Kirchhoff's current law and voltage law. 5.3 Solve problems relating to Kirchhoff’s laws.

POWER AND ENERGY 6 Apply the concept of electrical power and energy.

6.1 Define electrical power and energy. 6.2 State the unit of electrical power and energy. 6.3 Show the relation between electrical power and energy. 6.4 List the name of instruments for measuring of electrical power and

energy. 6.5 Draw the connection diagram of wattmeter and energy meter in an

electrical circuit. 6.6 Solve problems relating to electrical power and energy.

7 Understand the principles of Joule's law. 7.1 Describe the heating effect of electricity when current flows through a

conductor. 7.2 Explain Joule's law regarding the development of heat in electrical

circuit. 7.3 Describe meaning of "J". 7.4 Solve problems relating to Joule’s law.

BASIC ELECTRO-CHEMISTRY 8 Understand the concept of cells.

8.1 Describe the meaning of potential difference. 8.2 Define the meaning of cell.

17

8.3 Describe the construction and principle of action of a simple Voltaic cell. 8.4 List the defects of a simple Voltaic cell. 8.5 Describe the causes of defects of a simple Voltaic cell. 8.6 Describe the methods of removing the defects of a simple Voltaic cell. 8.7 Distinguish between primary and secondary cells.

9 Understand the construction and principle of action of secondary cell. 9.1 Define secondary cell. 9.2 Describe the construction and principle of action of a lead acid cell. 9.3 List the uses of lead acid cell. 9.4 List the advantages of secondary cell. 9.5 Distinguish between a cell and a battery. 9.6 Describe the series and parallel grouping of cells.

10 Understand the concept of capacitors and capacitance. 10.1 Define capacitor and capacitance. 10.2 Name the unit of capacitance. 10.3 Name the different types of capacitor. 10.4 Write the uses of capacitor. 10.5 Determine the equivalent capacitance of a number of capacitors

connected in series. 10.6 Determine the equivalent capacitance of a number capacitors

connected in parallel. 10.7 Explain the energy stored in a capacitor. 10.8 Solve problems relating to capacitor connected in series and in parallel.

ELECTRO - MAGNETISM 11 Understand Electro - magnetism.

11.1 Describe magnetic field, magnetic lines of force and its properties. 11.2 Describe field intensity and magnetic flux density. 11.3 Distinguish between absolute permeability and relative permeability. 11.4 Describe the concept of magnetic effect of electrical current. 11.5 States Maxwell's cork screw rule and Fleming's right hand rule for

determining the direction of magnetic field and current. 11.6 Explain the force experienced in a current carrying conductor placed in

a magnetic field. 11.7 State Fleming's left hand rule. 11.8 Explain the work done by a moving conductor in a magnetic field. 11.9 Explain the force between two parallel current carrying conductor.

12 Understand magnetic circuit. 12.1 Define a magnetic circuit. 12.2 Define the terms magnetizing force, magnetomotive force, ampere –

turns, reluctance, permeance, permeability, magnetic linkage and leakage.

12.3 Show the relation between magnetomotive force, reluctance and magnetic field intensity or magnetizing force.

18

12.4 Compare a magnetic circuit with an electrical circuit. ELECTRO MAGNETIC INDUCTION 13 Understand electro- magnetic induction.

13.1 Define Faraday's laws of electro-magnetic induction. 13.2 Describe the magnitude of dynamically induced emf and statically

induced emf 13.3 Solve problems relating to emf generation. 13.4 Define Lenz's law and Fleming's right hand rule for determining the

direction of induced emf and current. 13.5 Define self induced emf and self inductance. 13.6 Explain inductance of a iron cored inductor. 13.7 Define mutual inductance and co-efficient of coupling.

14 Understand magnetization effect. 14.1 Draw the magnetisation curves (B-H curves) for cast iron, cast steel and

steel sheet. 14.2 Explain cycles of magnetisation or hysteresis loop. 14.3 Define hysteresis loss. 14.4 Determine hysteresis loss form hysteresis loop. 14.5 Define eddy current loss and explain the procedure to minimize the

eddy current loss. 14.6 Explain energy stored in a magnetic field and lifting power of

electromagnets. 14.7 Solve problems relating to energy stored in a magnetic field.

19

WIRES AND CABLES 15 Understand the uses of wires and cables.

15.1 Define electrical wires and cables. 15.2 Distinguish between wires and cables. 15.3 Describe the construction and uses of PVC, VIR, TRS or CTS and

flexible cables. 15.4 Describe the procedure of measuring the size of wires and cables by

wire gauge. 15.5 Describe the current carrying capacity of a wire.

JOINTS AND SPLICES 16 Understand the usefulness of joints and splices.

16.1 Define the meaning of joints and splices. 16.2 State the five steps of making a joint. 16.3 Describe the procedure to make a pig tail joint, western union joint,

Britannia joint, duplex joint, tap joint, simple splice. 16.4 Give example of uses of above mentioned joints.

HOUSE WIRING 17 Understand the different methods of house wiring.

17.1 State the meaning of wiring. 17.2 List at least four types of wiring. 17.3 State the procedure for plastic casing wiring, surface conduit wring and

concealed wiring. 17.4 State the types of wiring used in :

a) Residential building. b) Workshop c) Cinema hall/Auditorium d) Temporary shed

17.5 List the name of fittings used in different types of electrical wiring. CONTROLLING DEVICES 18 Understand the construction and uses of controlling devices.

18.1 Define controlling device. 18.2 Name the different types of controlling devices. 18.3 Describe the constructional features and uses of tumbler switch, iron

clad switch, push button switch and gang switch. PROTECTIVE DEVICES 19 Understand the construction and uses of protective devices.

19.1 Define protective devices. 19.2 Name the different types of protective devices. 19.3 Name the different types of fuses used in house wiring.

20

19.4 Describe the construction and uses of renewable fuse. 19.5 Name the different types of circuit breaker used in house wiring.

EARTHING 20 Understand the necessity of earthing.

20.1 Define earthing 20.2 Explain necessity of earthing 20.3 Name different types of earthing

WIRING CIRCUITS 21 Apply the principle of controlling electrical circuit by switch.

21.1 Sketch the wiring diagram of one lamp controlled by one SPST switch and describe its uses.

21.2 Sketch the wiring diagram of one lamp controlled by two SPDT switch and describe its uses.

21.3 Draw the wiring diagram of one calling bell with a lamp controlled from one point.

21.4 Draw the wiring diagram of a fluorescent tube light circuit. 21.5 Describe the working principle of fluorescent tube light.

ELECTRICITY ACT 22 Understand electricity act/rule of Bangladesh and safety practices.

22.1 State electricity act/rule of Bangladesh to be followed in electrical wiring. 22.2 Describe the importance of electricity act/rule. 22.3 Describe safety procedure against electrical hazards. 22.4 List the performance of safety practices for electrical equipment,

machines and accessories. Practical : 1 Show skill in verification of Ohm's Law 1.1 Sketch the circuit diagram for the verification of Ohm's Law. 1.2 List tools, equipment and material required for the experiment. 1.3 Prepare the circuit according to the circuit diagram using proper

equipment. 1.4 Check all connections before the circuit is energized. 1.5 Verify the law by collecting relevant data. 2 Show skill in verification of Kirchhoff's law. 2.1 Draw the circuit diagram for the verification of Kirchhoff's current and

voltage law. 2.2 List tools, equipment and materials required for the experiment. 2.3 Prepare the circuit according to the circuit diagram. 2.4 Check all connections before the circuit is energized. 2.5 Verify the kirchnoff's current law and voltage law by collecting relevant

data. 3 Show skill in measuring the power of an electric circuit. 3.1 Sketch the necessary circuit diagram of an electrical circuit with

electrical load, ammeter, voltmeter and wattmeter.

21

3.2 Prepare the circuit according to the circuit diagram using ammeter, voltmeter and wattmeter.

3.3. Record the power, measured by the wattmeter and verify the reading with that of calculated from ammeter and voltmeter.

3.4. Compare the measured data with that of calculated and rated power. 4 Show skill in measuring the energy consumed in an electrical circuit. 4.1 Sketch the necessary diagram of an electric circuit with wattmeter,

energy meter and electrical load. 4.2 Prepare the circuit according to the circuit diagram using wattmeter and

energy meter. 4.3 Record the energy measured by the energy meter and verify it with that

of calculated from wattmeter for a fixed time. 5 Show skill in grouping a number of cell to form a battery. 5.1 Sketch the connection diagram of 4 cells (1.5 V each) in series. 5.2 List the materials and equipment required for the experiment. 5.3 Connect the terminals of the cells according to the diagram. 5.4 Determine the terminal voltage of the group and verify it with the

calculated result. 6 Show skill in making artificial magnets. 6.1 Make an artificial magnet by rubbing method (single touch). 6.2 Make an artificial magnet by divided touch method. 6.3 Make an artificial magnet by passing electrical current. 6.4 Detect the polarity of the produced artificial magnet with the help of a

compass needle. 7 Show skill in mapping the lines of force and locating the poles of a bar

magnet in different positions. 7.1 Place a bar magnet in the magnetic meridian and place north pole

towards north. 7.2 Draw the magnetic lines of force from either side of magnet by a

compass needle. 7.3 Locate the two neutral points in the magnetic field. 7.4 Place the magnet in the magnetic meridian. 7.5 Locate the poles by taking at least three reading in each and of the

magnet with the help of a compass needle . 8 Show skill in the uses of hand tools, wires and cables.

8.1 List the hand tools used in electrical wiring. 8.2 Identify the hand tools used in electrical wiring. 8.3 Draw neat sketches of hand tools used in electrical wiring. 8.4 Identify different types of wires and cables. 8.5 Measure the diameter of the identified wire and cables using standard

wire gauge. 9 Show skill in making a duplex joint and a T-joint.

22

9.1 Sketch a duplex joint and a T-Joint. 9.2 Perform skinning and scraping of two pieces of PVC duplex cable and

two pieces of simplex PVC cables. 9.3 Make the joints according to sketches. 9.4 Write a report. 10 Show skill in preparing wring circuit of two lamps controlled from two

points separately. 10.1 Sketch a working circuit of two lamps controlled from two points

separately. 10.2 Make the wiring circuit using required materials and equipment on a

wiring board. 10.3 Test the connection of circuit by providing proper supply. 11 Show skill in preparing wiring circuit of one lamp controlled from two

points. 11.1 Sketch a working diagram of one lamp controlled by two SPDT tumbler

switches. 11.2 Complete the wiring circuit using required materials and equipment on

wiring board. 11.3 Test the connection of circuit by providing proper supply. 12 Show skill in preparing wiring circuit of one bell with two indicating lamp

controlled from two points. 12.1 Sketch the working diagram of one bell with two indicating lamps

controlled by two push button switch. 12.2 Make the wiring circuit using required materials and equipment in wiring

board. 12.3 Test the connection of circuit by providing proper supply. 13 Show skill in preparing wiring circuit of a fluorescent tube light. 13.1 Sketch a working diagram of a fluorescent tube light circuit. 13.2 Make the connection of a fluorescent tube light circuit using required

materials and equipment. 13.3 Test the connection of the circuit by providing supply.

23

REFERENCE BOOKS 1 A text book of Electrical Technology

⎯ B. L. Theraja 2 Basic Electricity

⎯ Charles W Ryan 3 Basic Electrical theory and Practice

⎯ E. B. Babler

24

3014 BASIC WORKSHOP PRACTICE T P C 0 3 1

AIMS • To provide ability to perform different metal and fitting works. • To provide basic skill in making different welding joints. • To enable in taking care of fitting and welding tools and equipment. SHORT DESCRIPTION Safety; Common hand tools and measuring instruments; Machines and equipment; Bench work; Grinders and abrasives; Fitting and assembly; Welding. DETAIL DESCRIPTION 1 Demonstrate the application of basic metal working hand tools.

1.1 Identify common hand tools required for metal and fitting works. 1.2 Check hand tools for sharpness. 1.3 Carry out minor maintenance and sharpening of tools for fitting works. 1.4 Observe safe procedures when working in the fitting shop.

2 Demonstrate the application of measuring and laying out tools & instruments for bench works. 2.1 Identify the measuring and laying out tools. 2.2 Measure with vernier caliper and micrometer. 2.3 Lay out a fitting workpiece.

3 Demonstrate the application of machines and equipment for fitting works. 3.1 Identify machines and equipment for specific use. 3.2 Perform maintenance of machines and equipment used in the fitting

shop. 4 Show skill in sawing, chipping, filing, drilling, reaming and threading.

4.1 Identify the operations of sawing, chipping, filing, drilling and reaming. 4.2 Perform sawing, chipping, filing, drilling and reaming operations. 4.3 Make a job involving sawing, chipping and filing operations (hinge, angle

gauge, etc.) 4.4 Cut internal and external threads with tap and die. 4.5 Observe safe procedures in sawing, chipping, filing, drilling, reaming

and threading. 5 Show skill in working with grinders and abrasives.

5.1 Identify abrasives and grinders. 5.2 Sharpen a chisel using grinder. 5.3 Use wheel dresser. 5.4 Take care of grinders and grinding wheels. 5.5 Follow safe working habits while grinding.

6 Show skill in recognizing different types of fits. 6.1 Identify different types of fits.

25

6.2 Identify tolerance and clearance. 6.3 Check practically fits, tolerance and clearance.

7 Show skill in soldering and brazing. 7.1 Identify soldering and brazing joints. 7.2 Identify soldering and brazing tools and equipment. 7.3 Make soldering and brazing joints. 7.4 Take care during soldering and brazing process.

8 Show skill in arc welding. 8.1 Identify the welding tools and equipment. 8.2 Identify welding terms and symbols. 8.3 Prepare work piece for welding joints. 8.4 Set proper current and voltage for welding. 8.5 Select appropriate electrode. 8.6 Make arc welding joints (lap, butt, tee, corner, etc). 8.7 Follow safe working habits during arc welding process.

9 Show skill in gas welding. 9.1 Identify the equipment, accessories and tools required for gas welding. 9.2 Identify and select appropriate filler rod and flux. 9.3 Identify appropriate welding torch flame for welding. 9.4 Identify appropriate welding torch flame for welding 9.5 Identify carbonizing and oxidizing flames. 9.6 Make gas welding joints (lap, butt, tee, corner, etc). 9.7 Follow safe working habits during gas welding.

10 Show skill in resistance welding. 10.1 Identify the resistance welding machine. 10.2 Identify accessories and tools used for resistance welding. 10.3 Make a resistance welding joint using spot welding machine. 10.4 Follow safe procedures during working with spot welding machine.

REFERENCE BOOKS 4 Basic Sheet Metal Practice

⎯ J. W. Giachino 5 Prathomic Fitting Sikkha

⎯ Hemanta Kumar Bhattacharia 6 Welding Principles for Engineers

⎯ Morris 7 Modern Arch/Gas Welding Practice - Sunil Sarker

26

1411 MATHEMATICS − I T P C 3 3 4

OBJECTIVES • To acquaint the students with the basic terminology of Algebra. • To develop an understanding of complex numbers (J-operator) which are being

used in electrical engineering. • To give an understanding of the binomial expansion. • To enable in using the knowledge of trigonometry in solving problems of

engineering importance. SHORT DESCRIPTION Algebra: Set, Indices, Logarithms, Variation, AP & GP, Polynomials & polynomial

equations, Complex number, Permutation & Combination, Binomial theorem for positive integral Index.

Trigonometry: Trigonometrical ratios of different angles; Ratio of associated angles,

Compound angles, Transformation formulae, multiple angles and Sub-multiple angles.

DETAIL DESCRIPTION Algebra: 1 Apply the concept of set in solving problem.

1.1 Define set, sub-set and universal set. 1.2 Define the different types of number set. 1.3 Define union of set, intersection of set, complement of set, power set,

disjoint set. 1.4 Prove (using Venn diagram) the relation of following types where A, B

and C are any set. i) AU(BUC) = (AUB) I (AUC) ii) (AUB)c = AcIB c iii) (AIB) c = Ac UB c

1.5 Find the number of elements in the union of two sets. 1.6 Solve the problems using above.

2 Apply the laws of indices in solving mathematical problem. 2.1 State the laws of indices. 2.2 Apply the laws of indices to solve the problem. 2.3 Perform algebraic operation on surd. 2.4 Use the scientific calculator in solving the problems of indices.

3 Apply the concept of logarithms.

27

3.1 Define logarithm. 3.2 Prove the following laws of logarithm.

a) aLog (m x n) = aLog m + aLog n

b) aLog ⎟⎠⎞

⎜⎝⎛

nm = aLog m −

aLog n

c) aLog ( )nm = n aLog m d) bLog a X aLog b = 1 e) aLog 1 = O

3.3 Solve problems using 3.2. 3.4 State the difference between Naperion and common logarithms.

4 Understand the concept of AP & GP.

4.1 Define AP and common difference. 4.2 Find last term and sum of n terms, given first term and common difference. 4.3 Define GP and common ratio. 4.4 Find the sum of n terms given first and common ratio.

5 Apply the concept of polynomial in solving the problems.

5.1 Define polynomials and polynomial equation. 5.2 Explain the roots and co-efficient of polynomial equations. 5.3 Find the relation between roots and co-efficient of the polynomial

equations. 5.4 Determine the roots and their nature of quadratic polynomial equations. 5.5 Form the equation when the roots of the quadratic polynomial equations

are given. 5.6 Find the condition of the common roots of quadratic polynomial

equations. 5.7 Solve the problems related to the above.

6 Understand the concept of complex numbers. 6.1 Define complex numbers. 6.2 Perform algebraic operation (addition, subtraction, multiplication,

division, square root) with complex number of the form a+jb. 6.3 Find the cube roots of unity. 6.4 Apply the properties of cube root of unity in solving problems.

7 Apply the concept of permutation .

7.1 Explain permutation. 7.2 Find the number of permutation of n things taken r at a time when,

28

i) things are all different. ii) things are not all different. 7.3 Solve problems of the related to permutation :

8 Apply the concept of combination.

8.1 Explain combination. 8.2 Find the number of combination of n different things taken r at a time. 8.3 Explain rCn , n

n C , 0n C

8.4 Find the number of combination of n things taken r at a time in which p particular things

i) Always occur ii) never occur. 8.5 Establish i) r

n C = rnn C −

ii) rn C + 1r

n C − = r1n C+

8.6 Solve problems related to combination. 9. Apply the concept of binomial theorem for a positive integral index.

9.1 State binomial expression. 9.2 Prove the binomial theorem. 9.3 Find the general term, middle term, equidistant term and term

independent of x. 9.4 Use binomial theorem to find the value of

i) (0.9998) 2 , correct to six places of decimal . ii) (1 + 2 ) 5 − (1− 2 ) 5 9.5 Using scientific calculator to solve the problems of permutation and

combination. Trigonometry : 9 Understand trigonometrical ratios of different angles.

9.1 Define angle. 9.2 Find ratios of 00 , 300, 450, 600, and 900. 9.3 Solve the problems on heights and distances involving the solution of

right-angled triangles.

10 Apply the concept of associated angles. 10.1 Define associated angles. 10.2 Find the sign of trigonometrical function in different quadrants. 10.3 Calculate trigonometrical ratios of any angle. 10.4 Solve the problems using above.

11 Apply the principle of trigonometrical ratios of compound angles.

11.1 Define compound angles.

29

11.2 Establish the following relation geometrically for acute angles. i) sin (A ± B) = sin A cos B ± cos A sin B. ii) cos (A ± B) = cosA cosB ± sinAsinB.

11.3 Deduce formula for tan (A ± B), Cot (A ± B). 11.4 Apply the identities to work out the problems:

i) find the value of sin 75 0, tan 75 0.

ii) show that 315sin75sin15sin75sin

00

00

=−+

iii) if α + β = θ, tanα + tan β = b, cot α+ cot β = a, show that (a − b) = ab cot θ .

12 Apply sum and product formula of trigonometrical ratios.

12.1 Express sum or difference of two sines and cosines as a product and vice-versa .

12.2 Solve problems of the followings types: i) show that, sin 55 o + cos 55O = 2 cos 100

ii) prove that, cos 800 cos 600 cos 400 cos 200 =1

16

13 Apply the concept of ratios of multiple angles. 13.1 State the identities for sin 2A, cos 2A and tan 2A. 13.2 Deduce formula for sin 3A, cos 3A and tan 3A. 13.3 Solve the problems of the followings types.

i) express cos 5θ in terms of cos θ .

ii) if tan α = 2 tan β, show that, tan (α + β) =α+

α2cos31

2sin3

14 Apply the concept of ratios of sub-multiple angles. 14.1 Find mathematically the identities for sin α , cos α and tan α in terms of

3and

2αα

14.2 Solve the problems of the type : find the value of cos 30 , cos 60 , cos 90 , cos 18 0, cos 360, etc.

30

1412 PHYSICS-I T P C 3 3 4

OBJECTIVES • To provide the students a background of basic science i.e. Physics required for

understanding technological subjects. • To develop a working knowledge of common engineering and industrial materials

and to enable to determine through experiments the properties of such materials. • To develop through experiments an understanding of fundamental scientific

concept. • To develop a basic knowledge and concept of physical properties of common

engineering and industrial materials. SHORT DESCRIPTION Units and Measurements; Vector and Scalar quantities; Motion and Equations of motion; Force and Newton’s Laws of motion; Gravity and Gravitation; Simple Harmonic motion; Hydrostatics; Pressure, Density and Specific gravity; Sound : Concepts and nature of sound, Velocity of sound, Resonance, Ultrasonic. DETAIL DESCRIPTION Theory : UNITS AND MEASUREMENTS 1 Understand units and measurements.

1.1 List the fundamental SI units for measuring time, mass, distance, temperature, electricity, light and substance.

1.2 Identify the symbols for fundamental units and some common derived SI units.

1.3 Solve problems on multiples and sub-multiples of SI units of measurement using prefix and symbols.

1.4 Identify the common instruments used to measure fundamental SI units and compare their operation and accuracy.

1.5 Identify suitable accurate measuring instruments for measuring time, mass, distance and temperature in a given situation.

VECTOR AND SCALAR QUANTITIES Understand vector and scalar quantities.

Define vector quantities with examples.

31

Define scalar quantities with examples. Show the various presentations of the vector quantities. Distinguish between vector and scalar quantities. Find the resultant of two vectors in different directions. Define laws of triangle of vector. Solve problems relating to vector and scalar quantities .

MOTION AND EQUATIONS OF MOTION Understand motion and equations of motion.

Define rest and motion. Classify motion. Define displacement, speed, velocity, acceleration and retardation. Explain the units of measurement of speed, velocity, acceleration and

retardation. Deduce the relationship between displacement, velocity, acceleration and

retardation from these definitions. Distinguish between (i) speed and velocity (ii) velocity and acceleration. Solve problems relating to motion and equation of motion.

Understand circular motion Define circular motion. Define angular velocity and linear velocity with their units. Distinguish between angular velocity and linear velocity. Calculate, length = radius × angular distance. Deduce the relation between angular velocity and linear velocity. Define centripetal and centrifugal force with examples.

Prove centrifugal force = r

mv 2

Solve problems relating to circular motion. FORCE AND NEWTON'S LAWS OF MOTION Understand force.

Define force. Define different units of force and their correlation and also mention the

dimension of force. Define different types of action and reaction, which creates different types of

force. State the laws of parallelogram of forces, and calculate the resultant of two

forces acting at a point. Resolve a force into horizontal and vertical components. Define parallel force and a couple. Find out the resultant of parallel forces.

Understand Newton's laws of motion. Define inertia and momentum. State the simple units and dimension of momentum.

32

State and prove the principles of conservation of momentum. State Newton’s laws of motion. Verify the principle of conservation of momentum. Prove P=mf, from Newton's 2nd law of motion. Solve problems relating to Newton’s laws of motion.

GRAVITY AND GRAVITATION Understand gravity and gravitation.

Define and explain the Kepler's Law. Define gravity and gravitation. State the laws of gravity and gravitation. Define and determine the gravitational constant (G) and also mention its units

and dimension. Define acceleration due to gravity 'g' and also mention its units and dimension. Discuss the variation of 'g' at different places. Define mass and weight with their units and dimension. Distinguish between mass and weight. State and explain the laws of falling bodies and mention the equation of motion

of a body when it is projected vertically upwards or downwards. Solve problems relating to gravity and gravitation.

SIMPLE HARMONIC MOTION (SHM) Understand simple harmonic motion.

Define simple harmonic motion (SHM). State the characteristics of SHM. Describe a simple pendulum and a second pendulum. Define effective length, amplitude, phase, complete oscillation, period of

oscillation, frequency. State and explain the laws of simple pendulum. Describe a compound pendulum. Discuss the conditions under which a pendulum clock will go slow or fast. Draw L − T2 graph and calculate the value of 'g' for a specific effective length. Solve problems relating to simple harmonic motion.

WORK, POWER AND ENERGY Understand work, power and energy.

Define work, power and energy. State the units and dimensions of work, power and energy. State and prove the principle of the conservation of energy. Define potential energy ( PE ) and kinetic energy ( KE ). . Derive the equation of potential and kinetic energy. Show that the K.E. gained by a falling body is equal to the P.E. lost by the

body. Describe transformation of energy and mention the mass-energy relation.

33

Recognize that the useful work can be found from:

efficiency = workinputworkoutput

× 100.

Solve problems relating to work, power and energy. ELASTICITY Understand the concept of elasticity.

Name some of the general and special properties of matter. Define Elasticity and Elastic limit. Define perfectly elastic body and perfectly rigid body. Define stress and strain with their units and dimensions. State and explain the Hook’s law. Describe various kinds of modulus of elasticity. Mention the units and dimensions of modulus of elasticity. Define Poisson’s ratio and determine the Young’s modulus of elasticity by

Searles method. Solve problems relating to elasticity.

FRICTION Understand Friction

Define friction. Describe the different kinds of friction. Define the laws of static friction. Define the co-efficient of static friction. Describe the angle of static friction and angle of repose. Describe the laws of kinetic friction. State the co-efficient and angle of kinetic friction. Show that the co-efficient of static friction is equal to the tangent of angle of

repose. Describe an experiment to determine the co-efficient of static friction. State the merits and demerits of friction. Solve problems relating to friction.

HYDROSTATICS Understand behavior of fluids.

Define pressure as force per unit area and state that it is measured in N/m2 or Pa (Pascal).

State characteristics of liquid pressure. Establish that pressure at a point in a fluid is dependent upon the density of the

fluid, the depths in the fluid and acceleration due to gravity. Calculate the magnitude of pressure at a point within a fluid. Identify that the pressure at a point on an immersed surface in a fluid is not

dependent upon the area of the surface or the volume of fluid. Calculate fluid pressure in different liquids at different depths in cylinders of

different diameters.

34

Solve problems relating to hydrostatics. DENSITY AND SPECIFIC GRAVITY Understand density and specific gravity

State and prove Archimede's Principle. Define density and specific gravity. State the units of density and specific gravity. Distinguish between specific gravity and density. Show that in S.I. system the density is thousand times greater than its specific

gravity. Establish the density of water at different temperatures. Find out specific gravity of solids and liquids. Solve problems relating to density and specific gravity.

SOUND Understand nature and behavior of sound.

Identify that sound is produced by vibration and travels through a medium as a longitudinal wave.

Distinguish between the production and behavior of longitudinal and transverse waves.

Recognize that sound can be produced of different pitches (frequencies) & that the human ear has an audible frequency range covering approximately 20 Hz to 20 KHz.

State the approximate frequency range for a. infrasonic sound b. ultrasonic (supersonic) sound.

Explain how sound is absorbed, reflected & refracted by different types of surface.

Describe the practical uses of echo sounding devices. Define velocity of sound. State the velocity of sound at NTP in still air. Compare the effects of pressure, temperature & humidity on the velocity of

sound in air. PRACTICAL Observations and Measurements 1. Determine accurate diameter/side of an object using vernier calipers. 2. Measure the diameter of a wire by micrometer screw gage. 3. Measure the thickness of a glass plate by spherometer. 4. Verify the law of parallelogram of forces by a force board. 5. Verify the Newton's 2nd law of motion. 6. Determine the value of 'g' by using a simple pendulum. 7. Determine the coefficient of static friction. 8. Verify Hook’s law. 9. Determine Young’s modulus of a steel wire by Searle’s apparatus. 10. Verify Archimedes principle.

35

11. Determine gravity of a solid heavier than and insoluble in water by hydrostatic balance.

12. Determine specific gravity of a solid lighter than & insoluble in water by hydrostatic balance.

13. Determine specific gravity of a liquid by specific gravity bottle. 14. Determine velocity of sound by resonance air column method.

36

1111 BANGLA − I T P C 2 0 2

D‡Ïk¨

1| gvZ…fvlv wn‡m‡e evsjvi cÖK…wZ I ˆewkó¨ m¤ú‡K© aviYv jvf| 2| fvlv `¶Zvmgy‡ni (Language skills) cÖv‡qvwMK †hvM¨Zv AR©b|

msw¶ß weeiYx fvlvi cÖK…wZ I ˆewkó¨; fvlvi ˆkj Dcv`vb; evsjv fvlvixwZi wewfbœZv; evbvbNwUZ mgm¨v; aŸwb cÖKiY; fvlvi aŸwbMÖvn¨ iƒc − †kvbv I ejv; fvlvi `„wóMvn¨ iƒc − cov I †jLv| wek` weeiYx 1 fvlvi cÖK…wZ I ˆewkó¨

1.1 mgvR e܇bi cÖ_g I cÖavb m~Î wn‡m‡e fvlv 1.2 kvixi Dcv`vb I g‡bvRvMwZK Pvwn`v 1.3 Rxe‡bi weKvk I ˆewPΨ 1.4 mgvR mf¨Zv I ms „‹wZi AMÖhvÎv

2 fvlvi ˆkj Dcv`vb m¤úwK©Z Ávb I e¨envwiK KzkjZv 2.1 aŸwb I eY© 2.2 aŸwb DcKiY, evKcÖZ¨½ I D”PviYixwZ 2.3 aŸwb ms‡hvM I aŸwb cwieZ©b 2.4 kã I c`, k‡ãi MVb ‡KŠkj 2.5 mgv_©K kã, cÖwZkã, wecixZ kã I AwZ e¨eüZ kã 2.6 k‡ãi e¨envi t h_v_© kã I k‡ãi h_v_© e¨envi, kãcÖxwZ I cwiwgwZ †eva 2.7 kãcuywR t e¨envwiK ˆewkó¨ I ˆewPÎ, cÖwZ w`‡bi kã, cwiwPZ kã , cÖwgZ kã, welqvbyM kã,

cvwifvwlK kã| 2.8 evK¨ t aŸwb I k‡ãi mw¤§jb 2.9 c`web¨vm t ev‡K¨ k‡ãi Ae¯’vb, ev‡K¨ k‡ãi wewkóv_© I e¨Äbv 2.10 fvj evK¨ t m¤¢ve¨ µwU I åvwšÍ, k~b¨Mf© evK¨, cybi“w³ I cybive„wË cwinvi, ev‡K¨i cwimi − †QvU I `xN©

evK¨ 2.11 fve/welqe ‘i cÖ‡qvR‡b ev‡K¨i web¨vm

3 evsjv fvlvixwZi wewfbœZv I ˆewPÎ

3.1 AvÂwjK fvlvixwZ t kã m¤ú` I cÖvYkw³ 3.2 mvay fvlvixwZ t kã I e¨envwiK ˆewkó¨ (we`¨vmvMi, ew¼g P›`ª I iex›`ªbv_ VvKz‡ii iPbv †_‡K

bgybv) 3.3 PwjZ fvlvixwZ t e¨envwiK ˆewkó¨ I ˆewPÎ − c`µg, kã e¨envi, kã ms‡KvPb (me©bvg I

wµqvc`), cÖengvbZv I cÖvYkw³ (iex›`ªbv_, cÖg_ †PŠayix, eyׇ`e emy, ˆmq` gyRZev Avjx, KvRx Ave`yj I y` cÖgyL †jL‡Ki iPbv †_‡K bgybv)

37

4 evbvb NwUZ mgm¨v I evbvb fz‡ji cÖeYZv

4.1 evsjv eY©gvjv t mwVK eY©iƒc I MVb †KŠkj 4.2 evsjv evbvbixwZ 4.3 mgm¨v t evbvb I D”PviY, AvÂwjKZv, civbyKiY, nxbgb¨Zv

5 aŸwb cÖKiY I aŸwbi D”PviY

5.1 e¨Äb aŸwb t eM©xq aŸwbi D”PviY ’vb

6 fvlvi aŸwbMÖvn¨ iƒc t †kvbv I ejv

6.1 K‡_vcK_b, Av‡jvPbv 6.2 e³…Zv I weZK© 6.3 Mí ejv 6.4 NUbv eY©b I cÖwZ‡e`b Dc ’vcb 6.5 †gŠwLK Dc¯’vc‡b DÏxc‡Ki ˆewPÎ (Stimulus Variation )- k¦vmvNvZ, ¯^iZi½, gxo, ¯^i, ¯^vfvweK

MwZ I ¯^ifw½| 6.6 †gŠwLK Dc¯’vcb I `k©b-mvgMÖxi mgwš^Z iƒc 6.7 cwiwgwZ‡eva, cÖm½všÍi I cÖ‡¶cYixwZ, kvwšÍ Dw³ I im‡eva

7 fvlvi `„wóMÖvn¨ iƒc t cov

7.1 kªeY †hvM¨Zv, ï×Zv I ¯úóZv 7.2 gyw`ªZ mvgMÖxi A_©‡evaKZv t eB-cy¯ÍK, cÎ-cwÎKv, weÁvcb, ms‡KZ I wb‡`©k 7.3 bxie cVb I gb Abyaveb Ges ms‡hvwRZ I m¤cÖmvwiZ Dc¯’vcb 7.4 wPwVcÎ, `iLv¯Í I `wjj cvV

8 fvlvi `„wóMÖvn¨ iƒct †jLv

8.1 †jLvi ˆewkó¨ t ¯úó I cwi”Qbœ †jLv ( cVb †hvM¨Zv ). wbfz©jZv (ï× evbvb I evK¨ MVb). MwZ I ¯^vPQ›`¨ - Uvbv †jLv . UvBc †jLv , mgZv I `~iZ¡

8.2 n¯Ív¶‡ii MVb ‰ewPÎ (Calligraphy) 8.3 cÖKvk¶gZvi gva¨g wn‡m‡e †jLv t evK¨ MVb; Aby‡”Q` iPbv, cÖeÜ iPbv-we‡kl e³e¨ I Dc ’vc‡b

cÖwZ‡e`b (m~Pbv, ga¨fvM I Dcmsnvi) Gi Lmov cÖ¯‘Z I PzovšÍKiY; mvivsk wjLb; kÖ“Z wjLb I †bvU MÖnY; fve ms‡KvPb I m¤cÖmviY ; †NvlYv I weÁwß cÖ`vb ; cvVK‡K AvK…ó I DÏxwcZ Kiv (Persuading the readers)

38

1112 ENGLISH – I T P C 2 0 2

Objectives : After the completion of the course, learners will be able to develop- ∗ Listening with understanding ∗ The fluency of speech ∗ Reading with understanding

∗ Grammatical accuracy with emphasis on spelling & punctuation ∗ Creative writing

∗ Transferring information ∗ Communicating effectively

CONTENTS Seen comprehension

Unit Lesson Title 1 Learning a language 2 Why learn English

Three: Learning English

3 How to learn English 1 The environment and the ecosystem 2 How the environment is polluted

Six: Our Environment

7 How to manage waste 4 Erosion Seven:

Disasters we live with 5 The shake and the quake 2 Waste not, want not Eight:

Towards Social Awareness 3 Isn’t it too loud! Ten:

Entertainment 4 Entertainment through the ages

Twelve: Personalities

4 The man behind the Shaheed Minar

N.B: The Unit mentioned refers to the Text Book (1st Paper) English for Today for class 11 – 12 by National Curriculum & Text Book Board, Dhaka. GRAMMAR & COMPOSITION 1. Use of Parts of speech ; Articles; Phrasal verbs; Voice; Tense; Agreement of verbs with the subject 2. Sentence : a) Phrases and Clauses & Sentence structure (Assertive, Interrogetive, Optative, Imperative, Exclametory, Simple, Complex and Compound)

39

b) question making: WH, Yes/No, Tag question 3. Verbs: a) Classification of verbs - Auxiliary/modal, principal, transitive, intransitive, causative b) Right form of vervs with indicators 5. Enriching vocabulary: synonyms, Antonyms, Homophones & Homonyms 6. Changing parts of speech & uses of suffix and prefix Guided Writing Writing a guided paragraph with questions.

40

1113 SOCIAL SCIENCE − I T P C (CIVICS) 2 0 2

OBJECTIVES To provide opportunity to acquire knowledge and understanding on : - importance of civics and its relationship with other social sciences - the relationship of an individual with other individuals in a society - social organizations, state and government - rule of law , public opinion and political parties - UNO and its roles - war of liberation and corporate patriotism for securing a position of dignity in

the community of nations. SHORT DESCRIPTION Civics and Social sciences; Individual and Society ; Nation and Nationality; Citizenship; State and Government ; Law; Constitution; Government and its organs; Public Opinion; Political Party; UNO and its organs; War of Liberation – Bangladesh. DETAIL DESCRIPTION CIVICS AND SOCIAL SCIENCES Understand the meaning and scope of Civics.

1.1 State the meaning and scope of Civics 1.2 State the major disciplines belonging to social sciences and their scopes 1.3 Explain the importance of Civics in the personal and social life of an

individual. Understand the relationship of Civics with the major disciplines of Social

Sciences. State the relationship of civics with Political Science. State the relationship of Civics with Economics. Explain the relationship of Civics with Sociology. Discuss the relationship of Civics with Ethics.

INDIVIDUAL AND SOCIETY Appreciate the relationship of the individual with the society

Identify the position of an individual in his/her family and immediate community. State the mode of formation of a society with individuals and their social and

economic activities. Define society as an essential institution for human survival. State the relationship among the individuals in the society.

41

NATION AND NATIONALITY Appreciate the concepts of nationality and nation.

discuss the term , “ nation” Explain the meaning of nationality. Differentiate between nation and nationality. Name the elements of nationality. Explain the criteria of Bangladesh nationalism.

CITIZENSHIP Understand the rights and duties of a citizen.

Describe the meaning of citizenship. Differentiate between a citizen and an alien. Discuss the methods of acquiring citizenship. State the causes of losing citizenship. Describe the rights of a citizen. State the need for developing good citizenship.

STATE AND GOVERNMENT Appreciate the relationship between the state and government.

Explain the meaning of state. Discuss the elements of state. Define government . Differentiate between state and government. Discuss the relationship between state and government.

RULE OF LAW Understand the concept of rule of law.

Define law Discuss the rule of law. State the sources of law.

CONSTITUTION Understand the classification of constitution.

Explain the different forms of constitution. Explain the merits and demerits of different forms of constitution. State the salient features of Bangladesh constitution.

FORMS OF GOVERNMENT Understand the forms and organs of government.

Discuss the modern classification of the forms of government. Explain the democratic form of government. Distinguish between cabinet form of government and presidential form of

government. Differentiate between unitary form of government and federal form of

government. Describe the main organs of government. State the functions of legislature , executive and judiciary.

42

PUBLIC OPINION AND POLITICAL PARTIES Understand the importance of the formation of public opinion.

Define public opinion. Explain the importance of public opinion in the modern democratic society. Discuss the role of different media in forming public opinion.

Understand the role of political parties in the affairs of state and government. Define a political party. Discuss the importance of political parties in democracy. Describe the functions of political parties. Enumerate the merits and demerits of party system.

UNITED NATIONS ORGANIZATION (UNO) Understand the role of UNO in maintaining world peace.

Explain the major functions of UNO. State the composition and functions of General Assembly. Describe the composition and functions of Security Council. Discuss the functions of other organizations and specialized agencies of UNO. Discuss the role of Bangladesh in the UNO.

WAR OF LIBERATION – BANGLADESH Appreciate the events of the war of liberation of Bangladesh and the roles of

martyrs and freedom fighters. Describe ‘52 Language Movement in the background of prevailing social,

cultural and political conditions. State the major events leading to movement for autonomy for East Pakistan. Describe the major events leading to holding for general election in 1970. Describe the events leading to war of liberation and achievement of

independence of Bangladesh. Discuss the need for patriotism for upholding the ideals of martyrs and the spirit

of nationalism.

43

4-YEAR DIPLOMA-IN-ENGINEERING PROGRAM

ENVIRONMENTAL TECHNOLOGY

SYLLABUS

SECOND SEMESTER

44

5021 ECOLOGICAL SYSTEMS AND THE ENVIRONMENT T P C 2 0 2

AIMS • To be able to understand the basic concept of ecological systems and the

environment. • To be able to understand ecology, eco-systems, interdependence of organism,

ecological factors, topographic factors of environmental complex, abiotic factors of environmental complex, ecological adaptations, biotic factors, autecology of species, ecological concepts of species and individuals, population ecology, community ecology, ecological succession, ecosystem- ecology, atmospheric cycles, major ecosystems, productivity of different eco-systems, biogeography. Wild life management in Bangladesh and bioremediation an emerging biotechnology for environmental clean up.

• To be able to understand the wild life management in Bangladesh and bioremediation for environmental clean-up.

SHORT DESCRIPTION Ecology and eco-systems, Interdependency of organisms; Climatic, topographic, edaphic and biotic factors of ecology; Interactions of ecological factors; Topographic and edaphic factors of environmental complex; Soil plant atmosphere continum (SPAC) and ecological adoption; Biotic factor of ecological complex and autecology of species; Population ecology; Community ecology; Ecological succession; Ecosystem ecology; Atmospheric cycles and major echosystem; Productivity of different ecosystems; System ecologys, ecosystem modeling and havital technology; Biogeography; Wild life management in Bangladesh; Bioremediation. DETAIL DESCRIPTION 1 Understand the basic concept of ecology and eco system.

1.1 Describe the meaning of the term ecology. 1.2 Describe eco-systems. 1.3 Describe the meaning of the following ecological terms:

Marine ecology; Fresh water ecology; Terrestrial ecology; Eco- system ecology; Conservation ecology; Radiation ecology; Taxonomic ecology; Biosphere; Ecological succession; Ecological niche; Ecohological efficiency; Ecological indicator; Ecological equivalent; Ecological energetics; Ecotone; Ecotype; Ecophene; Biological clock; Food chain; Food web; Food pyramid; Trophic level; Biome; Biomass; Biological magnification; Bioconcentration; Limiting factors of ecosystem; Biogeochemical cycle; Biotic-community; Climax community; Community periodicity; hydrosere, xerosere; mesosere, lithosere; lentic

45

habitat, lotic habitat, plakton; nektor; CFC, Eutrophication; autecology, synecology, population ecology, community ecology and eco-system ecology.

2 Understand the basic concept of interdependence of organisms. 2.1 Describe the environment of a pond. 2.2 Describe interdependency of organisms. 2.3 Describe the biotic and abiotic components of eco system.

3 Understand the climatic, toppgraphic, edaphic and biotic factors of ecology. 3.1 List the various ecological factors of environmental complex. 3.2 Mention the climatic or aerial factors of environmental complex. 3.3 Mention the topographic or physiographic factors of environmental

complex. 3.4 Mention the edaphic factors of environmental complex. 3.5 Describe biotic factors of environmental complex.

4 Understand the interaction of ecological factors. 4.1 Draw the diagram of interaction of ecological factors. 4.2 Describe the function of light on ecology. 4.3 Describe the function of temperature on ecology. 4.4 Describe the function of precipitation (rainfall) on ecology. 4.5 Describe the effects of humidity of air on ecology. 4.6 Describe the effect of atmospheric gases and wind on ecology. 4.7 Describe the effect of fire on ecology.

5 Understand the soil plant atmosphere continuum (SPAC) and ecological adaptations. 5.1 Describe the form of water in nature. 5.2 Describe soil plant atmosphere continuum (SPAC). 5.3 Describe ecological groups of plants. 5.4 Describe ecological adaptations in hydrophyte. 5.5 Describe ecological adaptations in xerophytes. 5.6 Describe ecological adaptations in animals.

6 Understand the community ecology. 6.1 Define community and community ecology. 6.2 Describe the characteristics of a community. 6.3 Describe the composition of a community. 6.4 Describe the structure of a community. 6.5 Describe the characteristics used in community structure. 6.6 Describe the methods of studying of communities. 6.7 Describe the classification of community. 6.8 Describe the unit of vegetation.

7 Understand the ecosystem ecology. 7.1 Describe ecological system.

46

7.2 Describe ecosystem ecology. 7.3 Describe different types of ecosystems. 7.4 Describe the structure of ecosystem. 7.5 Describe the functional aspects of an ecosystem. 7.6 Describe the food chain in ecosystems. 7.7 Describe food webs in eco-system. 7.8 Describe ecological energetics. 7.9 Describe energy flow in ecosystem.

8 Understand the atmospheric cycles and major ecosystems. 8.1 Describe nutrient cycles in ecosystem. 8.2 Describe hydrological cycle. 8.3 Describe carbon cycle. 8.4 Describe nitrogen cycle. 8.5 Describe cycle of mineral elements. 8.6 Describe the cycles of micronutrients.

9 Understand the biogeography. 9.1 Define biogeography, phytogeography and zoo geography. 9.2 Describe major plant communities of the world. 9.3 Describe phytogeographic regions (Vegetational belts) of the world. 9.4 Describe soil, climates, flora and vegetation of Bangladesh. 9.5 Describe the floristic (botanical) region of Bangladesh. 9.6 Describe zoogeographic regions of the world.

10 Understand the wild life management in Bangladesh. 10.1 Define wild life. 10.2 Describe the wild life of Bangladesh. 10.3 Describe endangered flora and fauna of Bangladesh. 10.4 Describe wild life management in Bangladesh. 10.5 Describe conservation of biological diversity in Bangladesh. 10.6 Describe the eco-parks and sanctuaries of Bangladesh.

47

REFERENCE BOOKS 1. Ecology and Environment -P. D. Sharma.

2. Environmental Science – Nebal & Wright.

3. Environmental Science. – Turk and Turk

4. Ecological System and the Environment – Theodore C. Foin Jr.

5. cÖvYx cwi‡ek ZË¡ - †K Gg AvIi½ †Re

6. cwi‡ek I `~lY - †MŠZg cvj

7. cÖv_wgK cwi‡ek RxeweÁvb - Wt Av‡bvqviyj Bmjvg

8. gvbyl I cwi‡ek - G †K Gg †iRvDj nK

48

5022 ENVIRIONMENTAL SURVEYING T P C 2 3 3 AIMS • To be able to understand the shape of the earth and the effect of earth’s

curvature on a horizontal and vertical distances. • To be able to understand geodesic coordinates, azimuth and bearings. • To be able to use of surveying instruments and accessories. • To be able to conduct different surveying work and • To be able to understand survey of underground working. SHORT DESCRIPTION Earth and earth surface and surveying; Distance measuring instruments; Making points and ranging of lines; Errors and mistakes in chaining; Concept of leveling; Various aspects of leveling; Classification of leveling; Contouring; Application of contour maps; Fundamentals of theodolite; Application of trigonometrical levelling by theodolite; Traversing by theodolite; Tachometric surveying. DETAIL DESCRIPTION Theory: 1 Understand the earth, earth surface and surveying.

1.1 Define the followings: (i) Sphere (ii) Plane (iii) Spherical angle (iv) Plane angle

1.2 Describe the earth’s surface on a sphere and plane identifying different terms.

1.3 Explain the effects of the earth’s curvature on a horizontal and vertical distance.

1.4 Distinguish between map and plan. 1.5 Discuss the classification of surveying based on the shape of earth,

nature of field, object of surveying and instrument employed. 1.6 Distinguish between geodetic survey and plane survey.

2 Understand the distance measuring instruments. 2.1 List the instruments used in measuring distance. 2.2 Explain different kinds of chain commonly used in surveying stating the

special advantages of each. 2.3 Explain how a chain is tested and adjusted. 2.4 Describe the instruments used for measuring distances approximately.

49

2.5 Explain different types of tape used to measure distance. 2.6 Describe the instruments used for making stations. 2.7 Explain the following terms:

(i) Hypotenusal allowance. (ii) White (iii) Laths (iv) Inver tape (v) Drop arrow

3 Understand making points and ranging of lines. 3.1 Describe the methods of locating a point. 3.2 Explain ranging out survey lines. 3.3 Describe different kinds of ranging. 3.4 Explain the methods of chaining. 3.5 Describe the process of ranging a chain line between two points which

are not inter visible. 3.6 Describe with sketch the various methods of chaining on sloping

grounds stating the advantages of each. 4 Understand error and mistakes in chaining.

4.1 List the error in chaining. 4.2 Identify the causes for which a chain may be too-long or too-short. 4.3 Find the correct distance and correct area from measured distance and

measured area when chain was too-long or too-short. 4.4 Explain cumulative and compensating errors with causes of those

errors. 4.5 List the mistakes in chaining. 4.6 List the name of necessary corrections to be applied to the measured

length of line in order to obtain its true length. 4.7 Explain the formula for correction of tapes for absolute length, variation

of temperature, variation of pull, sag and slope. 4.8 Find correct length of chain line after necessary correction due to

variation of pull, sag and slope. 4.9 Explain normal tension.

5 Understand the concept of leveling. 5.1 Explain the following terms in leveling:

(i) level surface (ii) level line (iii) horizontal line (iv) horizontal surface (v) vertical plane (vi) vertical line (vii) datum surface (viii) datum (ix) deduced level

50

(x) formation level 5.2 Compare GTS, Permanent, Arbitrary and Temporary bench mark. 5.3 List the equipment and accessories required for leveling. 5.4 Explain the following terms related to level:

(i) line of collimation (ii) axis of telescope (iii) axis of bubble tube (iv) vertical axis (v) height of instrument (vi) plane of collimatin (vii) focusing (viii) parallax

5.5 Mention different steps of temporary adjustment of leveling instrument. 5.6 Describe the procedure of permanent adjustments and rectifying the

various defects in adjustment of dumpy level, tilting level and auto set. instruments.

5.7 Solve problems on permanent adjustment of level. 6 Understand the various aspects of leveling.

6.1 Explain the meaning of following terms as used in leveling: (i) Back sight, Fore sight and Intermediate sight. (ii) Change point (iii) Station point

6.2 Mention the procedure of taking staff reading. 6.3 Describe the procedure of leveling work. 6.4 Explain the procedure of booking of staff reading into level book. 6.5 Compare different methods of reduction of leveling. 6.6 Solve problems on calculation of missing data of old level book.

7 Understand the classification of leveling. 7.1 List different kinds of leveling. 7.2 Describe the procedure of:

(i) Fly leveling (ii) Profile leveling (iii) Cross-sectioning (iv) Reciprocal leveling.

7.3 Solve problems on: (i) Fly leveling (ii) Profile leveling (iii) Cross sectioning (iv) Receprocal leveling

7.4 Explain various elements of longitudinal section and cross section of leveling works.

7.5 Find longitudinal and cross profile from given data. 7.6 Describe the procedure of leveling in the following cases:

51

(i) Ascending and descending a hill. (ii) Staff too near the level (iii) Staff too long or too high (iv) Staff stations above the line of collimation. (v) Wall on the alignment.

7.7 Explain the terms: (i) Error in leveling (ii) Mistake in leveling (iii) Visible horizon (iv) Dip of the horizon

7.8 Explain the effects of earth’s curvature and refraction of light on leveling. 7.9 Solve problems on:

(i) Error due to curvature and refraction (ii) Visible and dip of horizon

8 Understand the aspects of contouring. 8.1 Explain the terms contour, contouring, horizontal equivalent and vertical

interval. 8.2 Mention the characteristics of contour. 8.3 List the uses of contour. 8.4 Describe different methods of contouring (direct method and indirect

method). 8.5 Describe the procedure of different methods of contouring. 8.6 Explain interpolation of contour by estimation method only. 8.7 Describe the procedure of drawing contour map. 8.8 Draw contour maps.

9 Understand the application of contour maps. 9.1 Outline various uses of contour map. 9.2 Describe the procedure of locating the proposed route for a road, canal

and drainage work. 9.3 Find the capacity of reservoir using contour map. 9.4 Find the quantity of earth in cutting and filling by using contour map.

10 Understand the fundamentals of theodolite. 10.1 Mention the function of different parts of a transit theodolite. 10.2 Explain the terms:

(i) telescope normal (ii) telescope inverted (iii) face left (iv) face right (v) spherical aberration (vi) chromatic aberration (vii) centering and (viii) transiting

10.3 Describe different steps of temporary adjustment of theodolite.

52

10.4 Mention the techniques of permanent adjustment of theodolite. 10.5 State the principle of taking reading on a vernier scale.

11 Understand the application of trigonometrical leveling by theodolite. 11.1 Explain the basic principles of trigonometrical leveling. 11.2 Define terms:

(i) Geodetic co-ordinate (ii) Azimuths (iii) Grid Azimuths (iv) Bearings

11.3 Mention the procedure of measuring. (i) horizontal angle (ii) vertical angle (iii) magnetic bearing of a line (iv) true bearing of a line by observing pole star.

11.4 Express the deduction of the formula for measuring height and horizontal distance when the object is inaccessible in the case of object and the station are in different vertical plane and in different levels.

11.5 Solve problems on finding heights and distances. 12 Understand traversing by theodolite.

12.1 List the field works in theodolite traversing. 12.2 Describe the traversing by methods of:

(i) included angles and (ii) direct angles

12.3 Find the bearing from angles of traverse. 12.4 Complete the co-ordinates of a traverse. 12.5 Balance the closed traverse. 12.6 Calculate the length and bearing of a missing side and any included

angle of a traverse. 12.7 Compare the area of closed traverse by co-ordinate, latitude and double

meridian, departure and total latitude methods. 12.8 List the common errors and mistakes in theodolite work. 12.9 Explain the way to avoid errors and mistakes in theodolite.

13 Understand the tachometric surveying. 13.1 List the instruments required for stadia surveying. 13.2 Express the derivation of the formula based on the principle of stadia

surveying. 13.3 Explain the method of determining the tachometric constant. 13.4 Describe angular tachometry. 13.5 Mention the procedure of stadia surveying. 13.6 Solve problems on stadia surveying.

Practical: 1 Perform the measurement of a line.

1.1 Collect the instruments and accessories.

53

1.2 Select and mark the end station of the line. 1.3 Range out of survey line. 1.4 Perform chaining a line. 1.5 Observe the degree of accuracy in chaining. 1.6 Correct the errors in chaining. 1.7 Measure the line by chain with proper ranging out of the line. 1.8 Measure the line by tape with proper ranging out of the line.

2 Perform the settling of perpendicular. 2.1 Collect instruments and accessories. 2.2 Set perpendicular at any point by optical square. 2.3 Set perpendicular at any point by chain and tape.

3 Perform the setting of parallel line with chain and tape. 3.1 Collect instruments and accessories. 3.2 Fix two points on the main chain line. 3.3 Make perpendicular on the points. 3.4 Measure equal distance to those lines. 3.5 Fix parallel line.

4 Perform the measurement of distance along chain line across obstacles (river or pond). 4.1 Collect required instruments and accessories. 4.2 Perform ranging out of line. 4.3 Fix the ranging rods forming two similar triangles. 4.4 Measure the side of the triangle on the shore.

5 Perform the measurement of distance between two points obstructed by hill or ridge. 5.1 Collect required instruments and accessories. 5.2 Fix intermediate ranging pole between tow points. 5.3 Make all the ranging rods in one line. 5.4 Measure the distance by stepping method.

6 Perform temporary adjustment of level. 6.1 Collect required instruments and accessories. 6.2 Fix the instrument on the tripod. 6.3 Adjust the legs o the tripod. 6.4 Level up the instrument using foot screws. 6.5 Focus the eye-piece and the object glass to eliminate parallax.

7 Perform the permanent adjustment of level. 7.1 Collect required instruments and accessories. 7.2 Set up the level on firm ground and level it. 7.3 Make the axis of the bubble tube perpendicular to the vertical axis. 7.4 Make the line collimation parallel to the axis of the bubble tube by two-

peg method. 8 Perform the profile leveling and plotting the level sections.

8.1 Collect required instruments and accessories.

54

8.2 Set up the level on firm ground and level it. 8.3 Take a back sight on the bech mark and then proceed on taking

foresight and back sight on the staff. 8.4 Enter the readings in the level book. 8.5 Plot the profile according to reduced level.

9 Conduct contruring by direct method over a low lying / elevated area, prepare

contour map and calculate the quantity of earth worth in filling / cutting. 10 Perform the determination of height and distance of a tower using a

theodolite. 10.1 Collect required instruments and accessories. 10.2 Choose a tower for the height of which is to be determined. 10.3 Set up the theodolite on firm ground and level it. 10.4 Take the angular reading on the top of the tower. 10.5 Calculate height and distance of the tower.

11 Determine horizontal and vertical distance with tachometer. 12 Determine horizontal and vertical distance with EDM. 13 Lay the centerline of a tunnel on site. 14 Set the center line down form the vertical shaft. 15 Transfer the levels to underground. 16 A field survery of two weeks is to be done by the students to prepare an

underground plan of mine. REFERENCE BOOKS 1. Surveying and Leveling

– T. P. Kanetker 2. Surveying

– Norman Thomas 3. Surveying

– Aziz and Shahjahan 4. Surveying – P. B. Shahani

55

5023 ENVIRONMENTAL ENGINEERING HYDROLOGY T P C 2 0 2 AIMS • To be able to understand the basic concept of environmental engineering hydrology • To be able to understand hydrologic cycle, hydrometrology, precipitation, stream

flow measurement, evaporation, evapotraspiration, infitration, rainfall runoff relation, hydrograph analysis and fluid routing.

SHORT DESCRIPTION Environmental engineering hydrology; Hydrologic cycle; Hydrometeorology; Precipitation; Measurement of pricipitation; Analysis and interpretation of rainfall data; Stream flow measurement; Evaporation and evapotranspiration; Infiltration; Rainfall runoff relationship; Hydrograph analysis; Flood routing. DETAIL DESCRIPTION 1 Understand the concept of environmental engineering hydrology.

1.1 Define hydrology. 1.2 Mention the meaning of the terms hydrometrology, meteorology,

climatology, potamology, limnology, cryology, glaciology, oceanology, hydrogeology, geohydrology and geomorphology.

1.3 Describe the meaning of the terms agronomy, hydrogeology, geohydrology and geomorphology.

2 Understand the hydrology cycle. 2.1 Describe hydrologic cycle. 2.2 Describe precipitation and infiltration. 2.3 Describe surface runoff, evaporation and transpiration. 2.4 Draw a descriptive representation of hydrologic cycle.

3 Understand the hydrometeorology. 3.1 Define hydrometeorology. 3.2 Mention the constituents of the atmosphere. 3.3 Describe the vertical structure of the atmosphere. 3.4 Describe solar radiation. 3.5 Describe the general circulation of the northern hemisphere. 3.6 Describe the triple cell circulation at the earth’s surface. 3.7 Describe airmass, air front, cyclone, anticyclone, thunderstorm and

tornadac. 4 Understand the precipitation.

4.1 Define precipitation. 4.2 Describe the formation of precipitation.

56

4.3 Describe different types of precipitation. 4.4 Describe drizzle, rain, glaze, sheet snow, hail and dew. 4.5 Describe climate and weather seasons in Bangladesh. 4.6 Describe the meteorological parameters with their measurements. 4.7 Describe evaporation.

5 Understand the measurement of precipitation. 5.1 Describe the method of measurement of precipitation. 5.2 Describe non-recording rain gauges. 5.3 Mention recording rain gauges. 5.4 Describe with sketch the tipping buckle rain gauge. 5.5 Describe with sketch the weighing buckle rain gauge. 5.6 Describe float type rain gauge. 5.7 Describe the radar measurement of rainfall.

6 Understand the analysis and interpretation of rainfall data. 6.1 Describe analysis and interpretation of rainfall data. 6.2 Describe rainfall mass curve and rainfall hyetograph. 6.3 Describe the intensity frequency duration analysis of rainfall. 6.4 Describe the average depth of precipitation over an area. 6.5 Describe the annual rainfall in Bangladesh.

7 Understand the stream flow measurement. 7.1 Define stream flow. 7.2 Describe measurement of stage. 7.3 Describe discharge measurement by area velocity method. 7.4 Describe stage discharge relation. 7.5 Describe the selection of stream gauging site. 7.6 Explain stage and discharge hydrographic. 7.7 Mention the units of stream flow.

8 Understand the evaporation and evapotranspiration. 8.1 Define evaporation, sublimation, transpiration and evapotranspiration. 8.2 Describe evaporation process. 8.3 Describe factors diffecting evaporation. 8.4 Describe the estimation of evaporation. 8.5 Describe the measurement of evaporation by atmometers. 8.6 Describe the measurement of evaporation by evaporation pans. 8.7 Describe the factors affecting the process of transpiration. 8.8 Describe the factors affecting the evapotranspiration. 8.9 Describe the measurement of evapotranspiration.

9 Understand the infiltration. 9.1 Define infiltration. 9.2 Describe factors affecting infiltration capacity. 9.3 Describe infiltrometers. 9.4 Describe hydrograph analysis. 9.5 Describe infiltration equations.

57

9.6 Explain infiltration indices. 10 Understand the rainfall runoff relationship.

10.1 Define runoff. 10.2 Mention the unit of run off. 10.3 Describe the components of runoff. 10.4 Describe factors affecting runoff. 10.5 Describe basin yield. 10.6 Explain mainfall rainoff relationship. 10.7 Describe flow duration curve. 10.8 Describe flow mass curve.

11 Understand the hydrograph analysis. 11.1 Define hydrograph. 11.2 Describe the feature of hydrograph. 11.3 Describe the hydrograph separation. 11.4 Describe unit hydrograph theory. 11.5 Describe the derivation of unit hydrograph. 11.6 Describe distribution graph. 11.7 Describe the use and application of unit hydrograph.

12 Understand the flood routing. 12.1 Define flood routing. 12.2 Describe reservoir routing. 12.3 Describe channel routing.

REFERENCE BOOKS 1. Dr. P. Jayarami Reddi (1996), A Text Book of Hydrology; Laxmi Publication

(Pvt) Ltd, New Delhi. 2. Raghunath HM (1985); Hydrology Wiley Eastern, New Delhi. 3. Chow V.T. (1964); Handbook of Applied Hydrology; McGraw-Hill Book

Company, New York 4. Chow V.T, Maidment D.R and L. W Mays (1988), Applied Hydrology; McGraw-

Hill Book Company, New York

58

2823 BASIC ELECTRONICS T P C 2 3 3

AIMS • To provide understanding of basic electronics terminology, electronic measuring

and test equipment. • To provide understanding and skill on the basic concept of semiconductor and to

identify physically a range of semiconductor diodes. • To develop comprehensive knowledge and skill on special diodes and devices. • To develop the abilities to construct different rectifier circuits. • To provide understanding of the basic concept and principle of transistor and to

identify physically a range of transistor. • To provide understanding and skill on the basic concept of logic gates, colour code

and soldering techniques. SHORT DESCRIPTION Basic electronics terminology; Electronic measuring and test equipment; Colour code and soldering; Semiconductor; P-N junction diode; Special diodes and devices; Power supply; Transistor; Transistor amplifier; Logic gates. DETAIL DESCRIPTION

Theory : 1 Understand the concept of electronic terminology, electronic measuring

and test equipment. 1.1 Explain the term “Electronics” as meaning the control of mainly low

levels of current using a wide range of electronic devices. 1.2 Recognize and describe the general function of resistors,

potentiometers, capacitors, inductors, transistors, rectifying diodes, light emitting diodes & integrated circuits and draw their circuit symbols.

1.3 Explain the basic functions and essential operating principles of the following measuring instruments:

Analogue voltmeters, ammeters & AVO meters. Digital AVO meters. Cathode ray oscilloscopes. Simple resistance bridges.

1.4 Identify the main precautions to be observed when handling and reading instruments.

59

1.5 Explain why most analogue meters are designed to be used horizontally.

1.6 Explain the basic function, essential operating principles and typical applications of the following test equipment :-

Variacs. Low voltage dc power supply units. Variable frequency sine and square wave generators.

2 Understand the concept of color code and soldering. 2.1 Describe the process of determining the value and tolerance of resistors

and capacitors. 2.2 Explain the techniques necessary to produce correctly soldered joints. 2.3 Describe modern mass production (bath & wave) soldering techniques. 2.4 Explain the function and construction of printed circuit boards and

distinguish between single sided, double sided & multi-layered boards. 3 Understand the concept of semiconductor and compound semiconductor.

3.1 Define conductor, semiconductor & insulator. 3.2 Define semiconductor with atomic structure. 3.3 State the characteristics of carbon, Silicon, germanium & gallium

arsenide/phosphide. 3.4 Describe the generation and recombination of holes and electrons in

intrinsic semiconductor. 3.5 Define doping, p-type & n-type material, covalent bond, majority &

minority carrier. 3.6 Describe the advantages of GaAs against the silicon.

4 Understand the concept of P-N junction diode. 4.1 Describe the formation of a p-n junction. 4.2 Define depletion layer, potential barrier, drift & diffusion current and their

practical significance. 4.3 Explain the behavior of pn junction under forward & reverse bias. 4.4 Draw forward & reverse v-i characteristics curves and explain. 4.5 Explain the effect of temperature on Si & Ge diode characteristics. 4.6 Define static & dynamic resistance for silicon and germanium diodes. 4.7 Describe the specifications of diodes.

Understand the concept of special diodes and devices.

4.8 Explain the construction, operation and application of zener diode, tunnel diode, varactor diode, schottky diode, photo diode, VDR, LED & LCD.

4.9 Explain a simple voltage stabilization circuit using zener diode. 4.10 Explain the construction, operation and application of Diac, Triac, SCR,

FET, UJT, GTO, IGBT & solar cell. 5 Understand the operation of power supply.

60

5.1 Define rectification and rectifier. 5.2 Explain the operation of half wave rectifier, full wave center tapped &

bridge rectifier. 5.3 State ripple factor and efficiency. 5.4 Explain with waveform the operation of different types of filters. 5.5 Describe the operation of voltage doubler and tripler. 5.6 Describe with the wave forms the operation of polyphase rectifiers

(halfwave and fullwave). 6 Understand the operation of bipolar transistor.

6.1 Describe the construction and mechanism of current flow for pnp and npn transistor.

6.2 Explain the forward & reverse biasing of pnp & npn transistor. 6.3 Describe the basic configuration of transistor (CB, CE, CC). 6.4 Describe leakage current and the effect of temperature on leakage

current. 7 Understand the concept of bipolar transistor amplifier.

7.1 Describe the supply polarities, direction of base, emitter & collector current flow of pnp & npn transistor for three (CE, CB, CC) configuration.

7.2 Explain the principle of amplification, input and output phase relationship, dc & ac current amplication factor (∝, β,γ), voltage and power gain.

7.3 Discuss the characteristic curves of CB, CE & CC transistor circuit. 7.4 Deduce the relation between ∝, β and γ. 7.5 Describe different methods of transistor biasing. 7.6 State equation and graphical representation of dc & ac load line. 7.7 Explain dc & ac equivalent circuit of transistor amplifier circuits.

8 Understand the operation of logic gates. 8.1 Define logic gates. 8.2 Describe the basic operation of basic gates (AND, OR NOT), XOR,

XNOR & universal gates (NAND, NOR). 8.3 Discuss the simple combinational logic circuit.

Practical : 1 Show skill in identifying the electronic components.

1.1 Observe the electronic components board and read the manuals. 1.2 Identify the different types of resistors with their values, tolerance and

wattage. 1.3 Identify the different types of potentiometers with their values, &

wattage. 1.4 Identify the different types of capacitors with their values, dc working

voltages and types.

61

1.5 Identify the different types of diodes & rectifiers with the numbers and specifications.

1.6 Identify the different types of transistors and thyristors with their number and specifications.

1.7 Identify the different types of LED’s, IC’s and miniature relays with their number & specification.

1.8 Identify different types of transformer with their specification. 1.9 Identify different inductors with their values & current ratings. 1.10 Study the printed circuit boards. 1.11 Sketch the symbols of components used in electronic circuits. 1.12 Describe the basic function of each component. 1.13 Write a report on above activities.

2 Show skill in electrical measurement using general purpose laboratory instruments. 2.1 Perform simple voltage and current measurements on basic series and

parallel resistor circuits using the following instruments. a) Voltmeters and ammeters b) AVO meters c) Digital multimeter d) Basic CRO

3 Show skill for determining the values of different resistors and capacitors with the help of color code. 3.1 Select color code resistors & capacitors of different values. 3.2 Identify the colors and their numerical numbers. 3.3 Determine the value of resistors with tolerance. 3.4 Determine the value of capacitors and dc working voltage. 3.5 Write a report on above activities.

4 Show skill in performing soldering. 4.1 Select wires (single strand and multi strand) and cut wires to required

length. 4.2 Select soldering iron, soldering tag and soldering lead. 4.3 Remove wire insulation to required length. 4.4 Clean and tin both iron and work piece. 4.5 Use a tinned iron in order to transfer adequate heat to the joint. 4.6 Joint two singles stranded wires mechanically and solder. 4.7 Joint two multi-strand wires mechanically and solder. 4.8 Perform soldering exercise for making three dimensional wire frame. 4.9 Sketch and write a report on the job.

5 Show skill in soldering & desoldering of electronic components and wires to the other components and circuit boards. 5.1 Select electronic components, wires and PCB. 5.2 Determine the rating of the soldering iron suitable for the work piece. 5.3 Clean and tin both iron & work piece.

62

5.4 Feed new soldering materials to the tinned and heated joint, in order to produce a correctly soldering.

5.5 Check the quality of soldering. 5.6 Clean and tin iron and de-solder the joint and components. 5.7 Use solder suckers and solder braid for de-soldering. 5.8 Write a report on the Job.

6 Show skill in checking the semi-conductor diode. 6.1 Collect a range of semi-conductor diodes and manufactures literature. 6.2 Select the digital multimeter and set the selector switch to ohm range. 6.3 Determine the specification of semi-conductor diode. 6.4 Compare the determined specification with that of manufactures

literature. 6.5 Measure forward & reverse resistances of the diode. 6.6 Identify p and p side of the diode. 6.7 Determine the condition of the diode.

7 Show skill in sketching forward and reverse characteristics curves of a semi-conductor diode. 7.1 Select meter, power supply, components and materials. 7.2 Complete circuit according to circuit diagram for forward bias. 7.3 Check all connections. 7.4 Measure forward bias and corresponding forward current. 7.5 Record results in tabular form. 7.6 Connect circuit according to circuit diagram of reverse bias. 7.7 Measure reverse bias and corresponding reverse current. 7.8 Record results in tabular form. 7.9 Sketch the curves form data.

8 Show skill in sketching waves of half wave rectifier circuit.

8.1 Select meter, component, oscilloscope and materials. 8.2 Complete circuit of a half wave rectifier according to circuit diagram. 8.3 Check the circuit before operation. 8.4 Measure the input and output voltage and observe wave shapes in the

oscilloscope. 8.5 Sketch the output voltage wave shape.

9 Show skill in sketching waves of full wave center tapped rectifier circuit. 9.1 Select meter, component, oscilloscope and materials. 9.2 Complete a full wave rectifier circuit according to circuit diagram. 9.3 Check the circuit supply & polarity of supply. 9.4 Measure the input & output voltages and observe wave shapes in the

oscilloscope. 9.5 Sketch the output voltage wave shape. 9.6 Compare the result with half-wave rectifier circuit.

10 Show skill in constructing full wave bridge rectifier.

63

10.1 Select meter, component, oscilloscope and materials. 10.2 Build the circuit according to the circuit diagram. 10.3 Check the circuit. 10.4 Measure the input and output voltage. 10.5 Observe wave shape. 10.6 Compare the result with other rectifiers.

11 Show skill in identifying the bipolar junction transistor. 11.1 Select pnp & npn bipolar junction transistors. 11.2 Take DMM and manufacture’s literature of transistor. 11.3 Identify transistor legs. 11.4 Measure base-emitter, base-collector, forward and reverse resistance. 11.5 Determine the specifications with help of manufacturer’s literatures. 11.6 Identify pnp & npn transistor.

12 Show skill in determining input and output characteristics of a transistor in common emitter connection. 12.1 Select component, AVO meters, circuit board and required materials. 12.2 Construct the circuit. 12.3 Adjust the biasing voltage to appropriate point. 12.4 Record input and output voltage and current. 12.5 Plot the curve with recorded data.

13 Show skill in testing special diodes. 13.1 Select different types of special diodes. 13.2 Set the AVO meter in the ohm scale. 13.3 Measure resistances for each of two terminals. 13.4 Determine the condition (good and bad). 13.5 Determine the different terminals.

14 Verify the truth tables of different types of logic gates. 14.1 Select the specific gate. 14.2 Prepare the experimental circuit. 14.3 Adjust the power supply. 14.4 Verify the truth table.

REFERENCE BOOKS 1 Electronic Devices and Circuits

⎯ Jacob Millman and C. Halkias 2 Electronic Devices and Circuits

⎯ G. K. Mithal 3 Principles of Electronics

⎯ V. K Metha 4 Electronics and Radio Engineering

⎯ M. L Gupta 5 Industrial Electronics

64

⎯ G. K. Mithal

65

1421 MATHEMATICS − II T P C 3 3 4

OBJECTIVES • To enable in solving the simultaneous equations with the help of determinant. • To make understand the binomial expansion for negative and fractional index. • To enable to calculate the areas of regular polygons , hexagons, octagon,

hydraulic mean depth (HMD) of a channel, area occupied by water of circular culvert. excavation work.

• To provide the ability to calculate volume of regular solids like pyramid frustum of pyramid, prismoid, wedge and area of curved surfaces .

SHORT DESCRIPTION Algebra: Determinants, Partial Fractions, Binomial theorem for negative integral index,

Exponential Series. Trigonometry: Inverse circular functions, Properties of triangle and solution of triangles. Menstruation: Area of rectangles, squares, triangles, quadrilaterals, parallelograms,

rhombus, trapezium, circle, sector, segment; Volume of rectangular solids, prism, parallelepiped , pyramids, cones , spheres, frustum of pyramid and cone; Area of curved surface of prism. Cylinder cone, pyramid and frustum of cone.

DETAIL DESCRIPTION ALGEBRA : 1 Apply determinants to solve simultaneous equations.

1.1 Expand a third order determinant. 1.2 Define minor and co-factors. 1.3 State the properties of determinants. 1.4 Solve the problems of determinants. 1.5 Apply Cramer’s rule to solve the linear equation.

2 Apply partial fraction to break the numerator and denominator.

2.1 Define proper and improper fractions. 2.2 Resolve in to partial fraction of the followings types :

a) Denominator having a non-repeated linear factor. b) Denominator having a repeated linear factor.

66

c) Denominator having a quadratic factors. d) Denominator having a combination of repeated, non-repeated

and quadratic factors .

3 Solve problems using binomial theorem 3.1 Write down the binomial theorem for negative and fractional index. 3.2 Solve problems of the followings types:

Expand i) ( ) n1

nx1 −− ii) 08.4

1

4 Understand exponential series. 4.1 Define e. 4.2 Prove that e is finite and lies between 2 and 3.

4.3 Prove that e x = 1Lx1+ + 2L

2x+ 3L

3x+ 4L

4x....... to ∝

4.4 Solve problems of the followings types :

i) 2L11+ + 4L

1 + 6L

1 + ......... to ∝

ii) 2L1

+ 3L21+

+ 4L321 ++

+ 5L4321 +++ + ....... to ∝

TRIGONOMETRY 5 Apply the concept of inverse circular function.

5.1 Explain the term inverse circular function and principal value of a trigonometrical ratio.

5.2 Deduce mathematically the fundamental relations of different circular functions.

5.3 Convert a given inverse circular function in terms of other functions. 5.4 Prove mathematically

i) tan −1 x + tan −1 y = tan −1 xy1yx

−+

.

ii) tan −1 x + tan −1 y + tan −1 z = tan −1 zxyzxy1

xyzzyx−−−

−++

iii) sin −1 x + sin −1 y = sin −1 ( )22 x1yy1x −+−

iv) 2 tan −1 x = sin −1 2x1x2

+=cos−1 2

2

x1x1

+−

=tan−1 2x1x2

−

5.5 Solve problems of the following types.

a) 2 tan −1 13 + tan −1 14 = π4

67

b) cos tan −1 cot sin −1 x = x. c) Prove that the area of the segment cut from a circle of radius r

by a chord at a distance d from the centre is given by K= r 2

cos −1 dr − 22 drd −

6 Apply the principle of properties of triangles. 6.1 Prove the followings identities :

i) asinA = b

sinB = csinC =2R .

ii) a 2 = b 2 +c 2 − 2bc cos A iii) a = b cos C – c cos B .

iv) ∆ = 12 bc sin A.

6.2 Establish the followings.

a) tan 2A

= ( )( )

( )asscsbs

−−−

b) tan 2

C-B =

c bc - b

+ cot

2A

c) ∆ = 4Rabc

6.3 Solve the problems of the following types:

i) Prove cos (B − C) + cos A = bc2R

ii) An object experiences two forces F1 and F2 of magnitude 9 and 13 Newtons with an angle 1000 between their directions. Find the magnitude of the resultant R.

7 Apply the concept of area of triangle.

7.1 Find the area of triangle in the form,

i) A= 2a43

, a = length of a side of equilateral triangle.

ii) A= 4c

22 ca4 − , where a= length of equal sides,

c= third side. iii) A= ( )( )( )csbsass −−− , where a, b, c = length of the sides of

a triangle and 2s is the perimeter of the triangle.

7.2 Use formula in 7.1 to solve problems.

68

8 Apply the concept of finding areas of quadrilateral & Parallelogram. 8.1 Define quadrilateral & Parallelogram. 8.2 Find the areas of quadrilateral when off sets are given. 8.3 Find the areas of a parallelogram. 8.4 Solve problems using above formulae.

9 Apply the concept of finding areas of rhombus & trapezium.

9.1 Define rhombus & trapezium. 9.2 Find the areas of rhombus when the diagonals are given. 9.3 Find the areas of trapezium in terms of its parallel sides and the

perpendicular distance between them. 9.4 Solve problems related to rhombus & trapezium.

10 Apply the concept of finding areas of regular polygon.

10.1 Define a regular polygon. 10.2 Find the area of a regular polygon of n sides, when

i) the length of one side and the radius of inscribed circle are given. ii) the length of one side and the radius of circumscribed circle are

given. 10.3 Find the area of a regular . a) hexagon

b) octagon when length of side is given.

10.4 Solve problems of the followings types: A hexagonal polygon 6 m length of each side has a 20 cm width road surrounded the polygon. Find the area of the road.

11 Understand areas of circle , sector and segment. 11.1 Define circle, circumference, sector and segment. 11.2 Find the circumference and area of a circle when its radius is given. 11.3 Find the area of sector and segment of a circle. 11.4 Solve problems related to the above formulae.

12 Apply the concept of volume of a rectangular solid. 12.1 Define rectangular solid and a cube. 12.2 Find geometrically the volume of a rectangular solid when its length,

breadth and height are given. 12.3 Find the volume and diagonal of a cube when side is given. 12.4 Solve problems with the help of 12.2 & 12.3.

13 Apply the concept of the volume of a prism and a parallelepiped. 13.1 Define a prism, parallelepiped and a cylinder.

69

13.2 Find the volume of prism, parallelepiped and cylinder when base and height are given.

13.3 Solve problems related to 13.2. 14 Apply the concept of the volume of pyramid, cone and sphere.

14.1 Define pyramid, cone and sphere. 14.2 Explain the formula for volume of pyramid, cone and sphere. 14.3 Solve problems related to 14.2.

15 Apply the concept of surface area of prism, cylinder and cone.

15.1 Explain the formulae for areas of curved surfaces of prism cylinder and cone.

15.2 Solve problems related to15.1.

70

1422 CHEMISTRY T P C 3 3 4

OBJECTIVES • To provide the students a background of basic science required for understanding

technology subjects. • To develop a working knowledge of common engineering and industrial materials

including physical and chemical properties and to enable to determine through experiments the properties of such materials.

• To develop a basic knowledge and concept of chemical reactions of common

engineering and industrial materials. • To develop through experiments the understanding of fundamental scientific

concept which will provide a common base for further studies in science and technology.

SHORT DESCRIPTION Role of Chemistry in the field of engineering and technology; Matter and its changes; Symbol, valency and chemical equations; Different types of chemical reactions; Catalyst and Catalysis; Acid, Base and Salt; Properties of gases; Dalton atomic theory; Avogadro’s hypothesis; Laws of chemical equivalent; Atomic weight and molecular weight; Atomic structure; Quantum numbers; Periodic table; Oxidation & Reduction; Chemical bond; Electrolytic conductance and electrolysis; Acid base equilibria; Nitric Acid; Sulfuric Acid; Halogen, Ammonia and Carbon dioxide; Water; Metals; Concept of Organic Chemistry; Aliphatic Hydrocarbon and Alcohols.

DETAIL DESCRIPTION Theory :MATTER AND ITS CHANGES 1 Symbol, Valency & Chemical Equation

1.1 Define matter, element, compound, mixtures, solutions and

suspensions. 1.2 Distinguish between, " atoms and molecules", "physical change and

chemical change", ”exothermic and endothermic changes and reactions“.

1.3 Identify exothermic and endothermic reactions from a given list of reactions.

1.4 Define symbol and formula, valency of elements and radicals.

71

1.5 Distinguish between molecular formula, empirical formula and structural formula.

1.6 Discuss the variations of valency with examples. 1.7 Define active and latent valency. 1.8 Define chemical equation . 1.9 Explain the full meaning of a given chemical equation.

DIFFERENT TYPES OF CHEMICAL REACTIONS , CATALIST & CATALYSIS 2 Understand the concept of chemical reactions.

2.1 Define chemical reaction. 2.2 Name the methods of bringing about chemical reaction. 2.3 Give examples of eight different types of chemical reactions with

suitable examples. 2.4 Define catalysis and catalyst. 2.5 Mention different types of catalyst with examples. 2.6 List five uses of catalysts in industries.

ACID, BASE & SALT 3 Understand acid, base and salt.

3.1 Define acid, base and salt. 3.2 List five properties of acid, base and salt. 3.3 Classify salts according to their chemical properties. 3.4 Explain basicity of an acid and acidity of a base.

STATES OF MATTER 4 Understand properties of gases.

4.1 Identify the basic properties of gases. 4.2 Define Boyls law & Charls law, absolute temperature S.T. P /N.T.P

4.3 Deduse the relationship between pressure, volume and temperature of a gas to establish Boyle’s Law , Charle’s law and the law of pressure.

4.4 Combine the gas laws to establish the gas equation. 4.5 Establish the partial pressure of mixed gases using Dalton’s law of

partial pressure. 4.6 Solve problems in relation to pressure, volume, temperature and partial

pressure of a mixture of gases. DALTON'S ATOMIC THEORY & AVOGADRO'S HYPOTHESIS 5 Understand Dalton's atomic theory & Avogadro's hypothesis

5.1 List the four postulates of Dalton's atomic theory. 5.2 Explain at least five limitations of Dalton’s atomic theory. 5.3 State Avogadro's hypothesis . 5.4 Explain Avogadro's constant.

72

5.5 Explain five applications of Avogadro's hypothesis in Chemistry. 5.6 Solve problems using the knowledge of Avogadro's hypothesis.

6 Understand chemical equivalent , Atomic & molecular weight. 6.1 Define the chemical equivalent of an element, a compound, a radical, an

alkali and a salt. 6.2 Explain the variations in chemical equivalent of an element. 6.3 List four uses of chemical equivalent. 6.4 Define atomic weight and molecular weight.

6.5 Establish a relationship among chemical equivalent, valency and atomic weight. 6.6 Explain four methods of determination of atomic weight.

6.7 Solve problems to find out atomic weight, chemical equivalent and valency.

7 Understand the modern concept of atomic structure. 7.1 State the fundamental particles of atom. 7.2 Explain the following terms: i) Atomic number ii) Isotopes iii) Isobar iv) Gram-atom v) Mass Number and vi) Gram molecular weight. 7.3 Describe Rutherford's and Bohr's atomic model.

8 Understand the quantum numbers. 8.1 Define quantum numbers . 8.2 Explain the significance of the following quantum numbers: i) Principal quantum number ii) Subsidiary quantum number iii) Magnetic quantum number

iv) Spin quantum number 8.3 Explain the Pauli's exclusion principle. 8.4 Explain the probability distribution of electrons round the nucleus. 8.5 Define orbit and orbital.

9 Understand the modern periodic table. 9.1 State the periodic law of elements. 9.2 Describe the modern long periodic table. 9.3 Explain the limitations of periodic table. 9.4 Explain the positions of hydrogen in the periodic table. 9.5 Explain the inert properties of zero group of elements. 9.6 Explain the properties of group -l A elements.

10 Understand oxidation and reduction. 10.1 Explain the modern concepts of oxidation and reduction with

examples. 10.2 Explain "oxidizing agent" and "reducing agents " with examples.

10.3 Explain the oxidation and reduction takes place simultaneously.

73

10.4 Explain the oxidation number and oxidation state. 10.5 Write the oxidation number of an element from its compounds.

11 Understand the modern concept of chemical bonds. 11.1 Define chemical bond. 11.2 List the different types of bonds. 11.3 Explain the modern concept of ionic bonds . 11.4 Explain the co-valent bonds, co-ordinate bond, Sigma bond, Pie bond.

12 Understand the fundamentals of electrolysis. 12.1 Define electrolysis. 12.2 Differentiate between electrical conductor and electrolyte. 12.3 Explain the process of electrolysis. 12.4 Explain Faraday's laws of electrolysis. 12.5 List at least four Industrial applications of electrolysis.

13 Understand pH value, Acidimetry and Alkalimetry. 13.1 Define pH, acidimetry and alkalimetry. 13.2 Explain pH scale and its uses. 13.3 Explain acidbase titration. 13.4 Explain the method of preparation of normal solutions. 13.5 Define of indicators and their uses. 13.6 Explain buffer solutions and their working mechanism.

14 Understand oxides and hydroxides. 14.1 Define oxide and hydroxide. 14.2 Describe the classification of oxides and hydroxides. 14.3 Explain different types of oxides and hydroxides with examples.

15 Understand the manufacturing process of nitric acid, sulfuric acid, hydrochloric acid, halogen. 15.1 State the chemical and physical properties of nitric acid, sulfuric acid

and hydrochloric acid. 15.2 Define halogen. 15.3 Identify the properties and uses of halogen. 15.4 Outline the effects on the environment of the manufacturing and uses

of nitric acid, sulfuric acid, chlorine and hydrochloric acid. 16 Understand the production of ammonia and carbon dioxide.

16.1 Explain the methods of production of ammonia. 16.2 Explain the properties of ammonia. 16.3 Describe the nitrogen cycle. 16.4 Compare the properties of CO and CO2 . 16.5 List the uses of carbon dioxide and outline its effects on the

environment. 17 Understand the chemical process involved in water treatment.

17.1 Distinguish between hard water and soft water. 17.2 Differentiate between temporary and permanent hardness of water.

74

17.3 List at least three disadvantages and three advantages of using hard water.

17.4 Describe the Permutit process of softening hard water by explaining the reactions that take place.

17.5 Explain the ion exchange resin process of softening water. 17.6 Describe chemical tests of water.

18 Understand the extraction and refining process for Iron, Copper, Zinc and Aluminum. 18.1 Compare the properties of metal and non-metal. 18.2 Define (i) ores (ii) roasting (iii) calcination (iv) smelting (v) alloy (vi)

slag, (vii) Flux. 18.3 Describe the manufacturing process of iron and copper from its ore. 18.4 Compare the properties of (i) Cast Iron (ii) Iron (iii) Steel (iv)

Wrought Iron. 18.5 Give names and formulae of important ores of Iron, Copper, Aluminum

and Zinc. 19 Understand the concept of Organic Chemistry and organic compounds.

19.1 Define Organic Chemistry. 19.2 Distinguish between organic and inorganic compounds. 19.3 Explain homologous series of organic compounds. 19.4 List the molecular and structural formulae of methane, ethane,

propane and butane. 19.5 Explain functional groups of organic compounds.

20 Understand the aliphatic hydrocarbons. 20.1 Define hydrocarbon, saturated and unsaturated hydrocarbons. 20.2 Define alkane, alkene and alkynes. 20.3 Explain commons system, derived system and IUPAC system of

nomenclature of organic compounds. 20.4 Describe the basic principal of preparation and uses of methane,

ethane, ethylene and acetylene. 21 Understand the preparation, properties and uses of alcohols.

21.1 Define Alcohols. 21.2 Explain the classification of alcohol. 21.3 Define the term Enzyme, Fermentation, De-carboxilation, Power

Alcohol, Absolute Alcohol . PRACTICAL OBSERVATION AND MEASUREMENT 1. Measure the pH value of unknown solutions to classify them as neutral , acidic or

alkalis. 2. Prepare a decinormal solution of sodium bicarbonate. 3. Determine the unknown strength of an acid . Solve by a standard alkalis solution

with a suitable indicator.

75

QUALITATIVE ANALYSIS OF KNOWN SALTS 4. Perform test tube tests for the known salt samples Copper salt, Iron salt, Lead

salt, Aluminum salt, Ammonium salt, etc. 5. Perform charcoal oxidation and reduction test for the different salt e.g. such as

Lead salt, Copper salt, Iron salt, Calcium salt, etc. 6. Perform tests to detect unknown basic radicals e.g. Lead, Copper, Iron Calcium,

Zinc, Aluminium, Magnesium, Ammonium and Sodium. 7. Perform tests to detect unknown acid radicals e.g. chloride, nitrate, carbonate

and sulphate.

76

1121 BANGLA − II T P C 2 0 2

D‡Ïk¨ 1. evsjv fvlvi e¨env‡i m„RbkxjZv I D™¢vebv kw³i D‡Øvab| 2. evsjv fvlv I mvwnZ¨ cVb-cvVbvi gva¨‡g RvZxq †PZbv, †`k‡cÖg, bxwZ I g~j¨‡ev‡ai D‡b¥l mvab| msw¶ß weeiYx evsjv‡`‡ki Rb¥m~Î I evsjv fvlv; gvZ…fvlv I m„wókxjZv; M`¨ I c`¨ msKjb; Rxebx| wek` weeiYx 1 evsjv‡`‡ki Rb¥m~Î I evsjvfvlv

1.1 evsjvfvlv I evsjv‡`kx RvZxqZv‡eva t HwZnvwmK †cÖ¶vcU| 1.2 evqvbœi fvlv Av‡›`vjb Ges fvlv Av‡›`vjb DËi NUbv cÖevn t 1952-1971| 1.3 AvšÍR©vwZK gvZ…fvlv w`em|

2 gvZ…fvlv I m„wókxjZv 2.1 evK¨ msMV‡b wPšÍvi mgš^q I k„sLjv, cvi®úh©, hyw³, Zzjbv I mv`„k¨ wbiƒcY t Av‡ivn I Ae‡ivn

c×wZ| 2.2 †kªYx I †ckvMZ fvlv t cÖ‡KŠkj I cÖ‡KŠkjxi fvlv, fvlv e¨env‡i Av‡cw¶K wfbœZv| 2.3 Awfavb cvV t evsjv Awfavb cv‡Vi ixwZ c×wZ|

3 M`¨ 3.1 ‰ngšÍx- iex›`ªbv_ VvKzi| 3.2 wejvmx- kirP›`ª P‡Ævcva¨vq| 3.3 Aa©v½x-‡eMg †iv‡Kqv mvLvIqvZ †nv‡mb| 3.4 ‡hŠe‡bi Mvb-KvRx bRi“j Bmjvg| 3.5 GKz‡ki Mí-Rwni ivqnvb|

c`¨ 3.6 e½fvlv-gvB‡Kj gaym~`b `Ë| 3.7 Kei- Rmxg DÏxb| 3.8 Avgvi c~e© evsjv- ˆmq` Avjx Avnmvb| 3.9 gvbyl- KvRx bRi“j Bmjvg| 3.10 `yB weNv Rwg- iex›`ªbv_ VvKzi|

4 Rxebx- Wvt †gvnv¤§` Beªvnxg|

77

1122 ENGLISH – II T P C 2 0 2

OBJECTIVES : After the completion of the course, learners will be able to develop- ∗ Reading and writing skills ∗ Grammatical accuracy with emphasis on spelling & punctuation ∗ Information Collection ∗ Creative Writing ∗ Effective Communication and Correspondence

CONTENTS Seen comprehension

Thirteen: We and Our Rights

2 Women have rights too

Fourteen: Human Resources

3 Enriching the workforce

Fifteen: Towards Social Development

3 Work all, prosper all

1 The Sangsad Bhaban Sixteen: Wonders Home and Abroad 2 The Jamuna Multi-Purpose Bridge

Eighteen: World Heritage

3 The Buddhist Vihara at Paharpur

Nineteen : Healthy Living

5 The disabled among us

2 How can I be self-employed? Twenty: Jobs and Professions 3 Self-help a key to success

1 The world as a global village 3 Modern technology and globalization

Twenty-one: Globalisation

6 Globalisation and English N.B: The Unit mentioned refers to the Text Book (1st Paper) English for Today for class 11 – 12 by National Curriculum & Text Book Board, Dhaka. GRAMMAR

Unit Lesson Title One:

Pronouns & Determiners 3 Determiners

Eight: Use of Direct & Indirect Speech

2 Changing Speech

78

Twelve: Further Use of Preposition

2 Appropriate Prepositions

Thirteen: Further Uses of Articles

1 Uses of Articles

Fourteen: Idiom and Phrase

9 Some common Idioms

N.B: The Unit mentioned refers to the Text Book (2nd Paper) English Grammar and Composition for class XI - XII by National Curriculum & Text Book Board, Dhaka. COMPOSITION Area of interest: With hints/ key words National, Social, Political Problems: Terrorism, Drug Addiction, Acid Violence, Dowry, Load shedding, Price Hike, Gender Discrimination, Traffic Jam, Deforestation etc. Calamities: Drought, Erosion, Flood, Cyclone, Earth quake, Landslide etc. National days and festivals: International Mother Language Day, Independence Day, Victory Day, Pahela Baishakh, May Day etc. Scientific Development: Satellite, Optical Fiber, E-mail, Internet & Agricultural Development. Environment Pollution: Water, Air, Sound, Global Warming. Heritage sites: The Sundarbans, National Memorial, Cox’s Bazar Sea Beach, Bhashani Novo Theatre. Industries: Garments, Textile, Poultry, Leather, Ceramics, Fertilizer. 1. Writing a short composition 2. Writing a report on a situtation/event/incident. 3. Writing a formal letter/CV.

Practical 1. Asking Questions : WH, Yes/No, Tag questions 2. Conversations on real life situations

a) Today's market price b) About festival c) Preparation for the examination

79

d) Last day of examination e) Visit to place of interest f) Choice of profession

g) Current Topics from Newspapers.

80

1123 SOCIAL SCIENCE − II T P C (ECONOMICS) 2 0 2 OBJECTIVES To provide opportunity to acquire knowledge and understanding on : − the basic concepts and principles of economics and human endeavor in the

economic system. − the realities of Bangladesh economy and the current problems confronting the

country. − the role of Diploma Engineers in industries. − occupations and career planning for Diploma Engineers. − Engineering Team. SHORT DESCRIPTION Nature, scope and importance of Economics; Basic concepts of Economics – utility, wealth, consumption, income and savings; Production – meaning, nature, factors and laws; Demand and Supply; Scale of production and organization; Division of Labor; Current economic problems of Bangladesh; Role of Diploma Engineers in the economic development of Bangladesh; Occupations and career planning; Engineering team.

DETAIL DESCRIPTION NATURE, SCOPE AND IMPORTANCE OF ECONOMICS 1 Understand the importance of the study of Economics.

1.1 Discuss the definitions of Economics as given by eminent economists. 1.2 Describe the scope of Economics. 1.3 Discuss the relation of Economics with other Social Sciences.

BASIC CONCEPTS OF ECONOMICS 2 Understand fundamental concepts of Economics

2.1 Define commodity. 2.2 Define utility. 2.3 Differentiate between value in use and value in exchange. 2.4 Explain wealth with its characteristics. 2.5 Discuss the term, ”consumption“. 2.6 Define income. 2.7 Explain the term, ”savings“.

PRODUCTION : MEANING, NATURE AND LAWS 3 Understand the process of production.

81

3.1 Discuss production mode and process. 3.2 Explain the nature of different factors of production. 3.3 Describe the relative importance of factors of production.

4 Understand the concept of the law of diminishing returns in the production process. 4.1 Discuss the law of diminishing returns. 4.2 State the application and limitations of the law of diminishing returns. 4.3 Discuss the law of increasing returns. 4.4 Define the law of constant returns. 4.5 Draw the curve of diminishing returns.

DEMAND AND SUPPLY 5 Appreciate the importance of the concept of elasticity of demand.

5.1 Illustrate the law of diminishing utility. 5.2 Define marginal utility and explain the law of diminishing marginal utility. 5.3 Define the term, ”demand“. 5.4 Describe elasticity of demand and factors which determine the elasticity

of demand. 5.5 Describe elasticity of supply with the help of a supply curve.

SCALE AND ORGANIZATION OF PRODUCTION 6 Distinguish between small scale and large scale production.

6.1 Describe the factors which determine the scale of production. 6.2 Discuss the large scale production with its advantages and

disadvantages. 6.3 Describe the domain of small scale production with its advantages and

disadvantages in the context of Bangladesh. 6.4 Distinguish between a large scale industry and a small scale industry.

DIVISION OF LABOR 7 Understand Utility of Division of Labor.

7.1 Define division of labor. 7.2 Describe the kinds of division of labor. 7.3 Explain the advantages and disadvantages of division of labor.

NATIONAL INCOME AND POPULATION CONTROL 8 Understand national income and population control.

8.1 Explain national income. 8.2 Discuss GDP and GNP. 8.3 Discuss growth rates. 8.4 Explain features of Bangladesh population. 8.5 State measures to be undertaken to arrest high growth rate of

population.

82

CURRENT ECONOMIC ISSUES OF BANGLADESH 9 Understand the current economic issues of Bangladesh.

9.1 Identify major problems of rural economy. 9.2 Identify the major problems of urban economy. 9.3 Explain income distribution in alleviating poverty, inequality and

discrimination. 9.4 Explain the migration of rural population to urban areas.

10 Understand the availability and use of natural resource in the economic development of Bangladesh. 10.1 List the natural resources of Bangladesh and classify them according to

sources of availability. 10.2 Explain the importance of the various resources and their potential uses. 10.3 Discuss the need for conservation of forests for economic development

and as a measure to preservation of environmental balance. 10.4 Discuss use of water resources. 10.5 Discuss use of resources and sustainable development.

ROLE OF DIPLOMA ENGINEERS 11 Understand the role of a Diploma Engineer in the development of

Bangladesh economy. 11.1 State the general job description of a Diploma Engineer. 11.2 Explain the relation of Diploma Engineers with other professionals and

employers including skilled workers in the industries. 11.3 Discuss the role of a Diploma Engineer in the industries. 11.4 Identify the role of a Diploma Engineer in the overall economic

development of Bangladesh. OCCUPATIONS AND CARRIER PLANNING 12 Appreciate the career prospects for Diploma Engineers in different

production/service engineering organizations. 12.1 Explain the employment opportunities for Diploma Engineers in

different sectors and sub-sectors of economy. 12.2 List the different organizations, sector and sub-sectors providing

employment to Diploma Engineer. 12.3 Discuss positions of Diploma Engineers in different engineering firms. 12.4 Discuss the avenues of mobility (vertical and horizontal) for Diploma

Engineers in different organization. 12.5 Explain socio-economic status of a Diploma Engineer.

83

12.6 Explain prospects of Diploma Engineers in self-employment. ENGINEERING TEAM 13 Understand the diversity of the roles played by Diploma Engineers.

13.1 Explain the concept of the term, ”Engineering Team“. 13.2 Identify the functions of Engineers, Diploma Engineers and Craftsmen

forming the engineering team. 13.3 Explain the need for coordinating the functions of different members of

the engineering team.

84

1211 PHYSICAL EDUCATION T P C 0 1 1

OBJECTIVES • To enhance body fitness. • To make aware of first aid procedure. • To acquaint with the common games and sports. SHORT DESCRIPTION Warming up; Yoga; Muscle developing with equipment; First aid; Games & sports. DETAIL DESCRIPTION 1. Warming up

1.1 General Warming-up : Head rotation, Hand rotation, Side twisting, Toe touching, Hip rotation, Keen twisting, Ankle twisting, Push up & Sit up.

1.2 Squad Drill : Line, File, Attention, Stand at easy, Stand easy, Left turn, Right turn, About turn, Mark time, Quick march, Right wheel, Left wheel, Open order march & Closed order march.

1.3 Specific warming up : Legs raising one by one, Legs raising in slanting position, Knee bending and nose touching, Heels raising, Toes touching & Laying position.

1.4 Mass Physical Exercise (Free hand) : Hand raising, Side twisting, Front & back bending, Front curl, Straight arms curl two hands, Hands raising overhead and Push up & Push down.

2. Yoga Dhyanasan :

Shabasan, Padmasan, Gomukhasan, Sharbangasan, Shirshsan Shasthyasan : Halasan, Matshasan, Paban Muktasan, Ustrasan

3. Muscle Developing with equipment Damball :

Front curl, Hand sidewise stretching, Arms raising overhead. Barball : Front press, Leg press, Rowing motion with leverage bar.

Rope climbing : Straight way climbing, Leg raising climbing.

85

Horizontal bar : Chinning the bar front grip, Chinning the bar wide back grip.

Jogging Machine : Slow, medium, and fast running

Rowing Machine : Toe touching with knee bending

Multigym Machine : Leg press, Back press.

4. First aid Primary prevention of electric shock, Snakes biting, Driving patient burning

patient. Bandage Binding : Arm sling, Heel, Finger, Knee, Hip, Head, Ring pad.

5. Games and sports Football :

Should trap, Thigh trap, Abdomen trap, Chest trap, Heading, Shorting, tackling, Goal keeping.

Cricket : Balling, Batting, wicket keeping, fielding.

Handball : Catch the ball, Ball pass (all kinds of pass), Attack, Drill, Shorting

Volleyball : Service, Dig receive and pass, Busting, Smashing, Blocking.

Badminton : Gripping, Service, Receive, Smashing, Foot working.

Athletics : Truck events, Field events.