second year first semester

Department of Mechanical Engineering - Course Catalogue 1

Second Year First Semester

MATH 207 Differential Equations And Complex Variables 4cr.


Objective: To impart an increased understanding of differential equations as well as foundation knowledge of complex variables.

First Order Differential Equations: - introduction, separable equations, exact differential equations - integrating factors and Bernoulli's equations - linear first order differential equations with some physical applications.

Linear Second Order Differential Equations: - Introduction, the fundamental theorem, Wronskians and general solution - homogeneous second order linear equations with constant coefficients - damped and undamped motions, non-homogeneous second order equations

Series Solutions of Differential Equations: - introduction, power series solution of differential equations, Legendre's equation Legendre's polynomials and functions, Bessel's equations and functions.

Complex Variables: - complex Numbers, complex functions, polar forms, analytic functions - complex integration, Green's theorem, Cauchy's integral formulae - Taylor series, Laurent series, singularities, residues, conformal mapping

Laplace Transforms: - introduction, definitions of the Laplace transform, - Laplace transform of derivatives and integrals - derivatives and integral of Laplace transforms, inverse Laplace transforms - Laplace transform of periodic functions, partials fractions, convolutions - Laplace transform solutions of differential equations with polynomial coefficients.

Partial Differential Equations: - introduction, derivation of the wave and heat equations, Fourier Series solutions - Laplace's equation, gravitational potential, the D'Alembert solutions - separation of variables, Fourier series solution of boundary value problems - Fourier-Bessel and Fourier-Legendre solution of boundary value problems - Laplace transform and Fourier transform solution of boundary value problems.

References: 1. D. Kreyszig: Advanced Engineering Mathematics, Wiley Eastern Ltd. 2. M C Potter and J Gold berg: Mathematical Methods, 2nd Edition, TMH

MEEG 217 Basic Manufacturing Processes 3cr.


LATHES:

Introduction to Machine Tools and Classification of Machine Tools:

Lathe: types of lathe, lathe parts, work holding devices: chucks face plate. Lathe operations: facing, turning, drilling, and boring. Taper turning: calculation and problems. Thread cutting; gear calculation; use of dial indicator. Method of cutting multiple threads, thread chaser, cutting metric threads. Eccentric turning. Capstan and turret lathes. Layout of turret tooling.

Shaping, Planning, Slotting & Milling Machines: Gear Generation:

Shaping machine: parts and their functions Principle of crank shaper and hydraulic shaper, speeds and feeds, table-feeding mechanism.

Slotting Machine: description of slotting machines and their function

Planers: types and their relative merits, difference between planer, shaper and slotter.

Milling Machines: types and principles of milling, milling cutter terminology, milling operations, gear cutting, indexing: simple, compound, differential indexing and calculations.

Gear generation methods: gear shaping and gear hobbing

Other Machine Tools

Drilling Machines: types of drilling machines, parts and their functions. Twist drill terminology, machining time calculation.

Boring machines: types & uses.

Broaching Machines: types & uses

Grinding Machines: designation of grinding wheel, grinding operations, speeds and feeds, balancing, truing and dressing of grinding wheel, types of wheel shapes, coolant used.

Metal Working:

True Stress, True Strain, Plastic Deformation, Hot Working, Hot Working Temperatures, Cold Working. Rolling, Principle, Equipment, Angle of Bite, Calculation for slip. Forging, Principle, Flow Stresses, Strain, Extrusion, Principle, Hot & Cold Extrusion, Wire Drawing, Principle, Tube Drawing, Sheet Metal Working, Definitions of Various Operations like Shearing, Blanking, Piercing Trimming, Shaving etc., Forging Hammers and Presses.

MEEG 217 Basic Manufacturing Processes 3cr.


Foundry:

Foundry hand tools. Foundry sand and their control additives. Core and types of core.Pattern materials and types of patterns. Shrinkage allowances. Molding process pouring. Knockout and cleaning of casting.Brief description of special casting methods as shell molding, CO2 molding and centrifugal molding, Permeability, hardness, flowability. Tensile compression, shear strength and moisture content. Defects in sand casting.Cupola.

Welding:

Welding: Soldering, brazing and braze welding advantages and limitations.Welding processes and applications. Defects in welding

Gas Welding: Principles, Types of gases used, Types of Flames, Welding Techniques, Filler Rods, Principles Position of Torch, Precautions and Safety

Electric Arc Welding: Principles, A.C./D.C. Welding, Edge Preparation, , Welding Electrodes, Manual Metal Arc Welding, Carbon Arc Welding, Inert Gas Shielded Arc Welding, TIG & MIG, Submerged Arc Welding, Atomic Hydrogen Arc Welding, Plasma Arc Welding, Stud Arc Welding, Arc Cutting.

Resistance Welding: Principles, Electrodes, Spot Welding, Seam Welding, Projection Welding, Upset Welding, Flash Welding.

Fusion Welding Processes: Thermit Welding, Electro Slag Welding, Electron Beam and Laser Beam Welding

References:

1. J.S. Campbell: Principle of manufacturing, TMH Publications & Co. 2. Raghavan: Workshop technology I 3. Raghuwanshi: Workshop technology I, Dhanpatrai & Sons 4. Begman & Amsteed: Manufacturing processes

5. SK Hajra Choudhary & SK Rose: Elements of workshop technology, Vol. I, Media Publishers.

MEEG 216 Engineering Mechanics 3cr.


Introduction to Statics

Definition of force, transmissibility, superposition, parallelogram law, triangle law, action and reaction, reactions at supports, free body diagrams, resultant of forces, concurrent coplanar forces, forces in plane and space, equilibrium of forces, couple of forces

Properties of Areas

Distributed forces, Centroid, Centre or gravity, area moment or inertia, mass moment of inertia, shear forces and bending moments in beams

Introduction to Statics of Structures

Equilibrium of members in a structure, equilibrium of trusses, methods of joint, methods of sections Friction

Friction, origin of friction, laws of friction application of friction to engineering problems. Viz. wedge, ladder, belt, and rope.

Introduction to Dynamics

Kinematics and kinetics, rectilinear motion, curvilinear motion, projectiles, tangential and normal components, radial and transverse components, Newton's laws of motion, kinetics of particle moving in curve, banking and super-elevation

Kinematics and Kinetics Of Rigid Bodies

Rotation of a rigid body about a fixed axis, uniformly accelerated rotation, velocity and acceleration of a rigid body in general plane motion, rectilinear and curvilinear translation, centroidal motion, general plane motion, rolling motion

Energy and Momentum Methods:

Particle Motion: Energy methods for rectilinear translation, Impulse and momentum, direct impact, conservation of linear momentum Rigid Body Motion: Energy methods, centroidal rotation, rolling motion, general plane motion, Impact and conservation of angular momentum

References:

1. I.H.Shames, "Engineering Mechanics: Statics and Dynamics" Prentice Hall of India, 3rd Edition 2. F.P.Beer and Jhonston Jr. "Mechanics for Engineers, Statics", Mc Graw-Hill, Singapore,1987,

4th Edition 3. F.P.Beer and Jhonston Jr. "Mechanics for Engineers, Dynamics", Mc Graw-Hill,

Singapore,1987, 4th Edition 4. Merian J.L., "Mechanics : Part 1: Statics, Part 2 : Dynamics", Wiley International, 2nd Edition 5. Synge, "Principles of Mechanics", Mc Graw- Hill, 3rd Edition 6. K.L.Kumar "Engineering Mechanics", TMH

MEEG 213 Material Science & Metallurgy 3cr.


Course Content:

Crystal Structures: Crystals and solid state, crystallographic directions and planes-unit cell, computation of atoms in the pattern, imperfections in crystal structure.

Determination Of Structures Of Solids: Determination of grain structure by light microscope, electron micros-cope and X-ray diffraction-identification of planes and Miller indices-Computation of the unit cell-indices of simple FCC Q BCC lattices.

Solidification: Nucleation, crystal growth from liquid phase, dendritic growth.

Phases in solids: Single crystals, multiphase solids, equilibrium diagram: Revision of phase rule an binary diagrams solid solubility, binary diagram-their development for components with complete solubility and partial solubility invariant reactions, Inter metallic compounds.

Iron-carbon systems: Study of iron carbon system in detail with emphasis on the eutectic reaction, isothermal and continuous cooling diagram.

Heat treatment of steel: Normalizing, annealing, hardening and tempering, spheroidizing. Surface and case hardening methods-hardenability and Jominy hardness test. Steel and cast-iron classification, effect of alloying element on them.

Non-ferrous alloys: Properties and uses of brass, bronze, Al-Cu- alloys.

Failure of Materials: Types of failure. Mechanism of brittle failure.Suppression of brittle fracture, linear elastic fracture mechanism, mechanism of ductile failure through creep, fatigue failure.

Ceramic phases and their properties: Comparison of ceramic and non ceramic phases, crystal structure of ceramic phase, close packed compounds effect of structure on the behaviour of ceramic phase: Dielectric ceramics, ceramic semiconductors, mechanical behavior of ceramic materials.

References:

1. Van Vlak, Elements of Material Science 2. Diater, Mechanical Metallurgy 3. V.Raghavan, Material science & engg. 4. R.M. Brick, R.B. Gordon, A.W. Pense - Structure & Properties of engg. Materials.

EEEG 201 Basic Electronics 2cr.


Semiconductors: PN junction behaviour, PN junction diode, diode model, rectifiers and filters, Zener and LED characteristics and application

Bipolar Junction Transistor: FET construction, FET amplification principal, equivalent circuit, gain and transfer characteristics

Thyristors: Characteristics, Simple phase controlled rectifier using SCRs

Operational amplifiers: Ideal OP-amp, inverting and non-inverting amps, adder, subtractor.

Comparator: D/A and A/D conversion and application to DVM, square wave generation, analog computation example

Measurement and Transducers: measuring instruments principle of moving coil and moving iron instruments, ammeters, voltmeters, range extension, ohmmeter, wattmeter and energy meter.

Transducers: definitions, classification, strain gage, displacement transducers, LVDT, resistance thermometer, thermocouple, thermistor, spatial encoder, optical and other transducers.

References:

1. R J Smith Circuits Devices and Systems, Wiley Int. Edition, 5th Ed., 1991 2. E Hughes Electrical Technology, ELBS, 6th ED., 1987 3. R Del Toro Principles of Electrical Engineering PHI, New Delhi, 1987 4. I J Nagrath, Basic Electrical Engineering, Tata McGraw Hill, Delhi 5. A D Helfrick et al Modern Electric Instrumentation & Measurement Techniques, PHI

EEEG 201 Basic Electronics 2cr.


General measurement concept: Principles of achieving accuracy. Methods for estimating accuracy and precision; precision versus accuracy. systematic and constant errors.

General principles of measurements: Line and end measurements. Standards. Linear measurements. Systems of limits and fits. Selecting and assigning of fits.

Gauges: Classification. Design of gauges; gauge makers' tolerance, wear allowance. Gauge material and gauge manufacture. Tools of checking straightness; flatness and squareness.

Measurements of angles and tapers. Sine bar and angle gauges. Taper gauges, bevel protractors.

Measurement of Surface Finish: Definition; elements of surface finish. Symbols for specifying surface finish. Instruments for surface finish measurement.

Gauging and measurement of screw threads: Gauging methods for manufacturing. Screw thread terminology. Standard specifications and formulae tolerances. Thread gauge measurement, measuring equipment for thread gauges

Gear measurement: Measuring methods for run-outs. Pitch profile, lead, backlash and tooth thickness; composite elements; inspection equipment.

References:

1. R.K Jain, "Metrology", Khanna Publication, New Delhi. 2. Sharpe, "Metrology",ELBS. 3. Hume, "Metrology", McDonald & Co.

second year first semester

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