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GUJARAT TECHNOLOGICAL UNIVERSITY

INTERNAL COMBUSTION ENGINE

SUBJECT CODE: 161902B.E. SEMESTER : VI

Type of course: Engineering Science

Prerequisite: Zeal to learn the subject

Rationale: Understanding of basic principles of Mechanical Engineering is required in various field ofengineering

Teaching and Examination Scheme:

Teaching SchemeCredit

s Examination Marks Total

L T P C Theory Marks Practical Marks

Mark

sESE PA ESE PA

(E) (M) Viva (V) (I)

3 0 2 5 70 30* 30 20 150

L- Lectures; T- Tutorial/Teacher Guided Student Activity; P- Practical; C- Credit; ESE- End Semester Examination; PA-Progressive Assessment

Learning Objectives:

1. To comprehend of the fundamentals of existing mechanical systems.

2. To appreciate the applications of mechanical engineering in various fields of engineering.

Content:

Sr.Topic

Teaching

No Hrs.

1.

Basic Machine Tools:

Machine tools classification, working and auxiliary motions in machine

tools,

Primary cutting motions in machines tools. 1

2. Metal Cutting Lathes: 3

Engine Lathes, construction all arrangement and principal units of engine

lathes, type and size range of engine lathes, Operations carried on engine

lathe , attachment extending the processing capacities of engine

lathes,

3.

Drilling Machines:

Purpose and field of application of drilling machines upright drill

processes, radial drills, alignment tests of drilling machine.

3

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4.

Boring Machine:

Purpose and filed of application, Horizontal boring machines,

Precision boring machines.4

5.

Milling Machines:

Purpose and types of milling machines, general purpose milling

machines, different types of milling operations, milling cutters,

attachments extending the processing capabilities of general

purpose milling machines. Alignment tests of milling machine. 5

6.

Planers, Shapers and Slotters:

Classification: Attachments extending the processing capacities of each. 4

7

.

Sawing and broaching, Machines:

Metal sawing classification: reciprocating sawing machines, circular sawing

Machines, band sawing machines. Types of broaching machines, advantage

and limitations of broaching. 3

8.

Grinding Machines and Abrasives:

Classification of grinding machines, cylindrical grinders, internal grinders,

Surface grinders, tool and cutter grinders, grinding wheel surface finishing.

Abrasives, manufacture or grinding wheels. 3

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Course Outcome:

1. Analyze effects of operating parameters of engines on engine efficiency, brake power and volumetricefficiency.

2. Evaluate the main parameters on carburettor and injector.

3. Investigate the effect of air fuel ratio on emission and engine power.

4. Confirm that two-stroke engine should be banned due to the high pollution.

List of Experiments:

1. Study of Port timing diagram of two strokes S.I. Engine and Its Scavenging

2. Study of Supercharging and Turbo charging of I.C. Engines

3. Study of Carburettors.

4. Study of Fuel Injection System for C.I. Engines.

5. Study of Combustion chamber of S.I. Engine.

6. Study of Combustion chamber of C.I. Engine.

7. Study of Ignition system of I.C. Engines.

8. Study of Governing system of I.C. Engines.

9. Study of Emission and its control of I.C. Engines.10. Performance of Two stroke petrol engine test rig.

Major Equipments:

1. Test rig of four stroke diesel engine with hydraulic dynamometer.

2. Test rig of four stroke petrol engine with electrical dynamometer.

3. Test rig of two stroke petrol engine with rope brake dynamometer.

List of Open Source Software/learning website: http://nptel.iitm.ac.in

*PA (M): 10 marks for Active Learning Assignments, 20 marks for other methods of PA

ACTIVE LEARNING ASSIGNMENTS: Preparation of power-point slides, which include videos, animations,

pictures, graphics for better understanding theory and practical work The faculty will allocate chapters/ parts

of chapters to groups of students so that the entire syllabus of Elements of Mechanical Engineering is covered.

The power-point slides should be put up on the web-site of the College/ Institute, along with the names of the

students of the group, the name of the faculty, Department and College on the first slide. The best three works

should be sent to achievements@gtu.edu.in.

Text Books:

3. A course in internal combustion engines by V.M. Domdundwar, Dhanpatrai & Co.(p) ltd, New Delhi

4. Internal combustion engines by Mathur & Sharma , Dhanpatrai & sons, New Delhi.

mailto:achievements@gtu.edu.inmailto:achievements@gtu.edu.inmailto:achievements@gtu.edu.in

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5. Internal combustion engines by V.Ganeshan ( Tata Mc Grawhill pub.co. ltd., NewDelhi)

Reference Books:1. Internal combustion engines by Ramalingam ( Scitech pub.india pvt. ltd., chennai)

2. Internal combustion engines by H.N. Gupta, PHI Learning, New Delhi.3. Internal combustion engines by B.L..Singhal ( Tech-max publications, Pune)4. John B. Heywood, Internal combustion engine fundamentals, McGraw-Hill, 1988.

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