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ME72501 |
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Lecture |
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3 |
Year |
: IV |
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Tutorial |
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1 |
Part |
: I |
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Practical: 3/2 |
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Course Objectives:
To familiarize the main components of automobile and its classification and to understand the functions of various components. To find possible faults and take necessary action for repair and to carry out the regular maintenance of the motor vehicle.
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1. Introduction To Automobiles |
(1 hour) |
1.1History of development
1.2Classification of motor vehicles
1.3Components of an automobile
1.4Chassis layout and types
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2. Drive Train |
(8 hours) |
2.1Clutch
2.1.1Purpose and function
2.1.2Types, main parts
2.1.3Common troubles and its diagnosis
2.2Gearbox: manual, automatic
2.2.1Introduction
2.2.2Purpose and function
2.2.3Types: sliding mesh, constant mesh, synchromesh and epicyclic gearboxes; gear shifting
2.2.4Automatic gearbox
2.2.5Overdrive
2.2.6Common trouble and its diagnosis
2.3Universal joints and propeller shafts
2.3.1Introduction, types of universal joints
2.3.2Common trouble and its diagnosis
2.4Final drive
2.4.1Function and types
2.4.2Main parts
2.4.3Differential
2.4.4Four wheel drive
2.4.5Common trouble and its diagnosis
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3. Wheel And Tyres |
(4 hours) |
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3.1 Types of wheels, wheel dimensions |
3.2Types of tyre, properties
3.3Tyre designations, factors affecting tyre life, tyre pressure and its effect
3.4Changing of tyre, tyre rotation
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4. Suspension System |
(2 hours) |
4.1Introduction and objective
4.2Types, main parts
4.3Trouble shooting
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5. Brakes |
(4 hours) |
5.1Introduction and objective
5.2Importance of stopping distance, braking distance
5.3Main parts
5.4Types: mechanical, hydraulic, power-assisted brakes
5.5Brake adjusting
5.6Brake shoe and lining materials
5.7Antilock braking system
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6. Steering System |
(4 hours) |
6.1Need for the system and parts
6.2Types of steering linkage and boxes
6.3Power steering
6.4Common trouble
6.5Wheel alignment
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7. Electrical System |
(6 hours) |
7.1Lighting and wiring system
7.2Battery, starter motor, generator
7.3Electrical and electronics instrument
7.4Accessories
7.5Common trouble and its diagnosis
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8. Alternative Fuel Vehicles |
(8 hours) |
8.1Working of alternative fuel vehicles: alcohol, compressed natural gas, propane or LPG, hydrogen, electricity
8.2Working of hybrid vehicles
8.3Historical development of these vehicles
8.4Construction of hybrid and alternative fuel vehicles
8.5Benefits to environment
8.6Operation and maintenance of these vehicles
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9. Vehicular Rules And Acts |
(2 hours) |
9.1Introduction
9.2Motor vehicle act, registration of motor vehicle, driving license, control of traffic, insurance against risk, claims for compensation
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10. Workshop Layout And Vehicle Maintenance |
(6 hours) |
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10.1 Garage and workshop layout |
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10.2 Calculation of workshop post, no. of workers and area of sections of the workshop |
Unit |
Chapters |
Topics |
Marks |
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10.3 Measuring instruments, tool and workshop equipment |
1 |
1 & 2 |
all |
16 |
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10.4 Vehicle maintenance and repair: types and purposes |
2 |
3, 4 & 5 |
all |
16 |
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Practical: |
3 |
6 & 7 |
all |
16 |
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4 |
8 |
all |
16 |
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1. |
Clutch And Gearbox |
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5 |
9 & 10 |
all |
16 |
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Types, main parts, dismantling, identification and assembling of components of |
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Total |
80 |
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clutch and gearbox; checking the conditions of clutch plate, pressure plate, |
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release bearing, gears. |
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2. Propeller Shaft, Final Drive And Differential |
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Main parts, dismantling, identification and assembling of main parts of |
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differential; checking the conditions of propeller shaft, universal joints, final |
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drive and differential. |
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3. |
Brakes |
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Types, main parts, dismantling, identification and assembling of brake |
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components; checking the conditions of master cylinder, brake drum/discs, |
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brake linings, pipe lines, brake oil reservoir |
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4. |
Suspension And Axles |
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Types, main parts; checking their conditions |
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5. Wheel, Tyres And Steering
Types, main parts; checking the conditions of tyres and tubes, wheel and steering gearbox, steering wheels
6. Battery, Starting Motor, Charging System, Lighting And Wiring
Battery: main parts, proper handling of electrolyte, use of battery charging and testing equipment, charging of new/used battery, servicing of battery.
Starting motor: main parts, dismantling, Identification of parts and assembling of starting motor, testing of starting motor on test bench and on car.
Charging system: types of generator and working principle, dismantling, identification of parts and assembling of generators, working principle of regulator and cut-outs.
Wiring layouts, identification of components, fault finding, replacing the damaged components.
References:
1.Crouse, H. W. and Anglin, D. L., “ Automotive Mechanics”, TATA McGraw hill Publishing Company Ltd., New Delhi
2.Bosch, “ Automotive Handbook”, Robert Bosch GmbH, Germany.
3.Moeed, K.M., “Automobile Engineering”, S.K. Kataria & Sons, New Delhi, India.
4.“Skill testing standards on motor vehicle” – Nepal skill testing authority, CTEVT
Evaluation Scheme:
There will be questions covering all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below:
