GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Subject Name: Automobile Engineering
Time:10:30 AM TO 12:30 PM Total Marks: 56
3. Figures to the right indicate full marks.
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-V (NEW) EXAMINATION — WINTER 2020
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Subject Code:3152009 Date:03/02/2021Subject Name: Automobile Engineering
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.
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2. Make suitable assumptions wherever necessary.3. Figures to the right indicate full marks.
| Q.1 | (a) Define (1) Camber (2) Caster (3) Toe | 03 |
| (b) Explain function of frame. | 04 | |
| (c) Explain the working of a single plate clutch with the help of a simple diagram. | 07 | |
| Q.2 | (a) Compare S.I. engines with C.I engines. | 03 |
| (b) Give the various types and applications of lubrication and cooling system in I.C.engine. | 04 | |
| (c) State the different methods of supercharging and discuss any one of them with figure. | 07 | |
| Q.3 | (a) Give classification of suspension system. | 03 |
| (b) What are the functions of the following accessories? i) Mirror ii) Odometer iii) Sun visors iv) Speedometer v) Windscreen wiper vi) Fuel Gauge | 04 | |
| (c) Explain principle of starting motor used in automobile. | 07 | |
| Q.4 | (a) State principle and requirements of automotive brakes. | 03 |
| (b) Explain starting system-with neat sketch | 04 | |
| (c) Explain stages of combustion in C.I. engines. | 07 | |
| Q.5 | (a) Explain rolling resistance, gradient resistance, and wind resistance. | 03 |
| (b) List any four types of electronic components of vehicle and state their use. | 04 | |
| (c) Explain Ackermann steering mechanism. | 07 | |
| Q.6 | (a) Draw any two vehicle layouts in Automobile. | 03 |
| (b) Explain battery charging system. | 04 | |
| (c) Which are the checking to be done during daily, weekly and monthly maintenance of a vehicle ? Discuss in brief. | 07 | |
| Q.7 | (a) Define the terms: i) Mechanical efficiency ii) Indicated and Brake Power iii) specific fuel consumption | 03 |
| (b) Write about hybrid vehicle and concept car. | 04 | |
| (c) Explain the construction and working of synchromesh gear box used in automobiles. | 07 | |
| Q.8 | (a) Pointout need of clutch in the automobile. | 03 |
| (b) What is meant by maintenance? Explain different types of maintenance. | 04 | |
| (c) Write short note on (i) Electric car (ii) Hybrid car | 07 |
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