Download GTU B.Tech 2020 Winter 4th Sem 3140203 Basics Of Automobile Systems Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY

BE- SEMESTER-IV (NEW) EXAMINATION - WINTER 2020

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Subject Code:3140203 Date:09/02/2021

Subject Name:Basics of Automobile Systems

Time:02:30 PM TO 04:30 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.

1. Q.1

   1. Draw layout of front engine four wheel drive and write advantages of it. MARKS 03
   2. Draw power transmission line for four wheel drive vehicle. MARKS 04

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   3. Compare Front engine front wheel drive vehicle with Rear engine rear wheel drive vehicle based on any seven aspects. MARKS 07

2. Q.2

   1. Define: Wheel base, Wheel track, Ground Clearance. MARKS 03
   2. Justify the need of suspension system in the vehicle. MARKS 04

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   3. Explain MacPherson Strut type and Wishbone type suspension system with suitable sketch and application. MARKS 07

3. Q.3

   1. Describe with a neat sketch the automobile chassis MARKS 03
   2. Explain leaf spring with a neat figure MARKS 04

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   3. Enlist different types of automobile frames with suitable example. Compare their merits and demerits. MARKS 07

4. Q.4

   1. What is transfer box? Where it is used? MARKS 03
   2. Explain Ackermann steering in detail with neat sketch MARKS 04

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   3. Explain with suitable sketch the construction and working of master cylinder for hydraulic braking system. MARKS 07

5. Q.5

   1. Explain bleeding of brake. MARKS 03
   2. Compare drum brake and disc brake. MARKS 04

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   3. Explain pneumatic brakes with diagram. MARKS 07

6. Q.6

   1. Why alignment is required in automobile? MARKS 03
   2. Explain wheel alignment. MARKS 04

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   3. Explain 4 forward and 1 reverse sliding mesh gear box with neat sketch. MARKS 07

7. Q.7

   1. Explain specification of tyre. MARKS 03
   2. What is the principle of automatic transmission? Explain epicyclic gear box in brief MARKS 04

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   3. Explain working of propeller shaft with suitable sketch and function of each Component of it. MARKS 07

8. Q.8

   1. Compare radial ply and bias ply tyre. MARKS 03
   2. Explain various resistances acting on a vehicle in motion. MARKS 04

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   3. What is the importance of differential in vehicle? Explain its working and construction with diagram. MARKS 07