Download GTU BE/B.Tech 2019 Summer 5th Sem New 2150202 Automobile Systems Question Paper

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GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-V (NEW) EXAMINATION - SUMMER 2019

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Subject Code: 2150202 Date: 31/05/2019
Subject Name: Automobile Systems
Time: 02:30 PM TO 05:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.

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2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

Q.1 (a) Draw the layout plan of automobile and name the various components. 03
(b) Compare front and rear mounting engine. 04
(c) Explain the various types of frame and give function of frame. 07

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Q.2 (a) Explain frameless construction. 03
(b) Give the brief classification of chassis of automobile vehicles. 04
(c) Explain different types of material used in automobile body construction 07
Or
(c) Write short note on torsional bar and helper spring. 07

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Q.3 (a) Define sprung mass and unsprung mass. 03
(b) Explain Macpherson strut type suspension system. 04
(c) Explain hydro-elastic suspension 07
Or
(a) Give the classification of brakes. 03

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(b) Explain semi centrifugal clutch 04
(c) Give the comparisons of disc brake and drum brake: 07

Q.4 (a) Give the comparison between multi plate and single plate clutches. 03
(b) Explain bleeding of brake. 04
(c) Explain construction and working principle of fluid flywheel. Also give the merits and demerits of it. 07

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Or
(a) Why gear box is required in automobile vehicle. 03
(b) Explain radial ply tyre. 04
(c) What is the importance' of differential in vehicle? Explain its working and construction with diagram. 07

Q.5 (a) Explain tyre rating. What does 215/75 R 15 89T means. 03

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(b) Explain following term; 1. Traction and tractive effort 2. Air resistance 04
(c) Explain power steering in detail with neat sketch & its advantages 07
Or
(a) Explain Hotchkiss and Torque-tube type rear axle drives with neat diagrams 03
(b) Explain Ackermann steering in detail with neat sketch 04

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(c) Explain working of propeller shaft with suitable sketch and function of each Component of it. 07