Download GTU B.Tech 2020 Winter 5th Sem 2150202 Automobile Systems Question Paper

Download GTU (Gujarat Technological University Ahmedabad) B.Tech/BE (Bachelor of Technology/ Bachelor of Engineering) 2020 Winter 5th Sem 2150202 Automobile Systems Previous Question Paper

Seat No.: ________
Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER?V (NEW) EXAMINATION ? WINTER 2020
Subject Code:2150202 Date:03/02/2021
Subject Name:Automobile Systems
Time:10:30 AM TO 12:30 PM Total Marks: 56
Instructions:
1. Attempt any FOUR questions out of EIGHT questions.

2. Make suitable assumptions wherever necessary.

3. Figures to the right indicate full marks.

Q.1 (a) Discuss the function universal joint in power transmission.
3
How an automobile is classified on basis of (a) Transmission (b) Wheel
(b) drive.
4
What is the importance of differential in vehicle? Explain its working and
(c)
7
construction with diagram.


Q.2 (a) List different types of lining materials used in brakes.
3
Explain the following terms: (i) Caster (ii) Camber
(b)
4
(iii)Toe in & Toe out (iv) Slip angle
Explain hydraulic braking system. Explain construction and working of
(c)
7
Master cylinder with neat sketch.


Q.3 (a) Write the advantages of fluid flywheel.
3
Explain functions of automobile frame. Give comparison of conventional
(b) frame and frameless construction.
4
Explain important of steering gearbox. Explain any two types of steering gear
(c)
7
box with neat sketch.

" In Automobile front axle, generally I section is provided in middle and
Q.4 (a)
3
elliptical Section provided at the end" Justify the statement.
(b) Explain semi centrifugal clutch.
4
Explain
(c) 1.Wishbone independent suspension
7
2.Mac Pherson strut independent suspension


Q.5 (a) What is the requirement of propeller shaft ? Explain with neat sketch.
3
(b) Explain the difference between radial ply and bias ply tires.
4
A four wheel drive passenger car moving up with high speed on an inclined
(c) road surface. Explain the types of road loads acting on the vehicle with
7
suitable diagram.

Define the following terms:
Q.6 (a)
3
(i) Air resistance (ii) Gradiability (iii) Traction and Tractive effort.
(b) Compare front and rear mounting engine.
4

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What is Continuous variable transmission in automobile? Explain working
(c) principal of continuous variable transmission.
7


Explain the following terms in details.
Q.7 (a)
3
(i) Over inflation (ii) Air bleeding (iii) Under inflation.

(b) Explain Ackermann steering in detail with neat sketch.
4

(c) Explain different types of material used in automobile body construction.
7




Q.8 (a) Explain with neat sketch vehicle layout for front engine front wheel drive.
3

(b) Explain the types of belts in brief.
4

(c) Explain hydro-elastic suspension.
7


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