Monday, August 29, 2016
Roll no……………..
Total no. of
Questions:09]
B.Tech. (Sem.-3rd)
AUTOMOTIVE CHASSIS AND COMPONENTS
SUBJECT CODE: AE-203
PAPER ID:[A0703]
Instruction to
Candidates:
1.
SECTION-A is compulsory consisting of Ten
question carrying Two marks each.
2.
SECTION-B contains FIVE questions carrying Five
marks each and students has to attempt any four questions.
3.
SECTION –C contains Three questions carrying Ten
marks each and students has to attempt any Two questions.
Section- A
1.
Write briefly:
a.
Define different types of chassis used in
automobiles.
b.
Define turning circle, state its approximate
values for a car and a bus.
c.
State advantages of using constant velocity
joint over Hooke’s joint.
d.
Which type of rear axle is best suited for heavy
vehicles?
e.
What is the function stub axle and king pin in
front axle?
f.
How laminated leaf springs are self damping in
suspension?
g.
State the function of a torsion bar.
h.
What is static and dynamic unbalance?
i.
Why wire wheels can’t be used with tubeless tires?
j.
What is fading of brakes?
Section –B
2.
What is perfect steering? Derive an expression
for basic condition for a perfect steering mechanism.
3.
How the torques is divided by the differential
between the wheels on turns?
4.
Compare drum brakes with disc brakes.
5.
Discuss different methods of supporting live
rear axle shafts.
6.
Explain with sketch double wishbone type of
independent suspension system with a sketch.
Section –C
7.
Explain Camber angle, Castor angle, Steering
axis inclination, tor-in & toe-out. Discuss their effects on steering
characteristics of vehicle.
8.
Draw out detailed comparison of radial and bias
ply tires. Also sketch and explain their constriction.
9.
Why do we need anti-locking braking system in
automobile? Sketch and explain working of anti-lock braking system and list its merits and
demerits.
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