In automobile braking system retarders are
A.chemicals which limit the rate of pressure rise in engine
B.chassis components which face wind resistance
C.auxillary brakes which supplement the main brake
D.none of the above
Category: Automobile Engineering Mcqs
The device used to reduce the exhaust noise is known as
A.Exhaust manifold
B.Exhaust pipe
C.Tail pipe
D.Muffler
E.None of the above
In a S.I. engine, if the colour of exhaust flame is bluish, transparent, it indicates that the mixture supplied to the engine is
A.Too lean
B.Chemical correct
C.Most economical
D.Suitable for maximum output
E.Too rich
Which one of the following is antifriction bearing?
A.Ball bearing
B.Roller bearing
C.Taper roller bearing
D.Needle bearing
E.All of the above
The process of super charging is meant for
A.raising exhaust pressure
B.increasing density of intake air
C.providing air for cooling
D.none of the above
Which one of the following is not a part of the chassis?
A.Wheels
B.Front axle
C.Steering system
D.Passenger seats
E.Rear axles
Diesel engines are generally preferred for road transport these days because of low
A.Initial cost
B.Manufacturing cost
C.Prime cost
D.Operating cost
E.Maintenance cost
For S.I. engine carburettor the float is usually made of
A.Brass sheet
B.Nylon
C.Cast iron
D.Either (A) or (B)
E.Either (B) or (C)
The exhaust value remains open approximately for
A.160?
B.180?
C.190?
D.235?
For a four stroke engine the maximum power output is reached at an air quantity
A.Deficient by 5 to 10 percent
B.Deficient by 15 to 20 percent
C.Deficient by 25 to 30 percent
D.Surplus by 5 to 10 percent
E.Surplus by 15 to 20 percent
