The inlet value remains open approximately for
A.160?
B.180?
C.190?
D.235?
Category: Automobile Engineering Mcqs
Clutch slippage while clutch is engaged is particularly noticeable
A.During idling
B.At low speed
C.During acceleration
D.During braking
E.While starting the engine
In a S.I. engine, when most economical mixture is supplied, the colour of exhaust flame is expected to be
A.Bluish, transparent
B.Dark blue to reddish-yellow
C.Yellow-red to red
D.Dark red
E.Colour of exhaust flame has nothing to do with the mixture composition
The purpose of the dynamo in an automobile is to
A.Supply electric power
B.Convert mechanical energy into electrical energy
C.Act as a reservoir of electrical energy
D.Continually recharge the battery
E.Partly convert engine power into electric power
The ignition of the charge in spark ignition engine before spark occurs in spark plug, is known as
A.auto-ignition
B.pre-ignition
C.detonation
D.none of the above
Increasing the temperature of intake air in an I.C. engine will
A.increase the efficiency
B.decrease the efficiency
C.increase or decrease the efficiency
D.None of the above
In case of oil bath type air cleaner, the oil sediments formed by the dust must be removed
A.Every day
B.Weekly
C.Monthly
D.After about 500 km
E.After about 5000 km
The angle of camber is usually
A.Less than
B.Between
C.2? to 5?
D.5? to 7?
E.More than 7?
Balls for a ball bearing are made of
A.Stainless steel
B.Carbon chrome steel
C.High speed steel
D.Stainless steel
E.Mild steel
Which one of the followings is used in C.I. engines?
A.spark plug
B.injector
C.cross-head
D.none of the above
