Loss of engine compression can result from
A.Defective fan belt
B.Excessive tappet clearance
C.Excessive tappet clearance
D.Worn out rings
E.Wrong timing
Category: Automobile Engineering Mcqs
The ignition coil acts as
A.An inductor
B.A capacitor
C.A RC circuit
D.A step up transformer
E.A step down transformer
Wax is applied on car body because
A.It is water repellent
B.It seals off the pores
C.The surface shines
D.Any of the above
E.None of the above
Odometer is
A.An instrument which indicates the condition of the battery
B.An instrument used for measurement of fuel consumption
C.An instrument for BHP measurement
D.An instrument for distance measurement
E.An instrument for smoke analysis
In a four stroke SI engine the inlet valve opens
A.at TDC and closes at BDC
B.10? before TDC and closes 10? after BDC
C.10? before TDC and closes 10? after BDC
D.10? before TDC and closes 50? after BDC
LPG mainly consists of
A.Methane and ethane
B.Propane and butane
C.Petrol and diesel
D.Hexane and butadiene
High gum content in petrol may result in
A.detonation
B.misfiring
C.clogging of carburettor
D.none of the above
Pick up the wrong statement
A.Thermal efficiency of diesel engine is about 34%
B.Theoretically correct air fuel mixture for petrol engine is about 1.5 : 1
C.High speed compression engines operate on dual combustion cycle
D.Diesel engines are CI engines
E.SI engines are quality governed engines
Which part is not common between the petrol and diesel engines
A.Air cleaner
B.Exhaust silencer
C.Battery
D.Dynamo
E.Fuel injector
The air gap between the central electrode and ground electrode of a spark plug is approximately
A.1 cm
B.0.5 cm
C.0.2 cm
D.0.1 cm to 0.06 cm
