The number of cylinders in an Ambassador car is
A.2
B.3
C.4
D.6
E.8
Category: Automobile Engineering Mcqs
Ignition advance in S.I. engine is not the direct function of
A.mixture strength
B.compression ratio
C.grade of petrol
D.load on engine
The stationary part of the Wankel engine has an inner contour of
A.elliptical section
B.two lobed epitrochoid section
C.four lobed epitrochoid section
D.none of the above
The knocking C.I engines is characterised by the sudden auto-ignition of the mixture
A.at the end of the combustion process
B.in the middle of combustion process
C.at the very beginning of the combustion process
D.none of the above
Theoretically air required for the combustion of one kg of fuel is
A.10 kg
B.14.5 kg
C.16.7 kg
D.17.4 kg
E.18.9 kg
Diesel fuel as compared to petrol is
A.More difficult to ignite
B.Less difficult to ignite
C.Equally difficult to ignite
D.None of the above
During discharge of a battery, the sulphuric acid in the electrolyte is replaced by
A.Lead sulphate
B.Oxygen
C.Hydrogen
D.Water
E.Ions
For the best utilization of fuel, in the engine cylinder, the air supply should be
A.About 10% surplus
B.About 25% surplus
C.Chemically correct
D.5 to 10 percent deficient
E.15 to 20 percent deficient
In a ball bearing which is more harder than the other parts?
A.Ball
B.Inner race
C.Outer race
D.All are equally hardened
E.It It depends on the size of bearing
