Automobile Engineering in ME
The compression ratio in petrol engine is kept less than in Diesel engine because

Higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
It is just customary to have less compression ratio in petrol engines
Less compression ratio gives better performance
It makes petrol engines lighter

ANSWER DOWNLOAD EXAMIANS APP

Automobile Engineering in ME
The drive-shafts are connected to the differential and wheel hubs through universal joints because the universal joints

Absorb the vibrations transferred from the surface of the road
Compensate for variations in the relative positions of the differential and the wheels which result from bumpy road surfaces or other similar driving conditions.
Absorb any difference in speed between the left and right wheels when the vehicle is turning
None of these

ANSWER DOWNLOAD EXAMIANS APP

Automobile Engineering in ME
The composition of the electrolyte in a fully charged battery is that

The electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
The electrolyte is pure distilled water
The electrolyte is pure sulphuric acid
The electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Automobile Engineering in ME