Automobile Engineering MCQ Question with Answer

Automobile Engineering MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

Question No : 43
The condition that causes vapour locking in a brake system is

Overheating of the fluid due to frequent brake application

Overcooling of the brakes during high speed driving

Keeping the vehicle without use for an extended period

An excessively high engine speed on a downhill road

Question No : 44
The capacity of a battery is usually expressed in terms of

Volts

Amperes

Weight

Ampere hours

Question No : 45
The ignition in a spark ignition engine takes place when the piston is

Exactly at the T.D.C. position on its compression stroke

Approaching the T.D.C. position on its compression stroke

Leaving the T.D.C. position on its compression stroke

Approaching the T.D.C position on its exhaust stroke

Question No : 46
The caster is called positive when the top of the king pin is inclined to the

Rear of the vehicle

Front of the vehicle

Left of the vehicle

Right of the vehicle

Question No : 47
The combustion process in a Diesel engine is a

Constant volume process

Constant pressure process

Constant temperature process

Adiabatic process

Question No : 48
Which of the following parameter can be adjusted by modifying the tie rod attachment length?

Camber

Caster

Toe

Steering gear ratio

Question No : 49
The octane number of compressed natural gas (CNG) is

100

110

120