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 : 36
The condition that results in large quantities of CO emission is

Insufficient air during combustion

Insufficient fuel during combustion

Low temperature combustion

High temperature combustion

Question No : 37
A battery can be charged by

Adding distilled water

Adding sulphuric acid

Applying voltage in the reverse direction to that of charging

Applying a voltage in the same direction to that of charging

Question No : 38
The purpose of a balancer shaft is to

Balance the timing in the movement of the two groups of pistons

Increase inertia force of the rotating crankshaft

Reduce vibrations caused by the crankshaft rotation

Adjusts the timing of the intake and exhaust valve openings

Question No : 39
The discharged lead acid battery has on its plates

Lead peroxide (PbO₂)

Spongy lead (Pb)

Lead sulphate (PbSO₄)

Sulphuric acid (H₂SO₄)

Question No : 40
Which one of the following statements correctly describes the construction of a planetary gear type differential?

The six planetary pinions rotate in constant mesh with the internal gears.

One drive shaft is splined to the central gear and the other to the planetary gear.

Each planetary pinion gear meshes with both the central gear and the internal gear.

The internal gear is fixed to the planetary gear.

Question No : 41
The connecting rod lower end is connected to the relevant ________ of crankshaft.

Big end

Crank arm

Journal

Small end

Question No : 42
The function of an alternator in an automobile is to

Supply electric power

Converts mechanical energy into electrical energy

Continually recharges the battery

Partly converts engine power into electric power