Automobile Engineering Multiple Choice Questions

Automobile Engineering Multiple Choice Questions

1-The process in which hydrocarbons and decomposed into smaller hydrocarbons is called

(A) Isomerization

(B) Evaporation

(C) Cracking

(D) Reforming


2-Four strokes of an IC engine need ___ degrees of Crank rotation.

(A) 180°

(B) 360°

(C) 540°

(D) 720°


3-The method of governing used in petrol engines is

(A) quantitative governing

(B) hit and mass governing

(C) combined governing

(D) qualitative governing


4-The power available at the Crankshaft for useful work is

(A) Brake power

(B) Indicated power

(C) Total power

(D) Friction power


5-Normal heptane

(A) helps to resist auto ignition

(B) accelerates auto ignition

(C) retards auto ignition

(D) does not affect auto ignition


6-A square engine

(A) has two cylinders horizontal and two cylinders vertical

(B) has four cylinders

(C) has cylinders arranged in square shape

(D) has cylinder bore equal to stroke length


7-The thermal efficiency of a two stroke cycle engine as compared to a four stroke cycle engine is

(A) same

(B) more

(C) less

(D) more up to certain load and then less


8-The friction that occurs between the layers of oil is called

(A) solid friction

(B) greasy friction

(C) viscous friction

(D) boundary friction


9-which of the following are correct pair pistons for a 6 cylinder in line engine

(A) 1-4, 2-6, 3-5

(B) 1-5, 4-6, 2-3

(C) 1-6, 2-5, 3-4

(D) 1-2, 3-4, 5-6


10-Correct sequence of coolant circulation in an IC Engine cooling system is

(A) pump – head – radiator – block

(B) pump – radiator – head – block

(C) pump – block – head – radiator

(D) pump – block – radiator – head



1-(C), 2-(D), 3-(A), 4-(A), 5-(B), 6-(D), 7-(C), 8-(D), 9-(A), 10-(B)