MECHANIC DIESEL MULTIPLE CHOICE QUESTIONS (MCQ)

MECHANIC DIESEL MULTIPLE CHOICE                              QUESTIONS (MCQ)

Which of the following engine

power is more power?

a) Internal Combustion Engine

b) External Combustion Engine

c) Both (a) &(b)

d) None of these

Answer:- a) Internal Combustion Engine

Engine valves are mounted ......

a) On Cylinder Block or Cylinder Head

b) Inside the cylinder
c) On crank case

d) None of these

Answer:- a) On Cylinder Block or Cylinder Head

Which of the following is used for

housing of crank shaft and cam shaft?
a)  Crank case

b)  Cylinder lining

c)  Piston ring

d)  Piston pin

Answer:- a)Crank case

Radiator of the which of engine is

small in size -

a) Petrol Engine

b) Diesel Engine

c) Both (a) &(b)

d) None of these

Answer:- a) Petrol Engine

Which of the engine has lesser

compression ratio?

a) Petrol Engine

b) Diesel Engine

c) Both (a) &(b)

d) None of these

Answer:- a) Petrol Engine

Which of the following is the part

of fuel feed system?
a) Fuel tank

b) Fuel filter

c) Fuel gauge

d) All of these

Answer:- d) All of these

Engine valves are opened by ...........

a) Cam shaft

b) Crank shaft

c) Rocker Arm

d) Valve Guide

Answer:- a) Cam shaft

In a petrol engine, if diesel is used,

 then the engine will ...........

a) Not run

b) Run more efficiently

c) Run at high speed

d) Explode

Answer:- a) Not run

What will happen due to abnormal

wear of oil ring of a piston?

a) High oil viscosity

b) More oil consumption

c) High oil pressure

d) Low pump pressure

Answer:- b) More oil consumption

The purpose of providing drain

plug in Air compressor is ............

a) To drain out oil

b) To drain out condensed water

c) To drain out air

d) To drain out coolant

Answer:- b) To drain out condensed water