Top 350+ Solved Automobile Engineering MCQ Questions Answer
Q. The firing order in case of four cylinder in-line engines is uaually
a. 1-2-4-3
b. 1-3-4-2
c. 1-4-3-2
d. Either (A) or (B)
e. Either (B) or (C)
Q. The power developed in four stroke I.C. engine, for the same engine speed and cylinder volume, as compared to that of a two stroke engine is
a. two times
b. equal
c. one half
d. none of the above
e. None of the above
Q. Power assisted brakes are often provided on
a. motor cycles
b. air cooled engine vehicles
c. slow speed vehicles like road rollers et
d. heavy duty vehicles
e. None of the above
Q. The magneto in an automobile is basically
a. Magnetic circuit
b. Transistor
c. A.C. generator
d. D.C. generator
e. Capacitor
Q. Mixing of fuel and air in case of a diesel engine occurs in
a. Injector
b. Engine cylinder
c. Inlet valve
d. Fuel pump
e. Inlet manifold
Q. The minimum cranking speed in petrol engines is
a. 2 - 3 rpm
b. Equal to the normal operating speed
c. 60 - 80 rpm
d. Half of operating speed
e. One fourth of operating speed
Q. The function of a governor in automobile is to
a. Limit the power
b. Maintain constant engine speed
c. Effect maximum fuel economy
d. Maintain constant engine speed when the vehicle speed changes
e. Limit the speed
Q. The term master cylinder is associated with
a. Braking system
b. Starting mechanism
c. Engine
d. Lubrication system
e. Cooling cylinder
Q. Ignition advance in S.I. engine is not the direct function of
a. mixture strength
b. compression ratio
c. grade of petrol
d. load on engine
e. None of the above
Q. As carbon accumulates in a cylinder it causes an increase in
a. Clearance volume
b. Ignition time
c. Volumetric efficiency
d. Piston displacement
e. Effective compression ratio
Q. The speed of the engine is increased or decreased by operating
a. Throttle valve
b. Choke valve
c. Steering
d. Clutch
e. Any of the above
Q. Ethyl fluid is used as
a. To improve lubricating quality of fuel
b. To increase octane rating of fuel
c. As a detonating agent
d. To increase cetane rotary of fuel
e. As a superior type of fluid compared to others