Automobile Engineering Questions with Answers

25-Damper is used to
(A) Absorb the energy
(B) Dissipate the energy
(C) Release the energy
(D) Increase the energy
[expand title=“View Answer“](B) Dissipate the energy[/expand]
 
26-A differential uses __________ gear train.
(A) simple
(B) epicyclic
(C) reverted
(D) compound
[expand title=“View Answer“](B) epicyclic[/expand]
 
27-The operation of removing trapped air from hydraulic braking system is known as
(A) tapping
(B) bleeding
(C) skidding
(D) none
[expand title=“View Answer“](B) bleeding[/expand]
 
28-The efficiency of mechanical brakes is usually
(A) 99%
(B) 95-98%
(C) 85-95%
(D) 60-70%
[expand title=“View Answer“](D) 60-70%[/expand]
 
29-Gudgeon pins are made of
(A) Same material as that of piston
(B) Cast iron
(C) White meta
(D) Steel
[expand title=“View Answer“](A) Same material as that of piston[/expand]
 
30-The king pin inclination is usually
(A) Less than ½°
(B) Between 1° and 2°
(C) Between 2° and 5°
(D) None
[expand title=“View Answer“](C) Between 2° and 5°[/expand]
 
31-The function of an oil control orifice is that it
(A) Returns cylinder head lubricating oil to the oil pan at high speed
(B) Turns the oil fine mist for spray lubrication
(C) Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes
(D) Removes impurities from cylinder head lubricating oil
[expand title=“View Answer“](C) Regulates the pressure of engine oil supplied by the oil pump for the lubrication of cylinder head mechanism and other purposes[/expand]
 
32-An automobile tire will wear rapidly in case
(A) It is overloaded
(B) It is misaligned
(C) It is incorrectly inflated
(D) Any of the above
[expand title=“View Answer“](D) Any of the above[/expand]
 
33-The diesel engines as compared to petrol engine require
(A) Bigger flywheel
(B) Smaller flywheel
(C) Same sized flywheel
(D) No flywheel
[expand title=“View Answer“](A) Bigger flywheel[/expand]
 
34-The oil pump is driven by
(A) Camshaft
(B) Alternator shaft
(C) Crankshaft via belt drive
(D) Crankshaft directly
[expand title=“View Answer“](D) Crankshaft directly[/expand]
 
35-Which one of the following car body shapes has the largest internal dimensions?
(A) Coupe
(B) Saloon
(C) Estate
(D) Convertible
[expand title=“View Answer“](C) Estate[/expand]
 
36-The heat transfer from coolant to air in the radiator of an automobile engine takes place by
(A) Radiation only
(B) Convection only
(C) Convection and radiation
(D) Conduction, convection and radiation
[expand title=“View Answer“](C) Convection and radiation[/expand]