81. In a four wheel drive (4WD), the number of gear boxes are
1
2
3
4
✅ The correct answer is option B.
Automobile Engineering MCQs
82. The calorific value of Diesel is about
36.5 MJ/kg
38.5 MJ/kg
42.5 MJ/kg
45.5 MJ/kg
✅ The correct answer is option C.
83. The function of a governor in automobiles is to
limit the power
limit the vehicle speed
maintain constant engine speed
maximise the fuel econ
✅ The correct answer is option C.
85. The compression ratio in Diesel engines is less than the petrol engine.
Agree
Disagree
✅ The correct answer is option B.
86. The braking control type traction control system (TCS) generally operates in the speed range of
less than 20 kmph
less than 40 kmph
less than 60 kmph
more than 60 kmph
✅ The correct answer is option B.
87. Damper in an automobile is used to
absorb the energy
dissipate the energy
release the energy
increase the energy
✅ The correct answer is option B.
88. The crankcase dilution means
dilution of fuel in the crankcase
dilution of oil by water in the crankcase
dilution of lubrication oil by fuel in the crankcase
dilution of mixture pa
✅ The correct answer is option C.
89. The valve tappet clearance is measured by
screw pitch gauge
engineering scale
feeler gauge
vernier caliper
✅ The correct answer is option C.
90. The material generally used for cylinder sleeves is
aluminium
ceremic
cast iron
fibre reinforced plast
✅ The correct answer is option C.