111. One effect of detonation is
delay in ignition
loss of power
overheating of engine
overcooling of engine
✅ The correct answer is option B.
Automobile Engineering MCQs
112. The acid used in automobile battery is
hydrochloric acid
hydrofluoric acid
nitric acid
sulphuric acid
✅ The correct answer is option D.
113. If a tyre is designated as 175/65 R14 82 S, then the aspect ratio for the tyre is
175
65
14
82
✅ The correct answer is option B.
114. Tachometer in a vehicle measures
speed
distance
engine r.p.m.
fuel consumption
✅ The correct answer is option C.
115. In a hydraulic power steering system, the power steering pump is driven by a
belt-driven by camshaft
chain-driven by crankshaft
belt-driven by driveshaft
belt-driven by cranksh
✅ The correct answer is option D.
116. In a single dry plate clutch, torsional vibrations are absorbed by
coil springs known as torsional springs
cushion springs
central hub
clutch pedal
✅ The correct answer is option A.
117. The connecting rod lower end is connected to the relevant __________ of crankshaft.
big end
crank arm
journal
small end
✅ The correct answer is option C.
118. The basic function of the suspension is to
absorb vibration and impact forces from the road surface
ensure that the steering wheel can deliver a suitable amount of steering force
ensure that wheel alignment is not disturbed during driving
automatically correct
✅ The correct answer is option A.
119. The compression ratio of a petrol engine is nearly
4:01
8:01
15:01
20:01
✅ The correct answer is option B.
120. In vehicles with tilt steering, the steering column is pivoted in
upper bracket
lower bracket
tilt bracket
steering yoke joint
✅ The correct answer is option B.