31. In a petrol engine, the high voltage for spark plug is in the order of
1000 volts
2000 volts
11 kilovolts
22 kilovolts
✅ The correct answer is option D.
Automobile Engineering MCQs
32. The composition of the electrolyte in a fully charged battery is that
the electrolyte is pure distilled water
the electrolyte is pure sulphuric acid
the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
the electrolyte is a m
✅ The correct answer is option C.
33. The main feature of MacPherson strut suspension is that
the vertical size of the suspension can be made more compact
non-vertical external forces are supported by the suspension arms
the unsprung mass in lighter
the assembly is slight
✅ The correct answer is option B.
34. The condition that results in large quantities of CO emission is
insufficient air during combustion
insufficient fuel during combustion
low temperature combustion
high temperature combu
✅ The correct answer is option A.
35. The size of engine cylinder is referred in terms of its
diameter and bore
displacement and efficiency
bore and stroke
bore and length
✅ The correct answer is option C.
36. Which of the following is not a part of the chassis ?
Wheels
Front axle
Steering system
Seats
✅ The correct answer is option D.
37. The function of antilock brake system (ABS) is that is
reduces the stopping distance
minimises the brake fade
maintains directional control during braking by preventing the wheels from locking
prevents nose dives du
✅ The correct answer is option C.
38. The torque converter uses __________ to transfer torque.
air
automatic transmission fluid (ATF)
gears
steel belt
✅ The correct answer is option B.
39. An oil filter bypass valve opens when the
engine is cold
engine overheats
oil filter becomes clogged
engine runs at high sp
✅ The correct answer is option C.
40. The purpose of a thermostat in an engine cooling system is to
prevent the coolant from boiling
allow the engine to warm up quickly
indicate the coolant temperature
pressurise the system
✅ The correct answer is option B.