31. In a petrol engine, the high voltage for spark plug is in the order of September 8, 2025 by Admin 1000 volts 2000 volts 11 kilovolts 22 kilovolts ✅ The correct answer is option D.
32. The composition of the electrolyte in a fully charged battery is that September 8, 2025 by Admin 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 September 8, 2025 by Admin 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 September 8, 2025 by Admin 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 September 8, 2025 by Admin 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 ? September 8, 2025 by Admin Wheels Front axle Steering system Seats ✅ The correct answer is option D.
37. The function of antilock brake system (ABS) is that is September 8, 2025 by Admin 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. September 8, 2025 by Admin air automatic transmission fluid (ATF) gears steel belt ✅ The correct answer is option B.
39. An oil filter bypass valve opens when the September 8, 2025 by Admin 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 September 8, 2025 by Admin 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.