41. The negative plates of a lead acid battery has lead peroxide (PbO2) spongy lead (Pb) lead sulphate (PbSO4) sulphuric acid (H2SO4) ✅ The correct answer is option B.
42. The main function of a resonator is that it regulates the intake air flow rate reduces the intake air noise . enhances intake efficiency regulates the intake a ✅ The correct answer is option B.
43. The device for smoothening out the power impulses from the engine is called clutch differential flywheel torque converter ✅ The correct answer is option C.
44. The basic purpose of providing caster angle on wheels is to prevent uneven tyre wear maintain directional control bring the road contact of the tyre under the point of load compensate for wear in ✅ The correct answer is option B.
45. The sequence order of events in a four-stroke engine is suction – exhaust – power – compression suction – power – compression – exhaust suction – compression – power – exhaust exhaust – compression ✅ The correct answer is option C.
46. The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of section width to section height section height to section width wheel diameter to section height wheel diameter to sect ✅ The correct answer is option B.
47. The clutch is located between the transmission and the engine rear axle propeller shaft differential ✅ The correct answer is option A.
48. The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be R 2 R 4R 4 R2 ✅ The correct answer is option C.
49. A heat treated glass generally used in automobiles bursts into __________ upon cracking, sharp edged fragments small particles ✅ The correct answer is option B.
50. In Diesel engines, during suction stroke, __________ is drawn in the cylinder. air and fuel only fuel only air none of these ✅ The correct answer is option C.