271. Damper is also known as shock absorber torsion bar spring radius rod ✅ The correct answer is option A.
272. Cushioning springs in clutch plate reduces vehicle speed torsional vibrations jerky starts none of these ✅ The correct answer is option C.
273. The function of positive crankcase ventilation (PCV) system is that it mixes fuel with air promotes combustion by creating a swirling movement in the air-fuel mixture returns blow-by gases from the crankcase to the intake system feeds blow-by gases to ✅ The correct answer is option C.
274. The main function of an exhaust muffler is the optimisation of exhaust efficiency reduction of exhaust noise reduction of nitrogen oxide in the exhaust gases reduction of the exhau ✅ The correct answer is option B.
275. Vulcanizing means heating rubber under pressure spraying with special paint melting rubber while stirring it none of these ✅ The correct answer is option A.
276. In a Diesel engine, the fuel is ignited by an electric spark the heat of compression the hot exhaust none of these ✅ The correct answer is option B.
277. The parking brake generally acts on front wheels rear wheels front and rear wheels propeller shaft ✅ The correct answer is option B.
278. During braking, the brake shoe is moved outward to force the lining against the wheel piston or cylinder anchor pin brake drum wheel rim or axle ✅ The correct answer is option C.
279. The most commonly used power plant in automobiles is gas turbine I.C. engine battery none of these ✅ The correct answer is option B.
280. If the level of tension in the belt is too high, it can result in a loss of power or in bending of the rotating shaft or crankshaft. Correct Incorrect ✅ The correct answer is option A.