Questions and Answers
31.The path taken by intake air is
air cleaner - carburettor (or throttle body) - intake manifold - intake ports - cylinders
32.In a square type engine
Stroke length and cylinder bore are same
Note:-Square engine may refer to a square four engine, which is a U engine in which two parallel-twin engines are coupled together.
33.The ignition in a spark ignition engine takes place when the piston is
approaching the T.D.C. position on its compression stroke.
34.The camshaft is driven by the
crankshaft via the timing belt.
35.The most commonly used power plant in automobiles is
I.C. engine
36.The condition that results in large quantities of CO emission is
insufficient air during combustion.
37.The sequence order of events in a four-stroke engine is
suction- compression – power - exhaust
38.Which of the following is not a part of the chassis ?
Seats.
Note:-automobile chassis is a skeletal frame on which various mechanical parts like engine, tires, axle assemblies, brakes, steering etc are bolted
39.The capacity of a battery is usually expressed in terms of
ampere-hours.
40.Vulcanizing means
heating rubber under pressure
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