AUTOMOBILE ENGINEERING IN ME QUIZ

The ease with which petrol vaporizes is called its

Octane number

Cetane number

Oxidation

Volatility

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The vehicle ride will be comfortable if

All of the listed here

Unsprung mass is kept minimum

Sprang mass is kept minimum

Vehicle mass is kept minimum

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In a four wheel drive (4WD), the numbers of gear boxes are

2

3

4

1

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The main function of an exhaust muffler is the

Reduction of exhaust noise

Optimization of exhaust efficiency

Reduction of nitrogen oxide in the exhaust gases

Reduction of the exhaust gas volume

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The function of a radiator fan in the cooling system is that

It cools the engine by blowing air onto the cylinder block

It blows air through the radiator when necessary

It is turned by wind force as the vehicle moves forward, and its rotation drives the water pump

It draws heat out of the engine compartment

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The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is

Brake pedal, master cylinder, vacuum servo mechanism, brake lines, brake pads

Brake pedal, master cylinder, brake lines, vacuum servo mechanism, brake pads

Brake pedal, brake lines, vacuum servo mechanism, master cylinder, brake pads

Brake pedal, vacuum servo mechanism, master cylinder, brake lines, brake pads

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In a petrol engine, the high voltage for spark plug is in the order of

2000 volts

22 kilovolts

1000 volts

11 kilovolts

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The main merit of a multi cylinder type cylinder sleeve is

None of these

Smaller engine dimensions

Better cooling efficiency

High rigidity

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The main function of the tread pattern on tyre is that

The tread pattern protects the tyre's inner carcass from small stones and pieces of glass

The crests between the tread grooves absorb road noise

In wet conditions, the tread grooves expel water that is drawn between the tyre and road surface

The tread grooves pass air between the tyre and road surface, thereby preventing tyre from overheating

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The mechanical efficiency (ηm) of an I.C. engine is equal to (where I.P. = Indicated power, B.P. = Brake power and F.P. = Frictional power)

F.P/B.P.

I.P/B.P.

P/F.P.

P/I.P.

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