Automobile Engineering in ME
The cam shaft in an engine is always mounted

Perpendicular to the crankshaft
None of these
Inclined to the crankshaft
Parallel to the crankshaft

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

It is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
It cools the engine by blowing air onto the cylinder block
It blows air through the radiator when necessary
It draws heat out of the engine compartment

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Automobile Engineering in ME
The function of a proportioning control valve (PCV) in a brake system is to

Cause less brake fluid pressure to act on the front brakes than on the rear brakes when the fluid pressure exceeds a predetermined level
Cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level
Reduce the brake fluid pressure when the brakes approach their lockup point
Ensure that equal pressure is supplied to the front and rear brakes throughout every braking operation

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