Automobile Engineering in ME
If the valve clearances are excessively large, the problem that can arise is

None of the listed here
Fouling of spark plug by gasoline
Incomplete valve closure
Overheating of the engine

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Automobile Engineering in ME
The rigid suspension is beneficial when

It is desired to reduce the unsprung mass
It is desired to improve tyre to ground contact characteristics
It is desired to have more flexibility in design
Large changes in load make it necessary to have a large suspension stroke

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Automobile Engineering in ME
The basic function of the suspension is to

Ensure that wheel alignment is not disturbed during driving
Ensure that the steering wheel can deliver a suitable amount of steering force
Automatically correct the effects of over steering
Absorbs vibration and impact forces from the road surface

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