Automobile Engineering in ME
The purpose of a cylinder head gasket is to

Prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head
None of these
Removes impurities from cylinder head lubricating oil
Prevent engine oil from going into combustion chamber

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Automobile Engineering in ME
The rigid suspension is beneficial when

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

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