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
Prevent engine oil from going into combustion chamber
Removes impurities from cylinder head lubricating oil
None of these

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Automobile Engineering in ME
Wheel base of a vehicle is the

Extreme length of the vehicle
Distance between the centres of the front and rear wheels
Distance between the centres of the rear tyres
Distance between the centres of the front tyres

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Automobile Engineering in ME
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

Pressurise the fuel system before the engine is started
Supplies a large amount of fuel and thereby creates a choke effect
Enable the pump's fault diagnosis function to operate
Warm up and lubricate the pump

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