Automobile Engineering in ME
A basic difference between the spark ignition engine and the Diesel engine is that the

Air temperature ignites the fuel in the Diesel engine
Fuel is sprayed into the combustion chamber in the Diesel engine as the piston nears T.D.C. on the compression stroke
Diesel engine compresses air alone instead of an air-fuel mixture
All of these

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

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

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