Automobile Engineering in ME
The main feature of Macpherson strut suspension is that

The unsprung mass in lighter
Non vertical external forces are supported by the suspension arms
The vertical size of the suspension can be made more compact
The assembly is slightly more complicated in design

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

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

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