Automobile Engineering in ME
The vehicle ride will be comfortable if

All of the listed here
Unsprung mass is kept minimum
Vehicle mass is kept minimum
Sprang mass is kept minimum

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Automobile Engineering in ME
The function of a first compression ring (top ring) is that it

Creates swirl
Maintains a seal and prevents the fuel leakage
Increases the combustion temperature
Maintains a seal and prevents escape of burned gases and loss of pressure in the combustion chamber

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