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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Automobile Engineering in ME
Wheel base of a vehicle is the

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

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Automobile Engineering in ME
The major purpose of an electronically controlled automatic transmission is that this type of transmission

Eliminates gear clutches
Reduces the number of automatic transmission components
Eliminates the gear shaft lever
Reduces shift shock and achieves more efficient transmission of engine torque

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