Automobile Engineering in ME
The function of a radiator fan in the cooling system is that

It draws heat out of the engine compartment
It is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
It cools the engine by blowing air onto the cylinder block
It blows air through the radiator when necessary

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

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