Automobile Engineering in ME
In order to implement gear changes in the gear unit of an automatic transmission, a ___________ is used.

Planetary gear
Hydraulic multi plate clutch
Magnetic clutch
Synchronizer

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Automobile Engineering in ME
The function of oil control rings is that it

Keeps the cylinder wall lubricated by holding oil in its channel
Lubricates the cylinder wall by releasing oil from its hole
Prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan
Maintains a seal and prevents escape of burned gases and oil leakage

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Automobile Engineering in ME
The path taken by intake air is

Air cleaner carburettor (or throttle body) intake ports intake manifold cylinders
Air cleaner carburettor (or throttle body) intake manifold intake ports cylinders
Carburettor (or throttle body) air cleaner intake manifold intake ports cylinders
Air cleaner intake manifold carburettor (or throttle body) intake ports cylinders

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