Automobile Engineering in ME
The process of supplying the intake air to the engine cylinder at a pressure greater than the pressure of the surrounding atmosphere is known as

Scavenging
Detonation
Supercharging
Auto ignition

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Automobile Engineering in ME
In bias ply tyres

All of these
One ply layer runs diagonally one way and another layer runs diagonally the other way
Belts of steel mesh are used in the tyres
All plies run parallel to one another

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Automobile Engineering in ME
The fuel pump of a programmed fuel injection (PFI) system operate for two seconds when the ignition is turned to the start position to

Pressurise the fuel system before the engine is started
Supplies a large amount of fuel and thereby creates a choke effect
Enable the pump's fault diagnosis function to operate
Warm up and lubricate the pump

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