Automobile Engineering in ME
In bias ply tyres

All plies run parallel to one another
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

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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

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

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