Automobile Engineering in ME
Vulcanizing means

Heating rubber under pressure
None of the listed here
Melting rubber while stirring it
Spraying with special paint

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Automobile Engineering in ME
The main task of a battery in automobiles is to

Supply electricity to the alternator
Supply electricity to the vehicle's electrical system at all times while the engine is running
Supply a large amount of power to turn the starter motor when the engine is being started
Act as a reservoir or stabilizer of electricity

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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

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

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