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

Mechanical Engineering : Automobile Engineering - Quiz(MCQ)

warm up and lubricate the pump

pressurise the fuel system before the engine is started

enable the pump's fault-diagnosis function to operate

supply a large amount of fuel and thereby create a choke effect

Correct Answer : Option (B) : pressurise the fuel system before the engine is started

Recently Updated in Automobile Engineering Questions

Which of the following terms is used to express Ignition advance?

Crank angle

Time in milliseconds

Millimetres of piston travel before TDC

All of the above

Correct Answer : All of the above

Explanation : Ignition advance can be expressed in terms of any of the following.

Which of the following material is used to make connecting rod?

Forged steel

Tool steel

Cast iron

Mild steel

Correct Answer : Forged steel

Explanation : Connecting rod is made of forged steel.

Which of the following is defined as the escape of burned gases from the combustion chamber past the pistons and into the crankcase?

Gas loss

By pass

Blow by

Passed gas

Correct Answer : Blow by

Explanation : Blow by is the surging of burned gases from the combustion chamber into the crankcase.