Practice question

What is the function of the governor in a mechanical diesel fuel injection pump assembly?

To filter out water from the diesel fuel.
To control engine speed and limit over-speed by regulating the amount of fuel delivered by the injection pump.
To heat the diesel fuel during cold starts.
To adjust the valve clearance automatically.

Answer: B — To control engine speed and limit over-speed by regulating the amount of fuel delivered by the injection pump.

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