Engineering · Diesel — Governor
An overspeed trip device is provided to:
- AHold idle speed steady
- BShut off fuel (or air) automatically if engine speed exceeds a safe limit✓ Correct
- CIncrease fuel during load pickup
- DSynchronize generators
Explanation
An overspeed trip is an independent safety that cuts fuel and/or closes the air supply if the governor fails and speed runs away, preventing catastrophic mechanical failure.
Authority: Diesel Engines (USCG engineering topic)
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