GMA CoC EOOW Practice Questions - Ghana Maritime Authority Certificate Of Competency - Engineer Officer Of The Watch Exam

What is the immediate action to take if a scavenge space fire is detected in a running main propulsion diesel engine?

Slow down the engine, cut off fuel to the affected cylinder(s), close the scavenge air drains, and inject extinguishing medium (such as CO2 or steam). Stop the engine immediately and open all crankcase inspection doors to check for overheating. Increase engine speed to blow the carbon deposits out through the exhaust gas receiver. Open the scavenge air drains fully to drain the accumulating lube oil and relieve pressure.

Correct Answer:

Slow down the engine, cut off fuel to the affected cylinder(s), close the scavenge air drains, and inject extinguishing medium (such as CO2 or steam).

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