BD Marine Engineer Class 1 (Chief Engineer) Practice Questions - Bangladesh DoS Marine Engineer Officer Class 1 (Chief Engineer) Certificate Of Competency Exam

What is the main danger addressed by fitting a crankcase explosion relief door to a marine diesel engine crankcase?

Overheating of the turbocharger bearings Ignition of an oil mist that has accumulated in the crankcase, typically from a hot spot such as an overheated bearing Excessive fuel rack movement Loss of scavenge air pressure

Correct Answer:

Ignition of an oil mist that has accumulated in the crankcase, typically from a hot spot such as an overheated bearing

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