Assistant Engineer OSV Practice Questions - USCG Assistant Engineer Of Offshore Supply Vessels (OSE02) Exam

What is the chief function of scavenging in a two-stroke-cycle marine diesel engine?

To inject fuel at the correct crank angle To remove burned exhaust gases and replace them with fresh air To circulate lube oil to the wrist pin To cool the fuel injector tip between firings

Correct Answer:

To remove burned exhaust gases and replace them with fresh air

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