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

What is the chief function of scavenging on a two-stroke marine diesel?

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

Correct Answer:

To remove burned gases from the cylinder and replace them with fresh air

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