DDE Unlimited Practice Questions - USCG Designated Duty Engineer (DDE) Unlimited Horsepower Exam

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

To inject fuel at the correct time To remove burned exhaust gases from the cylinder 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 from the cylinder and replace them with fresh air

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