Assistant Engineer Limited AEL Practice Questions - USCG Assistant Engineer-Limited Of Steam, Motor, And Or Gas Turbine-Propelled Vessels Exam

What is the primary purpose of scavenging in a two-stroke-cycle marine diesel engine?

To inject fuel at the correct crank angle To circulate lube oil to the wrist pin and crosshead To remove burned exhaust gases from the cylinder and replace them with fresh air 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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