Engine Safety (Supplementary) USCG Question #2 (Set 1)

Forcing the exhaust gases from the cylinder of an operating two cycle diesel engine with the aid of a blower is known as __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — scavenging

Scavenging in a two-cycle diesel engine describes the process of displacing residual combustion gases from the cylinder using compressed air supplied by a blower, clearing the chamber to prepare for the subsequent fresh air charge.

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