Motor Plants & Auxiliary Boilers USCG Question #178 (Set 4)

A dry-type exhaust silencer clogged with soot, will cause __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — loss of engine power

Soot accumulation within a dry-type exhaust silencer increases backpressure, restricting the escape of combustion gases and impairing volumetric efficiency, ultimately resulting in a noticeable loss of engine power.

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