Motor Plants & Auxiliary Boilers USCG Question #220 (Set 5)

In describing engine operation, what does the term "cycle" mean?

Official USCG Answer & Rule Citation

Correct Answer: Option B — The sequence of events that produce a power pulse.

An engine cycle is defined as the complete sequence of operational events, including intake, compression, power, and exhaust, that culminate in the production of a power pulse. Understanding this thermodynamic sequence is essential for chief engineer licensing examinations.

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