Motor Plants & Auxiliary Boilers USCG Question #1348 (Set 26)

Which type of diesel engine fuel nozzle is shown in the illustration? Illustration MO-0059

USCG Exam Illustration MO-0059
USCG Examination Diagram: Illustration MO-0059
Official USCG Answer & Rule Citation

Correct Answer: Option A — Multi-hole

The nozzle features multiple small spray orifices arranged circumferentially to atomize fuel thoroughly throughout the combustion chamber, standard for large direct-injection marine diesel engines.

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