Motor Plants & Auxiliary Boilers USCG Question #1392 (Set 28)

A six-cylinder, four-stroke cycle diesel engine is fitted with a rotary distributor type air starting system. The speed of the rotating distributor disc is __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — one-half engine speed

Under USCG National Maritime Center examination standards, the accepted correct answer is: one-half engine speed.

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