Engine: Motor Plants and Auxiliary Boilers

Question 1,199 of 947

If the speed of the propeller is 135 RPM, the speed of the engine camshaft shown in the illustration will be __________. Illustration MO-0003

USCG illustration MO-0003 for Engine Motor Plants and Auxiliary Boilers question 1199 — Illustration MO-0003

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Comments from mariners who studied this question.

mg mgranger75 · Jan 11, 2017

Shouldn't it be variable depending on the ratio of the engine rpm and prop rpm? A reduction gear ratio is never given nor does the question state whether or not there is a reduction gear.