Motor Plants & Auxiliary Boilers USCG Question #611 (Set 13)

What is the normal bearing clearance permitted at the horizontal axis of the shaft for the bearing shown in the illustration? Illustration MO-0121

USCG Exam Illustration MO-0121
USCG Examination Diagram: Illustration MO-0121
Official USCG Answer & Rule Citation

Correct Answer: Option C — The normal play on both sides of the shaft will be one tenth of a millimeter.

Under USCG National Maritime Center examination standards, the accepted correct answer is: The normal play on both sides of the shaft will be one tenth of a millimeter..

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