USCG USCG Motor
Set 12 • Question #111 of 382
Launch Interactive Practice Room At the beginning of the prepurge period on an automatic auxiliary boiler equipped with a programmed control system, the unit will not restart if airflow is not sensed and __________.
A
the damper is not sufficiently opened
✓ Correct Answer
B
the damper is not fully closed
C
oil pressure is not sensed
D
water pressure is not sensed
USCG NMC Regulatory Explanation
In USCG Motor Plants (Diesel Engineering), regarding 'At the beginning of the prepurge period on an automatic auxiliary boiler equipped with a programmed control system, the unit will not restart if airflow is not sensed and', the correct operational principle is: 'the damper is not sufficiently opened'.
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