USCG USCG General Eng
Set 1 • Question #28 of 498
Launch Interactive Practice Room A centrifugal bilge pump requires priming __________.
A
primarily to lubricate the shaft seals
B
due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller
✓ Correct Answer
C
to initially unload the pump by having its head pressure equal to discharge pressure
D
in order to overcome the potential energy of water in the discharge line
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'A centrifugal bilge pump requires priming', the standard operating requirement is: 'due to the inability of this type of pump to lift water to cover the suction (eye) of the impeller'.
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