USCG USCG General Eng
Set 14 • Question #159 of 498
Launch Interactive Practice Room Short cycling of the potable water pump is avoided by the proper use of a __________.
A
hydro-pneumatic tank completely filled with compressed air at system operating pressure
B
hydro-pneumatic tank filled with water
C
charge of air, at 20 psi (137.9 kPa) above system pressure with the hydro-pneumatic tank one quarter full of water
D
charge of air, at system pressure, when the hydro-pneumatic tank is half full of water
✓ Correct Answer
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Short cycling of the potable water pump is avoided by the proper use of a', the standard operating requirement is: 'charge of air, at system pressure, when the hydro-pneumatic tank is half full of water'.
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