USCG USCG General Eng
Set 9 • Question #479 of 498
Launch Interactive Practice Room Which of the following valve arrangements permits the reciprocating pump liquid piston to take suction from the suction chamber, and simultaneously discharge through the discharge chamber during the up and down strokes?
A
Two sets of suction and discharge valves in the liquid cylinder.
B
Two sets of valves, one set each for suction and discharge located in the water chest.
✓ Correct Answer
C
One set of valves in the water chest and another set in the liquid cylinder.
D
Two relief valves, one on each of the liquid cylinder.
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Which of the following valve arrangements permits the reciprocating pump liquid piston to take suction from the suction chamber, and simultaneously discharge through the discharge chamber during the up and down strokes', the standard operating requirement is: 'Two sets of valves, one set each for suction and discharge located in the water chest.'.
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