USCG USCG General Eng
Set 13 • Question #135 of 498
Launch Interactive Practice Room An axial piston, variable stroke pump is used in a vessel's hydraulic steering gear. Under pressure, oil continually leaks out from between the valve plate/ cylinder barrel and will __________.
A
cause loss of hydraulic oil from the system
B
result in extreme damage to the pump
C
cause damage to the pump if not continually drained from the pump casing
✓ Correct Answer
D
result in the system high side pressure to substantially drop off
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'An axial piston, variable stroke pump is used in a vessel's hydraulic steering gear. Under pressure, oil continually leaks out from between the valve plate/ cylinder barrel and will', the standard operating requirement is: 'cause damage to the pump if not continually drained from the pump casing'.
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