USCG USCG General Eng
Set 10 • Question #39 of 498
Launch Interactive Practice Room Which of the following statements is/are true regarding hydraulic pumps in general?
A
Variable volumes can be obtained with gear pumps only by variation of the pump drive speed.
✓ Correct Answer
B
A radial piston pump houses sliding pistons in a stationary cylinder block through which passes a rotating pintle or ported shaft.
C
The amount of fluid displaced per revolution of an axial piston rotary pump is maximum when the angle of the tilting box is at right angles to the shaft.
D
All of the above.
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'Which of the following statements is/are true regarding hydraulic pumps in general', the standard operating requirement is: 'Variable volumes can be obtained with gear pumps only by variation of the pump drive speed.'.
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