USCG USCG General Eng
Set 4 • Question #327 of 498
Launch Interactive Practice Room The usual number of single-acting pistons used in a variable stroke axial-piston pump is __________.
A
3 or 5
B
5 or 7
C
7 or 9
✓ Correct Answer
D
9 or 11
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'The usual number of single-acting pistons used in a variable stroke axial-piston pump is', the standard operating requirement is: '7 or 9'.
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