USCG USCG General Eng
Set 12 • Question #98 of 498
Launch Interactive Practice Room When the hydraulic control lever for a deck winch is placed in the neutral or off position, the spring set brake on the fluid motor drive shaft is __________.
A
engaged by spring action and only released by hydraulic pressure
✓ Correct Answer
B
released by spring action and hydraulically locks the winch when the drum ceases rotating
C
engaged by spring action and is insured to be locked in place by hydraulic pressure
D
opened hydraulically and held open by spring action whenever the electrical supply is secured
USCG NMC Regulatory Explanation
In USCG Marine Engineering General Subjects, for engine room systems involving 'When the hydraulic control lever for a deck winch is placed in the neutral or off position, the spring set brake on the fluid motor drive shaft is', the standard operating requirement is: 'engaged by spring action and only released by hydraulic pressure'.
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