Multiple fire pumps may be used for other purposes provided that one pump is（）.<br>A:on line to the fire main<br>B:kept available for use on the fire main at all times<br>C:capable of being connected to the fire main<br>D:rated at or above 125 psi

Multiple fire pumps may be used for other purposes provided that one pump is（）.
A:on line to the fire main
B:kept available for use on the fire main at all times
C:capable of being connected to the fire main
D:rated at or above 125 psi

出自：海船船员证

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