单项选择题

The hydrostatic release on the inflatable liferafts on a fishing vessel must be（）.

A.replaced annually
B.tested monthly
C.serviced annually
D.overhauled quarterly

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单项选择题

The capacity of any liferaft on board a vessel can be determined by（）.

A.examining the Certificate of Inspection
B.examining the plate on the outside of the raft container
C.referring to the station bill
D.referring to the shipping articles

单项选择题

The bosun has thrown the liferaft into the water before abandoning the vessel. The operating cord（）.

A.serves as a sea painter
B.detaches from the liferaft automatically
C.is used to rig the boarding ladder
D.is cut immediately as it is of no further use