单项选择题

The inside light in an inflatable liferaft is turned on（）.

A.automatically as the liferaft inflates
B.with a switch near the boarding handle
C.at night because the light has a photosensitive switch
D.by screwing the bulb in after the raft is inflated

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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

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