单项选择题
A.by turning the globe clockwise B.by a switch at each light C.by a light sensor D.automatically when the raft is inflated
The inside light in an inflatable liferaft is turned on...
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
The hydrostatic release on the inflatable liferafts on ...
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
The capacity of any liferaft on board a vessel can be d...
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
