单项选择题
The lights on the outside of the canopy on an inflatable liferaft operate（）.
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
点击查看答案&解析
相关考题
-
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 -
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
