单项选择题
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
The bosun has thrown the liferaft into the water before...
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
The air spaces in the floor of an inflatable liferaft w...
单项选择题The air spaces in the floor of an inflatable liferaft will provide protection against（）.
A.asphyxiation from CO2 B.loss of air in the sides of the raft C.rough seas D.cold water temperatures
