单项选择题
A.the call sign and name B.the official number and name C.the port of registry and name D.the port of registry and official number
As a vessel sinks to a depth of 15 feet，the hydrostatic...
单项选择题As a vessel sinks to a depth of 15 feet，the hydrostatic trip releases the liferaft container from its cradle by（）.
A.breaking the weak link B.releasing the tie-down strap C.pulling the operating cord D.releasing the CO2 canister
An inflatable liferaft should be manually released from...
单项选择题An inflatable liferaft should be manually released from its cradle by（）.
A.cutting the straps that enclose the container B.removing the rubber sealing strip from the container C.loosening the turnbuckle on the securing strap D.pushing the button on the hydrostatic release
An inflatable liferaft is thrown into the water from a ...
单项选择题An inflatable liferaft is thrown into the water from a sinking vessel. What occurs automatically after the painter trips the CO2 bottles to inflate the raft?（）.
A.The sea anchor deploys B.The floor inflates C.If upside down，the craft rights itself D.The painter detaches from the raft
