Progressive flooding may be indicated by（）.

单项选择题An inflatable liferaft can be launched by（）.

A.the float-free method ONLY
B.breaking the weak link on the painter
C.throwing the entire container overboard and then pulling on the operating cord to inflate the raft
D.removing the securing straps

单项选择题An inflatable liferaft is hand-launched by（）.

A.pulling a cord
B.cutting the wire restraining bands
C.removing the rubber packing strip
D.throwing the entire container overboard

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

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