單項選擇題An emergence sea anchor may be constructed by type of extinguisher?（）.

A.a boat bucket
B.an air tank filled with water
C.an oar and canvas weighted down
D.All of the above


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1.單項選擇題An engine compartment gasoline fire requires which type of extinguisher?（）.

A.Carbon dioxide
B.Dry chemical
C.Foam
D.All of the above

2.單項選擇題An example of a messenger is a（）.

A.fairlead
B.heaving line
C.stay
D.warp

3.單項選擇題An inflatable life raft can be launched by（）.

A.the floating-free method only
B.breaking the weak link on the painter
C.throwing the entire container overboard and then pulling an the operating
D.removing the securing straps

4.單項選擇題An inflatable life raft is hand-launched by（）.

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

5.單項選擇題An inflation life raft is thrown into the water from a sinking vessel, what occurs automatically after the painter trips the C02 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