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單項選擇題

Vessels lying afloat at buoys for more than 24 hours should use anchor chain for（）and insurance wire for（）.

A.bow mooring／stern line
B.forward spring／after spring
C.forward breast rope／forward spring
D.slip rope／stern line

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單項選擇題

The wooden plug inserted in the vent of a damaged tank should be removed if you are going to （）.

A.pump from the damaged tank
B.fight a fire
C.abandon ship
D.use the crossover system

單項選擇題

The two courses of action if the underwater hull of a ship is severely damaged are to plug the openings and to（）.

A.dewater the compartment
B.establish and maintain flooding boundaries
C.secure power to the compartment
D.counter flood to maintain even keel

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