單項(xiàng)選擇題A vessel is equipped with cross-connected deep tanks.In which situation should the crossconnection valve be closed?（）.

A.The tank lie above the waterline and are filled
B.The tank are partically filled with dry cargo
C.The tanks are partially filled with liquid cargo
D.The tanks are filled and lie below the waterline


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1.單項(xiàng)選擇題A vessel is listed when it is（）.

A.down by the head
B.down by the stern
C.inclined due to off-center weight
D.inclined due to wind

2.單項(xiàng)選擇題A vessel is tender if cargo weight is（）.

A.concentrated high and the double bottoms empty
B.concentrated low and the double bottoms empty
C.evenly distributed vertically with the double bottoms full
D.concentrated and with the double bottoms full

4.單項(xiàng)選擇題A vessel with a large GM will（）.

A.have a small amplitude of roll in heavy weather
B.tend to ship water on deck in heavy weather
C.be subject to severe racking stresses
D.be less likely to have cargo shift

5.單項(xiàng)選擇題A vessel with a large GM will（）.

A.have more resistance to listing in case of damage
B.have less tendency to have synchronous rolling
C.ba less likely to have cargo shift
D.ride more comfortabley