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單項(xiàng)選擇題

In practice，it is usual for the ship to be loaded（）to improve the vessel’s movement through the water.

A.a little deeper aft
B.a little deeper forward
C.at the same draught between fore and aft
D.a balance between two sides

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單項(xiàng)選擇題

If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.

A.increase the righting moment
B.increase the righting arm
C.increase list or trim
D.decrease list or trim

單項(xiàng)選擇題

If the buoyant force on a ship’s hull is equal to the displacement tonnage，the ship will（）.

A.require ballast
B.be down by the head
C.sink
D.float