單項(xiàng)選擇題The height of the metacenter above the keel will vary depending on the().

A.draft and beam of the ship
B.displacement and deadweight of the ship
C.buoyancy and trim of the ship
D.tonnage and deadweight of the ship


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2.單項(xiàng)選擇題For a ship with longitudinal inclination,an increase in GML causes().

A.list to stabilize at an angle of loll
B.trim to stabilize at an angle of loll
C.trim to increase
D.trim to decrease

3.單項(xiàng)選擇題The geometric center of the waterplane area is called the().

A.center of buoyancy
B.center of gravity
C.metacenter
D.center of flotation

4.單項(xiàng)選擇題Semisubmersibles A and B are identical. However,A is more tender than B. This means that A relative to B has a().

A.lower KG
B.smaller GM
C.smaller roll angle
D.larger GZ

5.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