單項選擇題If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.

A.increase the righting moment
B.cause an increase in the righting arm
C.bring the unit to an upright equilibrium position
D.cause the unit to flop to a greater angle


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2.單項選擇題What is the stability term for the distance from the center of gravity (G) to the Metacenter (M)，when small-angle stability applies? （）

A.metacentric height
B.metacentric radius
C.height of the metacenter
D.righting arm

3.單項選擇題Repair of vital machinery and services on a ship should be accomplished（）.

A.after control of fire，flooding，and structural repairs
B.immediately
C.after control of fire，but before control of flooding
D.after stability is restored

4.單項選擇題If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.

A.increase the righting moment
B.cause an increase in the righting arm
C.bring the vessel to an upright equilibrium position
D.cause the vessel to flop to a greater angle

5.單項選擇題The downflooding angle for a ship is the maximum angle at which（）.

A.stability is positive
B.neutral equilibrium exists
C.the load line is not submerged
D.intact stability curves are valid

6.單項選擇題To ensure the ship’s general stability，（）.

A.she's loaded a little deeper forward
B.she's loaded a little deeper aft
C.she has not any ballast at all
D.the cargo is properly distributed throughout the ship

7.單項選擇題Stability is determined principally by the location of the point of application of two forces: the downward-acting gravity force and the（）.

A.upward-acting weight force
B.downward-acting weight force
C.upward-acting buoyant force
D.environmental force

8.單項選擇題Fighting a fire in the galley poses the additional threat of（）.

A.contaminating food with extinguishing agent
B.spreading through the engineering space
C.loss of stability
D.a grease fire in the ventilation system

9.單項選擇題What will NOT decrease the stability of a vessel?（）

A.Topside icing
B.Running with a following sea
C.Using 35% of the fuel in a full tank
D.Lowering a weight suspended by a boom onto the deck

10.單項選擇題What is the definition of transverse metacenter?（）

A.The distance between the actual center of gravity and the maximum center of gravity that will still allow a positive stability
B.The point to which G may rise and still permit the vessel to possess positive stability
C.The sum of the center of buoyancy and the center of gravity
D.The transverse shift of the center of buoyancy as a vessel rolls