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


您可能感興趣的試卷

你可能感興趣的試題

1.單項選擇題The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.

A.volume of liquid in the tank
B.volume of displacement of the vessel
C.location of the tank in the vessel
D.height of the center of gravity of the vessel

2.單項選擇題During a stability test on a small passenger vessel（）.

A.the vessel must be moored snugly
B.each tank must be partially full to show it does not leak
C.all dunnage，tools，and extraneous items are secured
D.water under vessel must be deep enough to prevent grounding

3.單項選擇題The greatest effect on stability occurs from loose liquids flowing（）.

A.from side to side in the tanks of the vessel
B.from fore to aft in the tanks of a vessel
C.in and out of a vessel that is holed in a wing tank
D.in and out of a vessel that is holed in a peak tank

4.單項選擇題The stability which exists after the unintentional flooding of a compartment on a ship is called（）.

A.intact stability
B.initial stability
C.immersion stability
D.damage stability

5.單項選擇題What is the principal danger from the liquid in a half full tank onboard a vessel?（）

A.Corrosion from the shifting liquid
B.Rupturing of bulkheads from the shifting liquid
C.Loss of stability from free surface effect
D.Holing of the tank bottom from the weight of the shifting liquid

6.單項選擇題In astern towing，a tow span，also called the tow bar or towing arch，is used to（）.

A.insure that the hawser leads directly aft as it passes over the stern of the towing vessel
B.increase the stability of the towing vessel by raising the hawser off the deck
C.reduce chafing of the towing hawser
D.prevent fouling of the hawser on deck gear located on the stern of the towing vessel

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

10.單項選擇題The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the（）.

A.submerged hulls
B.column void spaces
C.dry mud tanks
D.ballast tanks