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单选题
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
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单选题Progressive flooding may be indicated by（）.A
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excessive draftC
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考题
单选题If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.A
increase the righting momentB
cause an increase in the righting armC
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cause the unit to flop to a greater angle
考题
单选题A vessel has a strong wind on the port beam. This has the same affect on stability as（）.A
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单选题In no case shall ballast water be carried in cargo tanks，（）on those rare voyages when weather conditions are so severe that，in the opinion of the master，it is necessary to carry additional ballast water in cargo tanks for the safety of the ship.A
besidesB
in particularC
incase ofD
except
考题
单选题A continual worsening of the list or trim indicates（）.A
negative GMB
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structural failureD
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考题
单选题A negative metacentric height（）.A
will always cause a vessel to capsizeB
should always be immediately correctedC
always result from off-center weightsD
All of the above are correct
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单选题If a vessel takes a sudden，severe list or trim from an unknown cause，you should FIRST（）.A
determine the cause before taking countermeasuresB
assume the shift is due to off-center loadingC
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assume the cause is environmental forces
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单选题A semisubmersible which flops between forward and aft angles of trim is likely to have（）.A
KML less than KGLB
an off-center LCGC
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KML greater than KMT
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单选题Your tank vessel is loaded down to her marks, and you find that she has too much trim by the stern,To adjust the trim, you may（）.A
add ballast forwardB
load more cargo forwardC
shift bunkers forwardD
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单选题Your tank vessel is fully loaded, and you find that she is down slightly by the head. To adjust the trim, you may（）.A
add ballast aftB
load more cargo aftC
shift cargo aftD
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单选题During counterflooding to correct a severe list aggravated by an off-center load，your vessel suddenly takes a list or trim to the opposite side. You should（）.A
continue counterflooding in the same directionB
continue counterflooding，but in the opposite directionC
immediately stop counterfloodingD
deballast from the low side
考题
单选题If the cause of severe list or trim is off-center ballast，counterflooding into empty tanks will（）.A
increase the righting momentB
increase the righting armC
increase list or trimD
decrease list or trim
考题
单选题During counterflooding to correct a severe list or trim aggravated by an off-center load，a ship suddenly takes a list or trim to the opposite side. You should（）.A
continue counterflooding in the same directionB
continue counterflooding，but in the opposite directionC
immediately stop counterfloodingD
deballast from the low side
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单选题If a vessel takes a sudden severe list or trim from an unknown cause, you should first（）.A
determine the cause before taking countermeasuresB
assume the shift is due to off-center loadingC
counterflood on the side opposite the list or trimD
assume the cause is environment forces
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单选题After jacking down your liftboat you have an unexpected list.You find that the only cause of this list must be a flooded leg.Your next course of action should be to（）.A
Jack the vessel back up to a safe heightB
Proceed on to your next destination since the list is unimportantC
Pump out all ballast to gain reserve buoyancyD
Notify the Coast Guard
考题
单选题If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.A
increase the righting momentB
cause an increase in the righting armC
bring the vessel to an upright equilibrium positionD
cause the vessel to flop to a greater angle
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