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单选题
The trim of a vessel is the （）.
A
value of the mean draft
B
degree of list
C
amount of roll
D
difference in fore and aft drafts
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In the absence of external forces，adding weight on one side of a floating vessel causes the vessel to ().A.heel until the angle of loll is reachedB.list until the center of buoyancy is aligned vertically with the center of gravityC.trim to the side opposite TCG until all moments are equalD.decrease draft at the center of flotation
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You are on an ice-reinforced vessel about to enter packice．You should ______．A.enter the pack on the windward side where there is a well defined ice edgeB.trim to an even keel or slightly down by the bow to take maximum benefit of the ice reinforcementC.take maximum advantage of coastal leads caused by offshore windsD.look for areas of rotten ice and enter perpendicular to the ice edge
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Prior to loading barges over the stern of a LASH vessel，the vessel should be trimmed in what manner ________．A.Two to four feet by the bowB.Slightly by the bowC.No trim should be permittedD.Slightly by the stern
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A vessel has a strong wind on the port beam. This has the same affect on stability as ______.A.weight that is off-center to starboardB.increasing the draftC.reducing the freeboardD.increasing the trim
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考题
For a vessel with transverse inclination, an increase in GMT causes ______.A.list to stabilize at an angle of lollB.trim to decreaseC.list to increaseD.list to decrease
考题
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 environmental forces
考题
单选题Your vessel was damaged and initially assumed a significant list and trim; however，further increase has been slow. Based on this data，what should you expect?（）A
The slowing is only temporary and the vessel will probably suddenly capsize or plunge from loss of stability due to change in the waterplane areaB
The vessel can probably be saved if further flooding can be stoppedC
The vessel will continue to slowly list and/or trim due to the free surface effect and free communication effectD
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考题
单选题The change in trim of a vessel may be found by（）.A
dividing the trim moments by MT1B
subtracting the LCF from the LCBC
looking at the Hydrostatic Properties Table for the draft of the vesselD
dividing longitudinal moments by the displacement
考题
单选题The TPC curve，one of the hydrostatic curves in a vessel’s plans，gives the number of tons（）.A
necessary to change the angle of list 1°at a given draftB
necessary to change trim 1 cm at a given draftC
pressure per square cm on the vessel's hull at a given draftD
necessary to further immerse the vessel 1 cm at a given draft
考题
单选题Prior to loading barges over the stern of a LASH vessel，the vessel should be trimmed in what manner?（）.A
Two to four feet by the bowB
Slightly by the bowC
No trim should be permittedD
Slightly by the stern
考题
单选题Which factor does NOT affect the required freeboard of a cargo vessel? （）A
Season of the yearB
Geographic zone of operationC
Density of the waterD
Condition of trim in normal operation
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单选题Your vessel is damaged with no list，but down by the stern. There is progressive flooding and trim by the stern is increasing. What is the effect on transverse stability after the deck edge at the stern is submerged?（）A
KB increases，increasing BM and therefore GMB
KG increases due to the weight of the added water on deckC
BM decreases from loss of water plane and greater volumeD
There is no effect on transverse stability
考题
单选题The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.A
right at the bowB
one-third the length of the vessel from the bowC
one-half the length of the vessel from the bowD
two-thirds the length of the vessel from the bow
考题
单选题A vessel has a strong wind on the port beam. This has the same affect on stability as（）.A
weight that is off-center to starboardB
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单选题Master must ascertain that deck loads are stowed in such a manner as（）.A
not to affect the vessel's stability and trimB
to affect the vessel's stabilityC
to affect the vessel's trimD
to affect the vessel's atability or trim
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单选题How do you determine the weight of the vessel that is supported by the ground when a vessel has run aground?（）A
This requires extensive calculation and is usually performed only by a naval architect not by a ship's officerB
Determine the point where aground and the draft at that point，then calculate it using the grounding formulaC
Use the hydrostatic tables and enter with the mean draft before grounding and the mean draft after groundingD
Use the inclining experiment formula and substitute the change of trim for the angle of list
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单选题What is NOT a problem area when loading barges on a LASH type vessel? （）A
Frequent stability calculations requiredB
Thorough pre-planning requiredC
Limiting depths alongside berths restrict barge draftsD
Minimum trim and 0°list are required for optimum operations
考题
单选题A vessel loads edible oil in a deep tank through a manhole at the midlength of the tank. In order to fill the tank to maximum capacity，what trim should the vessel have?（）A
Down by the bowB
Down by the sternC
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考题
单选题What is MTI?（）.A
The foot／tons needed to trim the vessel by 1 inchB
The foot／tons needed to trim the vessel by 1 footC
The moments needed to trim the vessel by 1 centimeterD
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考题
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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考题
单选题The tendency of a vessel to return to its original trim after being inclined by an external force is（）.A
equilibriumB
buoyancyC
transverse stabilityD
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考题
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
All of the above
考题
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
All of the above
考题
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 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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