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GM is a measure of ______.
① The initial stability of a vessel.
② The rightingness of the vessel.
A.① only
B.② only
C.Both ① and ②
D.Neither ① nor ②
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更多 “ GM is a measure of ______.① The initial stability of a vessel.② The rightingness of the vessel.A.① onlyB.② onlyC.Both ① and ②D.Neither ① nor ② ” 相关考题
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After jacking down your liftboat you have an unexpected list．You find that the only cause of this list must be a flooded leg．Raising the flooded leg further would adversely affect the boats stability by ______．A.Raising the KG and increasing the draft which may put you in an unsafe operating conditionB.Increasing GM and causing a fast rollC.Increasing the righting arm on the high sideD.Causing the vessel to yaw when underway
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GM cannot be used as an indicator of stability at all angles of inclination because ______.A.M is not fixed at large anglesB.there is no M at large anglesC.G is not fixed at large anglesD.there is no G at large angles
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Metacentric height is a measure of ______.A.initial stability onlyB.stability through all anglesC.maximum righting armD.All of the above
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单选题If your vessel has a list to port due to negative GM and off-center weight，the first corrective measure you should take is to（）.A
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fill the starboard double-bottomC
pump water from the port double-bottom to the starboard double-bottomD
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单选题If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.A
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adding weight low in the vesselC
closing crossover valves between partly filled double bottom tanksD
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at small angles of inclinationB
when loaded with minimum deck loadC
when at transit draftD
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单选题（） is not the information necessary for the master to obtain guidance as to the stability of the ship.A
a curve of minimum operational metacentric height（GM）versus draughtB
instructions concerning the operation of cross-flooding arrangementsC
the signals or lights being exhibited or soundedD
all other data and aids which might be necessary to maintain stability after damage
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单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.A
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The center of gravity shifts due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
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单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.A
The metacenter does not remain in the same position for large angles of inclinationB
The center of gravity shift due to inclinationC
The center of gravity shifts above the metacenter as the vessel is inclinedD
The mean draft will change as the vessel is inclinded
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单选题GM cannot be used as an indicator of stability at all angles of inclination because（）.A
M is not fixed at large anglesB
there is no M at large anglesC
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inclining moment
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多选题Which two statements are true about setting the per-thread buffers higher than required?（）AMore memory per thread is beneficial in all scenariosBIt causes increased overhead due to initial memory allocationCIt can affect system stability during peak load times, due to swappingDIt requires increasing the thread_cache_size variable
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单选题The effect of free surface on initial stability depends upon（）.A
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单选题The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.A
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volume of displacement of the vesselC
location of the tank in the vesselD
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单选题The important initial stability parameter，GM，is the（）.A
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单选题A breeches buoy is being rigged from the shore to a stranded vessel. The initial shot line passed to the vessel is normally made fast to a（）.A
hawser which is used to pass a tail-block and whip to the vesselB
hawser with breeches buoy and harness attachedC
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tail-block and whip which may be used to pass a hawser to the vessel
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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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