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
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
相关考题：
Which two statements are true about setting the per－thread buffers higher than required?() A.More memory per thread is beneficial in all scenariosB.It causes increased overhead due to initial memory allocationC.It can affect system stability during peak load times, due to swappingD.It requires increasing the thread_cache_size variable
Can you measure oil level? Which method is right, to measure ullage height or to measure oil depth?
Freeboard is a measure of which of the following？Ⅰ．The amount of reserve buoyancy．Ⅱ．The initial stability of the vessel．A.Ⅰ onlyB.Ⅱ onlyC.Both Ⅰ and ⅡD.Neither Ⅰ nor Ⅱ
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
Metacentric height is a measure of ______.A.initial stability onlyB.stability through all anglesC.maximum righting armD.All of the above
Which two statements are true about setting the per-thread buffers higher than required?（）A、More memory per thread is beneficial in all scenariosB、It causes increased overhead due to initial memory allocationC、It can affect system stability during peak load times, due to swappingD、It requires increasing the thread_cache_size variable
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（）.Amove port-side main-deck cargo to the starboard sideBfill the starboard double-bottomCpump water from the port double-bottom to the starboard double-bottomDpump water from the port double-bottom over the side
单选题The angle of loll is a stability term which applies to a floating ship with（）.Aoff-center loadingBstiff characteristicsCexcessive pitch or rollDnegative initial stability
单选题If the cause of a sudden severe list or trim is negative initial stability，counter flooding into empty tanks may（）.Aincrease the righting momentBcause an increase in the righting armCbring the unit to an upright equilibrium positionDcause the unit to flop to a greater angle
单选题Initial stability of a vessel may be improved by（）.Aremoving loose waterBadding weight low in the vesselCclosing crossover valves between partly filled double bottom tanksDAll of the above
单选题Initial stability refers to stability（）.Aat small angles of inclinationBwhen loaded with minimum deck loadCwhen at transit draftDwhen GZ is zero
单选题（） is not the information necessary for the master to obtain guidance as to the stability of the ship.Aa curve of minimum operational metacentric height（GM）versus draughtBinstructions concerning the operation of cross-flooding arrangementsCthe signals or lights being exhibited or soundedDall other data and aids which might be necessary to maintain stability after damage
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stabilit?（）.AThe metacenter does not remain in the same position for large angles of inclinationBThe center of gravity shifts due to inclinationCThe center of gravity shifts above the metacenter as the vessel is inclinedDThe mean draft will change as the vessel is inclined
单选题Which of the following is the reason that the metacentric height is a valid measure of only the initial stability?（）.AThe metacenter does not remain in the same position for large angles of inclinationBThe center of gravity shift due to inclinationCThe center of gravity shifts above the metacenter as the vessel is inclinedDThe mean draft will change as the vessel is inclinded
单选题GM cannot be used as an indicator of stability at all angles of inclination because（）.AM is not fixed at large anglesBthere is no M at large anglesCG is not fixed at large anglesDthere is no G at large angles
单选题At all angles of inclination，the true measure of a vessel’s stability is the（）.Ametacentric heightBdisplacementCrighting momentDinclining moment
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
单选题The amount of fluid friction or internal friction inherent in a mineral lubricating oil is reflected as a measure of its （）.Aspecific gravityBviscosityCS E numberDhydrolytic stability
单选题The effect of free surface on initial stability depends upon（）.Athe amount of liquid in the compartmentBthe dimensions of the liquid surface and the vessel's displacementConly the length of the compartmentDthe vertical position of the liquid in the vessel
单选题The effects of free surface on initial stability depend upon the dimensions of the surface of the free liquids and the（）.Avolume of liquid in the tankBvolume of displacement of the vesselClocation of the tank in the vesselDheight of the center of gravity of the vessel
单选题The important initial stability parameter，GM，is the（）.Ametacentric heightBheight of the metacenter above the keelCheight of the center of buoyancy above the keelDheight of the center of gravity above the keel
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（）.Ahawser which is used to pass a tail-block and whip to the vesselBhawser with breeches buoy and harness attachedChawser which should be made fast to the vessel below the intended location of the tail-blockDtail-block and whip which may be used to pass a hawser to the vessel
单选题If the cause of a sudden severe list is negative initial stability，counterflooding into empty tanks may（）.Aincrease the righting momentBcause an increase in the righting armCbring the vessel to an upright equilibrium positionDcause the vessel to flop to a greater angle