网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
单选题
Reducing the liquid free surfaces in a vessel reduces the（）.
A
roll period
B
metacentric height
C
waterplane area
D
vessel's draft
参考答案
参考解析
解析：
暂无解析
更多 “单选题Reducing the liquid free surfaces in a vessel reduces the（）.A roll periodB metacentric heightC waterplane areaD vessel's draft” 相关考题
考题
Jettisoning weight from topside ______.A.returns the vessel to an even keelB.reduces free surface effectC.lowers the center of gravityD.raises the center of buoyancy
考题
Reducing free surfaces has the effect of lowering the ______.A.uncorrected KGB.virtual height of the center of gravityC.metacenterD.metacentric height
考题
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel's displacement into the ______．A.Transverse free surface correction for the vesselB.Sum of the vertical moments of the vesselC.Sum of the longitudinal free surface moments of the vesselD.Longitudinal centerline of the vessel
考题
The free surface corrections depend upon the dimensions of the surface of the free liquids and the ______．A.volume of liquid in the tankB.displacement of the vesselC.location of the tank in the vesselD.height of the center of gravity of the vessel
考题
In creasing free surfaces has the effect of raising the ______.A.uncorrected KGB.virtual height of the center of gravityC.metacenterD.metacentric height
考题
单选题Which of the following is more important in determining the amount of free surface that will be produced?（）.A
The breath of the tankB
The length of the tankC
The amount of liquid in the tankD
The position of the tank in relation to the center line of the vessel
考题
单选题To calculate the free surface correction，it is necessary to divide the free-surface moments by the（）.A
total weight of liquid loadsB
total displacementC
lightweightD
deadweight
考题
单选题The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.A
transverse free surface correction for the vesselB
sum of the vertical moments of the vesselC
sum of the longitudinal free surface moments of the vesselD
longitudinal centerline of the vessel
考题
单选题The effects of free surface on a vessel’s initial stability do NOT depend upon the（）.A
volume of displacement of the vesselB
dimensions of the surface of the liquidC
amount of liquid in slack tanksD
specific gravity of the liquid in the tank
考题
单选题Increasing free surfaces has the effect of raising the（）.A
uncorrected KGB
virtual height of the center of gravityC
metacenterD
metacentric height
考题
单选题A tank which carries liquid is dangerous to the stability of a vessel when it is（）.A
low in the vesselB
completely emptyC
completely fullD
slack
考题
单选题Movement of liquid in a tank when a vessel inclines causes an increase in（）.A
righting armB
metacentric heightC
height of the uncorrected KGD
natural rolling period
考题
单选题As the displacement of a vessel increases, the detrimental effect of free surface（）.A
increasesB
decreasesC
remains the sameD
may increase or decrease depending on the fineness of the vessel's form
考题
单选题According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.A
from areas equipped with power ventilationB
only from enclosed areas free from sources of vapor ignitionC
from the open deckD
from within the vessel
考题
单选题The temperature （） a liquid changes its state from liquid to gas depends upon the liquid itself and upon the pressure （） it is subjected in the containing vessel.A
at which/to whichB
from which/at whichC
to which/from whichD
in which/on which
考题
单选题When liquid is free to move transversely in a tank, the effect is called（）.A
Free communicationB
Free fensityC
Free surfaceD
Negative GM
考题
单选题According to regulations，access to a cargo pumproom in a tank vessel carrying grades C or D liquid cargo shall be（）.A
from areas equipped with power ventilationB
only from enclosed areas free from sources of vapor ignitionC
from the open deckD
from within the vessel
考题
单选题A vessel continually lists to one side and has a normal rolling period. Which statement is TRUE?（）.A
The vessel has negative GMB
The center of gravity is on the centerlineC
The list can be corrected by reducing KMD
The vessel has asymmetrical weight distribution
考题
单选题The center of the underwater volume of a floating vessel is the（）.A
center of buoyancyB
center of flotationC
uncorrected height of the center of gravity of the vesselD
center of gravity of the vessel corrected for free surface effects
考题
单选题An inclined semisubmersible with a very short rolling period about a constant angle of list is likely to have（）.A
an off-center TCGB
an LCG greater than level vessel LCBC
a negative GMD
excessive free surfaces
考题
单选题Which of the listed statements is a characteristic of the liquid charged power element used with thermostatic expansion valves?（）A
At the designed operating temperature, the liquid refrigerant charge has changed to a vaporB
The liquid refrigerant tends to collect at the bellows or diaphragm and reduces the valve sensitivityC
The sensing bulb is empty of liquid refrigerant charge at the designed operating temperatureD
The sensing bulb is never emptied of liquid refrigerant under normal operating conditions
考题
单选题What are the most important reasons for using water fog to fight fires?（）A
Smothers burning surfaces，organically destroys fuelB
Cools fire and adjacent surfaces，provides protective barrierC
Reaches areas not protected by steam or CO2 smothering systemsD
Allows fire to be attacked from leeward，saturates liquid surfaces
考题
单选题Sub-cooling is a method of reducing the temperature of the liquid refrigerant below its （）.A
freezing pointB
floc pointC
condensing temperatureD
compression temperature
考题
单选题What is the principal danger from the liquid in a half full tank onboard a vessel?（）A
Corrosion from the shifting liquidB
Rupturing of bulkheads from the shifting liquidC
Loss of stability from free surface effectD
Holing of the tank bottom from the weight of the shifting liquid
考题
单选题The effect of free surface on initial stability depends upon（）.A
the amount of liquid in the compartmentB
the dimensions of the liquid surface and the vessel's displacementC
only the length of the compartmentD
the vertical position of the liquid in the vessel
考题
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
volume of liquid in the tankB
volume of displacement of the vesselC
location of the tank in the vesselD
height of the center of gravity of the vessel
考题
单选题Reducing free surfaces has the effect of lowering the（）.A
uncorrected KGB
virtual height of the center of gravityC
metacenterD
metacentric height
热门标签
最新试卷
