更多"A floating vessel will behave as if"的相关试题:
[单项选择]A floating vessel will behave as if all of its weight is zcting downward through the（）.
A. center of gravity
B. center of buoyancy
C. center of flotation
D. metacenter
[单项选择]For a floating vessel,the center of the floating is the point in the waterpiane.（）.
A. aboat which the vessel lists and trims
B. which coincides with the center of buoyancy
C. which, in the absence of external forces, is always vertically aligned with the center of gravity
D. which is shown in the hydrostatic tables as VCB
[单项选择]For a floating vessel, the center of buoyancy and the metacenter are in the line of action of the buoyant force（）.
A. only when there is positive stability
B. only when there is negative stability
C. only when there is neutral stability
D. at all times
[单项选择]For a floating vessel，the result of subtracting KG from KM is the（）.
A. height of the metacenter
B. height of the righting arm
C. height of the center of buoyancy
D. metacentric height
[单项选择]For a floating vessel，true mean draft is always the（）.
A. average of the observed drafts
B. draft at the center of flotation
C. draft corresponding to the calculated displacement
D. mean of the calculated drafts
[单项选择]For a floating vessel，the center of buoyancy and the metacenter are in the line of action of the buoyant force（）.
A. only when there is positive stability
B. only when there is negative stability
C. only when there is neutral stability
D. at all times
[单项选择]For a floating vessel，the center of flotation is the point in the waterplane（）.
A. about which the vessel lists and trims
B. which coincides with the center of buoyancy
C. which，in the absence of external forces，is always vertically aligned with the center of gravity
D. which is shown in the hydrostatic tables as VCB
[单项选择]A vessel behaves as if all of its weight is acting downward through the center of gravity，and all its support is acting upward through the（）.
A. keel
B. center of buoyancy
C. tipping center
D. amidships section
[单项选择]No one can behave（）, completely regardless of social conventions.
A. at will
B. at random
C. on purpose
D. on easy
[单项选择]When air is at its dew point it is at its（）
A. lowest absolute humidity
B. lowest relative humidity
C. highest absolute humidity
D. highest relative humidity
[名词解释]桥位选择（qiao wei xuan ze） bridge site slection
[单项选择]Pistons may be made in （） in order to keep the weight down for balancing purposes at high speed.
A. cast iron
B. forged steel
C. stainless steel
D. aluminum alloy
[名词解释]桥位地形图（qiao wei di xing tu ）topography map of bridge site
[名词解释]桥位地质剖面图（qiao wei di zhi pou mian tu）geologic section drawing of bridge site
