更多"For a floating vessel，true mean dra"的相关试题:
[单项选择]For a floating vessel,true mean draft is always the（）.
A. average of the observed drafts
B. draft at the centre of flotation
C. draft corresponding to the center of buoyancy
D. metacentric height
[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]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 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]What does salt water draft mean?（）.
A. It means summer draft
B. It means maximum draft
C. It means fresh water draft
D. It means seawater draft
[单项选择]The mean draft of a ship is the draft（）.
A. midway between the forward and aft draft marks
B. at the center of flotation
C. at the load line
D. at the center of buoyancy
[单项选择]Which of the following is NOT true according to the passage?（）
A. Both the main steering gear and the auxiliary steering gear should be operated
B. The alarms fitted to the remote control system should be operated
C. The emergency generator compartment should be checked
D. The communication system between the bridge and the steering gear compartment should be operated
[单项选择]（）is your draft?
A. What
B. How
C. Which
D. When
[单项选择]If they mean to you（）they mean to me, they may perhaps be helpful also to our sons for their guidance and inspiration.
A. who
B. what
C. that
D. just as
[单项选择]Official draft measurements should be（）by authorized persons，agreed by both parties involved.
A. executed
B. located
C. fixed
D. measured
