更多"The center of flotation of a vessel"的相关试题:
[单项选择]The center of flotation of a vessel is（）.
A. the center of volume of the immersed portion of the vessel
B. the center of gravity of the water plane
C. that point at which all the vertical downward forces of weight are considered to be concentrated
D. that point at which all the vertical upward forces of buoyancy are considered to be concentrated
[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]The point to which your vessel’s center of gravity (G) may rise and still permit the vessel to have positive stability is called the（）.
A. metacentric point
B. metacenter
C. metacentric radius
D. tipping center
[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]The Tonnage Certificate gives（）of a vessel which is classified into gross tonnage and net tonnage.
A. the descriptions
B. the measurements
C. the specifications
D. the prescriptions
[单项选择]That center around which a vessel trims is called the（）.
A. tipping center
B. center of buoyancy
C. center of gravity
D. turning center
[单项选择]Topside icing decreases vessel stability because it is usually off-center and（）.
A. increases displacement
B. increases the height of the center of gravity
C. increases draft
D. reduces the pocketing of free surface
[单项选择]The official identification of a vessel is found in the （）.
A. Certificate of Inspection
B. Classification Certificate
C. Loadline Certificate
D. Certificate of Documentation
[单项选择]Continuous sounding of a fog whistle by a vessel is a signal（）.
A. that the vessel is anchored
B. to request the draw span of a bridge to be opened
C. of distress
D. that the vessel is broken down and drifting
[单项选择]To determine which grades of cargo a tank vessel is permitted to carry you should（）.
A. refer to the vessel's Certificate of Inspection
B. examine the cargo tanks and fittings
C. ask the terminal supervisor or his representative
D. check the loading order
[单项选择]The pivoting point of a fully loaded vessel with normal trim proceeding ahead at sea speed is（）.
A. right at the bow
B. one-third the length of the vessel from the bow
C. one-half the length of the vessel from the bow
D. two-thirds the length of the vessel from the bow
[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]If a vessel list to port,the center of buoyancy will（）.
A. move to port
B. move to starboard
C. move directly down
D. stay in the position
[单项选择]If a vessel lists to port，the center of buoyancy will（）.
A. move to port
B. move to starboard
C. move directly down
D. stay in the same position
[单项选择]Official proof of a Chinese vessel’s nationality is contained in the （）.
A. Certificate of Inspection
B. Official Log
C. Certificate of Documentation
D. Shipping Articles
[单项选择]If the result of loading a vessel is an increase in the height of the center of gravity,there will always be an increase in the（）.
A. metacentric height
B. righting arm
C. righting moment
D. vertical moment
