be tender
have a slow and easy motion
be stiff
have a tendency to yaw
第1题:
A negative metacentric height ______.
A.should always be immediately corrected
B.will always cause a vessel to capsize
C.always results from off-center weights
D.All of the above are correct
第2题:
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
第3题:
A、capital
B、accent
C、math
D、floating
第4题:
In small angle stability, when external forces exist, the buoyant force is assumed to act vertically upwards through the center of buoyancy and through the ______.
A.center of gravity
B.center of flotation
C.metacenter
D.metacentric height
第5题:
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 moments
第6题:
Reducing free surfaces has the effect of lowering the ______.
A.uncorrected KG
B.virtual height of the center of gravity
C.metacenter
D.metacentric height
第7题:
If the metacentric height is large, a floating vessel will ______.
A.be tender
B.have a slow and easy motion
C.be stiff
D.have a tendency to yaw
第8题:
Cross curves of stability show which of the following?
A.The righting arms at various angles of inclination and displacement
B.The metacentric height at large angles of heel
C.The height of the center of buoyancy at various angles
D.The metacentric radius at various displacements
第9题:
In small angle stability, the metacentric height ______.
A.is found in the hydrostatic tables for a level vessel
B.multiplied by the displacement yields the righting moment
C.is always positive
D.is calculated by subtracting KG from KM
第10题:
Increasing the number of slack liquid tanks has the effect of raising the ______.
A.uncorrected KG
B.maximum allowed KG
C.virtual height of the center of gravity
D.metacentric height