height of the metacenter
height of the righting arm
height of the center of buoyancy
metacentric height
第1题:
A floating vessel will behave as if all of its weight is acting downward through the ______.
A.center of gravity
B.center of buoyancy
C.center of floation
D.Metacenter
第2题:
A vessel’s LCG is determined by ______.
A.dividing the total longitudinal moment summation by displacement
B.dividing the total vertical moment summation by displacement
C.multiplying the MTl by the longitudinal moments
D.subtracting LCF from LCB
第3题:
下面程序段的输出结果是( )。 public class Test { public static void main ( String[] args) { int result=0; for ( int i=1;i<=5;i++) { if ( i%2==0 ) continue; result + =i; } System. out. println ("result is " + result ); } }
A.result is 7
B.result is 8
C.result is 9
D.result is 10
第4题:
For small angles of inclination, if the KG were equal to the KM, then the vessel would have __________.
A.position stability
B.negative stability
C.neutral stability
D.maximum stability
第5题:
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
第6题:
A vessel’s KG is determined by ______.
A.dividing the total longitudinal moment summation by displacement
B.dividing the total vertical moment summation by displacement
C.multiplying the MTl by the longitudinal moments
D.subtracting LCF from LCB
第7题:
Although KG for a vessel in lightweight is relatively high, the vessel is stiff because ___.
A.KM is small
B.KM is high
C.BL is small
D.KB is large
第8题:
When is the density of the water required to be logged in the logbook of a ship?
A.Any time the vessel moves from water of one density into waters of a different density
B.Prior to getting underway when the vessel is floating in fresh or brackish water
C.Only when the vessel moves from fresh water into salt water
D.The density of the water is not required to be logged in the unofficial logbook
第9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10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