航海英语船舶浮性章节练习(2018.03.16)

单项选择题
The difference between the starboard and port drafts caused by shifting a weight transversely is（）.
A.list
B.heel
C.trim
D.flotation
单项选择题
A load line is assigned to a ship to insure adequate stability and（）.
A.mooring tension
B.riser tension
C.lifesaving equipment
D.structural strength
单项选择题
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
单项选择题
Where must the draft marks be placed on a small passenger vessel? （）
A.On each side of the stem
B.Near the stern post or rudder post
C.At each end of the vessel
D.All of the above
单项选择题
Vessel shall possess（）valid for duration of charter Party showing winches and derricks in order.
A.International Cargo Gear Certificate
B.International Loadline Certificate
C.International Safety Construction Certificate
D.International Seaman Identification
单项选择题
The amount of freeboard which a ship possesses has a tremendous effect on its（）.
A.initial stability
B.free surface
C.stability at large angles of inclination
D.permeability
单项选择题
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
单项选择题
A neutral equilibrium position for a vessel means that the metacenter is（）.
A.lower than the keel
B.at the same height as the center of gravity
C.exactly at midships
D.at the center of the waterplane area
单项选择题
A vessel’s LCG is determined by（）.
A.dividing the total longitudinal moment summations by displacement
B.dividing the total vertical moment summations by displacement
C.multiplying the MTC by the longitudinal moments
D.subtracting LCF from LCB
单项选择题
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