單項選擇題The ship has()of more than 10 meters at full load.

A.an engine
B.an overall length
C.a displacement
D.a draft


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1.單項選擇題The primary purpose of a load line is to establish required().

A.minimum freeboard
B.GM
C.transverse stability
D.fresh water allowances

3.單項選擇題The magnitude of a moment is the product of the force and().

A.time
B.lever arm
C.displacement
D.angle of inclination

4.單項選擇題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

5.單項選擇題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