單項選擇題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


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1.單項選擇題To calculate the free surface correction,it is necessary to divide the free-surface moments by the().

A.total weight of liquid loads
B.total displacement
C.lightweight
D.deadweight

2.單項選擇題The waterplane area is described as the intersection of the surface of the water in which a vessel floats and the().

A.baseline
B.vertical reference plane
C.hull
D.horizontal reference plane

3.單項選擇題The volume of watertight spaces of a vessel above its waterline is the vessel’s().

A.free surface
B.marginal stability
C.reserve buoyancy
D.freeboard

4.單項選擇題The upward pressure of displaced water is called().

A.buoyancy
B.deadweight
C.draft
D.freeboard