單項(xiàng)選擇題What should you apply to a fathometer reading to determine the depth of water?()

A.Subtract the draft of the vessel
B.Add the draft of the vessel
C.Subtract the sea water correction 
D.Add the sea water correction


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1.單項(xiàng)選擇題What is NOT an advantage of the house-fall system when compared to a married-fall system using two of the ship’s booms? ()

A.There is a steady spotting area under the dockside block
B.Loading can be accomplished from a narrow apron without endangering the inboard boom
C.The system can be used for working the second deck of a warehouse
D.There is more accurate control of cargo drafts required to be stowed in the wings

2.單項(xiàng)選擇題What DOCS SALT WATER DRAFT means?().

A.It means summer draft
B.It means Maximum draft
C.It means Fresh Water draft
D.It means Seawater Draft

3.單項(xiàng)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

4.單項(xiàng)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

5.單項(xiàng)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