單項(xiàng)選擇題A tow of 9 barges is made up three abreast and three long. The towboat is faced up to the center string which is known as the().

A.main string
B.push string
C.power string
D.face string


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1.單項(xiàng)選擇題A spreader bar is used to().

A.increase the lifting capacity
B.increase the lifting radius
C.protect the slings
D.protect the upper part of a load

2.單項(xiàng)選擇題A situation has occurred in which your vessel must be towed. When the towing vessel passes the towing line to you,you should secure the line().

A.to the base of the foremast
B.to the forward-most bitts
C.to the forward part of the deckhouse
D.at the stern

3.單項(xiàng)選擇題A loaded hopper barge with independent tanks has a placard,with alternating red and white quadrants,on each side and end. Which statement concerning this barge is TRUE?()

A.The cargo will spontaneously ignite if released to the atmosphere
B.You must operate this barge as a lead barge
C.The barge should be spotted as far away from the towboat as possible
D.The barge must be in a protected position within the tow

4.單項(xiàng)選擇題A cargo of refrigerated fruit is packed in crates with transverse members dividing the crate in two equal parts. Which statement is TRUE?()

A.The cargo block should be tightly packed if the cargo is suitably chilled upon delivery to the vessel
B.Both sides of each crate must be checked for the temperature and the appearance of the fruit
C.The cargo block should be stowed with air channels built throughout the stowed cargo
D.The crates should NEVER be stowed brick fashion

5.單項(xiàng)選擇題You intend to tow a barge with one tug and expect continuous high winds from the north. To reduce the yaw of your tow,you should().

A.reduce the draft of the barge
B.shorten one leg of the bridle
C.place bulky deck loads as far aft as possible
D.trim the barge down by the bow

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If the cargo gear on your vessel is equipped with a regular guy and a preventer guy,you should().

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Ullages on tankers are measured from().

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To determine which grades of cargo a tanker is permitted to carry you should().

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An oil tanker operating with dedicated clean ballast tanks shall be equipped with(),approved by the Administration on the basis of specification recommended by the Organization,to enable supervision of the oil content in ballast water being discharged.

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The pneumatic containers which store bulk dry mud additives and cement on a ship are called().

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A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?().

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If a cargo of kerosene were considered too lean to explode,then it must be().

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Generally speaking,the heavier cargo will go into the(),distributing it evenly fore and aft,the lighter cargo will probably be placed in the().

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The safe working load for the assembled cargo gear and the minimum angle to the horizontal for which the gear is designed shall be marked on the().

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It’s()to stow optional cargo in the lower hold.You’d better give it block stowage in the tweendecks,then it can be easily discharged either at Shanghai,or Dalian or Tianjin.

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