A.device for securing a chain topping lift
B.hook to prevent the anchor cable from slipping
C.device used to drag for a submerged cable or line
D.type of clam bucket used for discharging bulk cargo
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A.act as a beam to support vertical deck loads
B.lessen the longitudinal stiffness of the vessel
C.act as a tie to keep the sides of the ship in place
D.act as a web to prevent plate wrinkling due to twisting action on the vessel
A.wooden planks
B.rush mats
C.steel bars
D.wooden planks and rush mats
A.provide the proper trim
B.prevent negative stability from developing
C.prevent excessive longitudinal stresses
D.control list
A.American Bureau of Shipping
B.Lloyds of London
C.National Cargo Bureau
D.US Salvage
A.Empty double-bottoms and lower holds，and a heavy deck cargo
B.Flooding the forepeak to correct the vessel's trim
C.Having KG smaller than KM
D.Having a small positive righting arm
最新試題
The disinfection of various compartments in a vessel by filling with a gaseous agent to destroy rats and all insects pests which act as germ carriers means（）.
Bulk cargo refers to（）.
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.
In Hatch No.3 the cargo（）bulk is peaked．
What would have the greatest affect on a vessel’s longitudinal strength? （）
In vessel construction，beams are transverse girders which provide support to（）.
When a wind force causes a floating ship to heel to a static angle，the（）.
Before loading bulk grain，bilge wells must be covered to（）.
Transverse frames are more widely spaced on a ship that is designed with the（）.
For cargoes（）grain meals，coal，ventilation is needed to prevent them（）spontaneous combustion.