A.to ventilate the hold
B.to separate the cargo
C.to replace shifting boards
D.to facilitate stowage
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A.require loading operations to be shut down until the atmosphere clears
B.are toxic to human life
C.are subject to spontaneous combustion
D.may be explosive in some concentrations
A.Bagged cargo
B.Bulk grain
C.Bulk rice
D.Refrigerated goods
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
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
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（）.
Progressive flooding on a ship is controlled by securing watertight boundaries and（）.
In vessel construction，beam brackets are triangular plates that join the deck beam to a（）.
Bags are usually stowed in between the bulk grain（）.
Strengthening damaged bulkheads by using wood or steel is called（）.
Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all（）.
Stanchions prevent the entire deck load on a ship from being carried by the（）.
Transverse frames are more widely spaced on a ship that is designed with the（）.
When a vessel is stationary and in a hogging condition，the main deck is under（）.
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.