A.to ventilate the hold
B.to separate the cargo
C.to replace shifting boards
D.to facilitate stowage
您可能感興趣的試卷
你可能感興趣的試題
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
Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.
In vessel construction，beams are transverse girders which provide support to（）.
What is NOT a problem when carrying coal? （）
The heavier outboard strake of deck plating on a ship is called the deck（）.
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（）.
Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all（）.
Strengthening damaged bulkheads by using wood or steel is called（）.
The center of gravity of a freely swinging load suspended from a pedestal crane acts as if it were located at the（）.
Stanchions prevent the entire deck load on a ship from being carried by the（）.
Lighter longitudinal stiffening frames on the vessel side plating are called（）.