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
For cargoes（）grain meals，coal，ventilation is needed to prevent them（）spontaneous combustion.
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.
Reinforcing frames attached to a bulkhead on a vessel are called（）.
The heavier outboard strake of deck plating on a ship is called the deck（）.
Strengthening damaged bulkheads by using wood or steel is called（）.
On a vessel，the keel is the primary strength member of the lower hull form in which direction?（）.
The center of gravity of a freely swinging load suspended from a pedestal crane acts as if it were located at the（）.
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（）.
A venetian vent or rice ventilator is used in stowage of which cargo?（）.
In a transversely framed ship，the transverse frames are supported by all of the following EXCEPT（）.