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
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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
A.provide the proper trim
B.prevent negative stability from developing
C.prevent excessive longitudinal stresses
D.control list
最新試題
Stable equilibrium for a vessel means that the metacenter is（）.
Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.
Reinforcing frames attached to a bulkhead on a vessel are called（）.
Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all（）.
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.
Strengthening damaged bulkheads by using wood or steel is called（）.
Bags are usually stowed in between the bulk grain（）.
In a transversely framed ship，the transverse frames are supported by all of the following EXCEPT（）.
Stanchions prevent the entire deck load on a ship from being carried by the（）.
In Hatch No.3 the cargo（）bulk is peaked．