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
The correction to KG for longitudinal free surface effects for a vessel can be found by dividing the vessel’s displacement into the（）.
In any case the draught of the vessel at the（）shall not be less than that which is necessary to obtain full immersion of the propeller.
What is NOT a problem when carrying coal? （）
Oceangoing dry bulk cargo vessels over 1000 GT must have approved combination-type fire nozzles at all（）.
For cargoes（）grain meals，coal，ventilation is needed to prevent them（）spontaneous combustion.
I（）rather not shift the rice to Hatch No.2.
In vessel construction，beams are transverse girders which provide support to（）.
Stable equilibrium for a vessel means that the metacenter is（）.
The heavier outboard strake of deck plating on a ship is called the deck（）.
On a vessel，the keel is the primary strength member of the lower hull form in which direction?（）.