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
In vessel construction，beams are transverse girders which provide support to（）.
In Hatch No.3 the cargo（）bulk is peaked．
What term indicates a curvature of the decks in a longitudinal direction?（）
Reinforcing frames attached to a bulkhead on a vessel are called（）.
I hereby（）you，on behalf of the Loocki Grain Co.，Lisbon，to pay to the Harbor Master of the Santa Marta，Columbia，the sum of 500，000 Peso which represents a fine levied on the above-named vessel for polluting the coastal waters with oily water.
Stanchions prevent the entire deck load on a ship from being carried by 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.
For cargoes（）grain meals，coal，ventilation is needed to prevent them（）spontaneous combustion.
TRANSVERSE MOVEMENT OF CARGO，ESPECIALLY BULK，CAUSED BY ROLLING OR A HEAVY LIST defines（）.
Bulk cargo refers to（）.