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
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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
A.American Bureau of Shipping
B.Lloyds of London
C.National Cargo Bureau
D.US Salvage
A.Empty double-bottoms and lower holds，and a heavy deck cargo
B.Flooding the forepeak to correct the vessel's trim
C.Having KG smaller than KM
D.Having a small positive righting arm
最新試題
Before loading bulk grain，bilge wells must be covered to（）.
Ship’s officers should check every cargo compartment after it is filled with bulk grain to ensure（）.
Stable equilibrium for a vessel means that the metacenter is（）.
What is NOT a problem when carrying coal? （）
Atmospheres laden with coal dust or grain dust caused by loading these cargoes（）.
In a longitudinally-framed ship，the longitudinal frames are held in place and supported by athwartship members called（）.
Most very large ocean going vessels，such as bulk carriers and large tankers，tend to squat（）.
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（）.
A venetian vent or rice ventilator is used in stowage of which cargo?（）.