A.mold to develop on commodities
B.malfunction of the refrigeration equipment
C.contamination of the insulation in the space
D.All of the above
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A.above the explosive range
B.within the explosive range
C.below the explosive range
D.None of the above
A.deep tanks／lower holds
B.lower holds／tweendecks
C.tweendecks／deep tanks
D.deep tanks／tweendecks
A.trailers
B.rolling vehicles
C.containers
D.All of the above
A.solid packing
B.rapid loading and discharge
C.vessel loaded full and down to her marks
D.palletized cargo
A.year
B.two years
C.four years
D.five years
最新試題
A vessel has an amidships superstructure. Which location would be most suitable for on-deck stowage of automobiles?（）.
What additional precautions should be taken when making temporary repairs to a ship that is operating when hydrogen sulfide is present?（）
If the cargo gear on your vessel is equipped with a regular guy and a preventer guy，you should（）.
Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
According to regulations，access to a cargo pumproom in a tanker carrying grades C or D liquid cargo shall be（）.
The pneumatic containers which store bulk dry mud additives and cement on a ship are called（）.
An oil tanker，except as provided for otherwise，might discharge certain amount at certain rate of oil or oily mixtures into sea when（）.
In observing rig motion while under tow，the period of roll is the time difference between（）.
Ullage measurements are taken from the top of the liquid to（）.
By regulation，cargo tank atmosphere must be inert before and during which operation?（）