A.with
B.by
C.of
D.for
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A.Scrubber
B.Demister
C.Deck water seal
D.Final filter
A.pressure vacuum relief valves
B.excess flow valves
C.safety relief valves
D.flame screens
A.in the ends of each tank
B.in the expansion trunk of each tank
C.above the weather deck
D.there are no requirements in the regulation
A.phosgene gas
B.sulfuric acid gas
C.sulfur dioxide gas
D.carbon tetrachloride
A.5 times the maximum working pressure on the hose during cargo transfer
B.one half the designed working pressure
C.4 times the pressure of the cargo pump used for transferring
D.5 times the minimum working pressure on the hose during cargo transfer
最新試題
What is used to test a tank for oxygen content?（）
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
LFG tank and pipeline maintenance should include（）.
Name one major advantage of transporting gas under refrigeration.（）
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
Combustible gas indicators operate by drawing an air sample into the instrument（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
What normally helps in detecting escaping gas? （）
One of the principal dangers inherent in liquefied petroleum gas is（）.