A.Scrubber
B.Demister
C.Deck water seal
D.Final filter
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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
A.keel
B.center of buoyancy
C.tipping center
D.amidships section
最新試題
Gasoline tanks should be filled（）.
Which is NOT a safety precaution to be observed during the loading of LFG?（）
The vapor pressure of a substance（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
Name one major advantage of transporting gas under refrigeration.（）
One of the principal dangers inherent in liquefied petroleum gas is（）.
It should be noted（）the use of synthetic mooring ropes able to produce sparks by their manipulation is absolutely forbidden on board petroleum tankers and LPG or LNG carriers，or any vessels carrying inflammable substances.
Upon release to the atmosphere，LFG readily（）.
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
Gasoline vapor tends to collect（）.