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
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Gasoline vapor tends to collect（）.
What is used to test a tank for oxygen content?（）
Before starting a gasoline engine on a motorboat，you should make sure for safety that（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）
Name one major advantage of transporting gas under refrigeration.（）
What normally helps in detecting escaping gas? （）
To determine the pressure and temperature limitations under which LFG is required to be transported on a barge，you should look at the（）.
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
Compared to the amount of concentrated foam liquid used，the amount of low expansion mechanical foam produced is（）.
The vapor pressure of a substance（）.