A.pressure vacuum relief valves
B.excess flow valves
C.safety relief valves
D.flame screens
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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
A.keeps sparks from falling into an open tank
B.secures covers on ullage openings
C.prevents sparks from getting out of an engine's exhaust system
D.grounds static electricity
最新試題
Each inert gas system must be designed to supply the cargo tanks with a gas，or mixture of gasses，that has an oxygen content by volume of（）.
What is the proper first aid for LPG in the eye? （）
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.
The vapor pressure of a gas is the pressure necessary to keep it in a(n)（）.
Where is thicker plating usually found in the construction of integral tanks on a ship? （）
When fighting fires in spaces containing bottles of LPG (liquefied petroleum gas)，you should （）.
Storage batteries should be charged in a well ventilated area because（）.
If you have a liquefied flammable gas barge in tow，which is NOT required of you with respect to the barge and its cargo? （）
Butadiene，inhibited，is labeled as a（）.
What would you consult to determine the number of persons required on duty while loading a cargo of leaded gasoline on your tanker? （）