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
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
A.after the discharge valve
B.between the pump and discharge valve
C.after the suction valve
D.between the pump and suction valve
A.CCS marine surveyor
B.certified marine chemist
C.port engineer
D.MSA marine inspector
A.cooling the gas below the ignition point
B.cutting off the supply of oxygen
C.stopping the flow of gas
D.interrupting the chain reaction
A.odor
B.color
C.pressure
D.density
最新试题
What normally helps in detecting escaping gas? （）
Which is NOT a safety precaution to be observed during the loading of LFG?（）
The vapor pressure of a substance（）.
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（）.
Each ship having an inert gas system must have a portable instruments to measure concentrations of hydrocarbon vapor in inert atmospheres and also to measure（）.
Butadiene，inhibited，is labeled as a（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
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 weight of liquefied petroleum gas vapors as compared to air is（）.
What is the proper first aid for LPG in the eye? （）