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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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
最新試題
Upon release to the atmosphere，LFG readily（）.
Combustible gas indicators operate by drawing an air sample into the instrument（）.
Gasoline fumes tend to（）.
Butadiene，inhibited，is labeled as a（）.
What is used to test a tank for oxygen content?（）
The amount of LFG that may be loaded into a given tank is determined by（）.
The airborne concentrations of substances (such as H2S) under which nearly all workers may be repeatedly exposed without adverse effects are called（）.
The weight of liquefied petroleum gas vapors as compared to air is（）.
When fueling has been completed（）.
The tops of vents from gasoline tanks should terminate（）.