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Which instrument is suitable for determining the presence of explosive concentrations of fuel oil vapors in tanks ________．
A.A flame safety lamp
B.A combustible gas indicator
C.A liquid cargo meter
D.All of the above
参考答案
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flash pointB
upper explosive limitC
lower expiosive limitD
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isB
are ofC
is ofD
are
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单选题An inert gas system on a tanker should be used to（）.A
prevent the generation of flammable or combustible gas in tanksB
blow out cargo lines to prevent the build up of gas concentrationsC
dilute tank atmospheres to keep gas concentrations below the lower explosive limitD
prevent fires in the pumproom by continually displacing flammable vapors
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单选题An inert gas system on a tanker should be used to（）.A
prevent the generation of flammable or combustible gas in tanksB
blow out cargo lines to prevent gas concentrationsC
dilute tank atmospheres to keep gas concentrations below the lower explosive limitD
prevent fires in the pumproom by continually displacing flammable vapors
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auto-ignition pointB
flash pointC
lower explosive limit (LEL)D
threshold limit value (TLV)
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