The atmosphere in a tank is too rich when it...
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Question 1 of 27070
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The atmosphere in a tank is too rich when it is __________.
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A
incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere below the LFL (Lower Flammable Level)
B
incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere above the UFL (Upper Flammable Limit)
C
in a noncombustible state which can be relied on to occur naturally on a regular basis
D
capable of supporting combustion
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Question 1 of 27070
66636eec28f7522a1c51c002
Q
The atmosphere in a tank is too rich when it is __________.
A
incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere below the LFL (Lower Flammable Level)
B
incapable of supporting combustion because the hydrocarbon vapor content makes the atmosphere above the UFL (Upper Flammable Limit)
C
in a noncombustible state which can be relied on to occur naturally on a regular basis
D
capable of supporting combustion
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