USCG USCG Safety Deck
Set 2 • Question #50 of 105
Launch Interactive Practice Room The atmosphere in a tank is too lean if it is __________.
A
incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit)
✓ Correct Answer
B
capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit)
C
capable of supporting a fire once started not
D
safe for ballasting
USCG NMC Regulatory Explanation
Under USCG Deck Safety, SOLAS Chapter III, and 46 CFR regulations, when addressing 'The atmosphere in a tank is too lean if it is', the mandated standard is: 'incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit)'.
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