USCG USCG Safety Deck
Set 3 • Question #71 of 105
Launch Interactive Practice Room The minimum concentration of a vapor in air which can form an explosive mixture is called the __________.
A
auto-ignition point
B
flash point
C
lower explosive limit (LEL)
✓ Correct Answer
D
threshold limit value (TLV)
USCG NMC Regulatory Explanation
Under USCG Deck Safety, SOLAS Chapter III, and 46 CFR regulations, when addressing 'The minimum concentration of a vapor in air which can form an explosive mixture is called the', the mandated standard is: 'lower explosive limit (LEL)'.
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