Safety & Environmental Protection (Deck) USCG Question #610 (Set 18)

The explosive range of petroleum vapors mixed with air is __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — 1% to 10%

Under USCG Deck Safety, SOLAS Chapter III, and 46 CFR regulations, when addressing 'The explosive range of petroleum vapors mixed with air is', the mandated standard is: '1% to 10%'.

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