STCW Basic Gas Tanker Practice Questions - STCW Basic Training For Liquefied Gas Tanker Cargo Operations (V 1-2) Exam

Methane gas is flammable in air over approximately which concentration range by volume?

1 to 9 percent 12 to 25 percent 2 to 10 percent 5 to 15 percent

Correct Answer:

5 to 15 percent

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