A. 0.5% by volume B. 2.5% by volume C. 7.5% by volume D. 50% by volume « Previous Next »
Home meo class4 safety The flammable limit of methane by volume is 5%to 15%,if the combustible gas indicator reading is 50% when sampling a compartment containing methane a flammable vapour concentration at the sample point is A. 0.5% by volume B. 2.5% by volume C. 7.5% by volume D. 50% by volume « Previous Next »
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