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Explosion limit of blast furnace gas is 37 to 71 gas...

This question belongs to Chemical Engineering Fuels And Combustion
Fuels and Combustion
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Explosion limit of blast furnace gas is 37 to 71% gas in gas-air mixture. It means that the blast furnace gas will explode when burnt in a confined space, if its concentration in the gas-air mixture is __________ percent.

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Correct Answer: Option C
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