Question: 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.
[A].< 37%
>71%
in between 37 & 71%
none of these
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.