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Furnace Technology-Data Intensity 4 :: Discussion

6.	Protective gas used in the annealing furnace for steel coil comprises of___?
	A.	95% N2 + 5% H2
	B.	5% H2 + 9% N2
	C.	100% CO
	D.	100% H2

	Answer: Option A


	Explanation:




	Tutorial Link:

Published by:Michael Daani

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