High purity nitrogen is used in
(A) Making protective gas (95% N2 + 5% H2
) for annealing of cold rolled
steel strip coils
(B) Fire fighting purposes
(C) Both (A) & (B)
(D) Neither (A) nor (B)
(A) Making protective gas (95% N2 + 5% H2
) for annealing of cold rolled
steel strip coils
(B) Fire fighting purposes
(C) Both (A) & (B)
(D) Neither (A) nor (B)