L.D. converter is used in the production of_________________?
A. Pig iron
B. Steel
C. Copper
D. Zinc
A. Pig iron
B. Steel
C. Copper
D. Zinc
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. For the manufacture of gas mantles
B. As a fissile fuel in a nuclear reactor
C. In the manufacture of hydrogen bomb
D. In the treatment of cancer
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
A. Quick lime
B. Glauber’s salt
C. Salt petre
D. Bromine
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.