7000+ Steel Making in Metallurgy MCQ Questions and Answers - 1
Question: 1
Which is used most extensively as a deoxidiser producing killed steel in practice?
(A) Zirconia
(B) Bauxite
(C) Nickel
(D) Aluminium
Ans: D
Aluminium
Question: 2
Which is the weakest deoxidiser of molten steel?
(A) Titanium
(B) Vanadium
(C) Chromium
(D) Tungsten
Ans: C
Chromium
Question: 3
Which of the following cannot be added in teeming laddle after the steel is tapped from L.D. converter?
(A) Alloying elements
(B) Deoxidisers
(C) Recarburisers
(D) None of these
Ans: B
Deoxidisers
Question: 4
Which of the following alloying elements when added to plain carbon steel does not increase its red hardness?
(A) Aluminium
(B) Tungsten
(C) Cobalt
(D) Molybdenum
Ans: A
Aluminium
Question: 5
In acid steel making process, _____ is not removed from pig iron.
(A) Silicon
(B) Sulphur and Phoshorous
(C) Carbon
(D) Manganese
Ans: B
Sulphur and Phoshorous
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