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


Question: 2

Which is the weakest deoxidiser of molten steel?

(A) Titanium

(B) Vanadium

(C) Chromium

(D) Tungsten

Ans: C


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


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


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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