7000+ Steel Making Quiz Questions and Answers Pdf - 1

Question: 1

Which is the most stable oxide product during refining of pig iron?

(A) MgO

(B) CaO

(C) MnO

(D) SiO₂

Question: 2

Presence of _____ in steel is mainly responsible for the occurrence of hair line crack.

(A) Phosphorous

(B) Nitrogen

(C) Sulphur

(D) Hydrogen

Question: 3

Kaldo process of steel making is not practised widely mainly due to its

(A) High slopping tendency

(B) Very high oxygen consumption

(C) Low yield of steel

(D) High refractory consumption

Question: 4

Grade of pig iron is decided by its ____ content.

(A) Carbon

(B) Sulphur

(C) Manganese

(D) Silicon

Question: 5

With increase in steel melting furnace temperature, the slag viscosity

(A) Increases

(B) Decreases

(C) Remains same

(D) May increase or decrease, depends on the slag composition