Metallurgy Engineering Iron Making, Steel Making MCQ Questions - 3

Question: 11

Which of the following charge materials in the blast furnace burden has got maximum average size?

(A) Lime

(B) Coke

(C) Sinter

(D) Iron ore lump

Question: 12

_____ iron is produced in cupola.

(A) High silicon

(B) Wrought

(C) Cast

(D) Pig

Question: 13

Blast furnace coke should contain a maximum of 2% of

(A) Ash

(B) Phosphorous

(C) Sulphur

(D) Volatile matter

Question: 14

Brown iron ores are rich in

(A) Carbonate

(B) Limonite

(C) Hematite

(D) Magnetite

Question: 15

In steel making processes, the ratio of phosphorous content in slag to that in metal of the slag.

(A) Has a higher value for higher oxidising power

(B) HIs called dephosphorising indexzas a higher value for higher basicity

(C) Is called dephosphorising index

(D) All a, b and c