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Iron Making in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Iron Making in Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Iron Making in Metallurgy are specifically designed for students of Metallurgical Engineering who are preparing for the GATE Exam. Strengthen your preparation and excel in your studies with this valuable resource. Page-5 section-1

41
Blast furnace gas
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Answer & Solution
Answer: Option A
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42
The gas temperature at the tuyere's level is about . . . . . . . . degree centigrade.
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Answer: Option D
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43
The chemical reserve zone in the blast furnace contains mainly of
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Answer: Option A
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44
High top pressure in the iron blast furnace
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Answer: Option B
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45
The carbon percentage of pig iron is
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Answer: Option A
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46
In an ideal blast furnace, the input and output are as follows:
Input:
Ore, Pure Fe2O3, no gaunge : 1357kg/THM∗
Coke, Pure C, no ash : 400 kg/THM
Blast air, dry : O2 : 293 kg/HTM, N2 : 964 KG/THM
Flux : nil
Output :
Hot metal : 5wt% C, rest iron
Slag : nil
Top gas : CO, CO2, N2
∗ THM refers ton of hot metal (liquid pig iron) ; Atomic weights: C-12, O-16, Fe-56 The amount of oxygen in CO & CO2 leaving with the top gas is . . . . . . . . kg.
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Answer: Option C
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47
To form basic slag, which of the following is added?
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Answer: Option A
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48
The chemical reserve zone in the iron blast furnace consists mainly of
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Answer: Option D
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49
The active metal mixer also does . . . . . . . .
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Answer: Option B
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50
The permeability of burden in an iron making blast furnace can be improved by using
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Answer: Option B
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