Iron Making in Metallurgy MCQ Questions and Answers

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-2 section-1

The exit gases of blast furnace contains . . . . . . . . % carbon-monoxide, when equilibrium is achieved.

A) 15 B) 25 C) 35 D) negligible

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Answer & Solution

Answer: Option D

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Group I is a list of technologies for alternate methods of producing iron. Group II is a list of terms you come across in the context of these technologies. Match the items.

Group I	Group II
P. MIDREX	1. Retort
Q. COREX	2. Rotary kiln
R. SL/RN	3. Smelting reduction
S. HyI- I	4. Shaft furnace

A) P-3, Q-1, R-2, S-4 B) P-4, Q-2, R-1, S-3 C) P-1, Q-3, R-2, S-4 D) P-4, Q-3, R-2, S-1

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Answer & Solution

Answer: Option A

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In the blast furnace, as the oxygen percentage in air blast increases, the
P. flame temperature increases
Q. blast volume increases
R. blast volume decreases
S. flame temperature decreases

A) P, Q B) P, R C) R, S D) Q, S

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Answer & Solution

Answer: Option B

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Blast furnace is a

A) counter-current reactor B) co-current reactor C) cross-current reactor D) combination of all the three

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Answer & Solution

Answer: Option A

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Pellets are not popular as a burden material as sinter in the iron blast furnace, because of their

A) shape B) swelling tendency C) poor reducibility D) low mechanical strength

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Answer & Solution

Answer: Option B

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Scaffolding is a

A) large mass of that material gets stuck to the furnace wall B) excessive blast pressure resulting in counteracting the downward movement of stock C) both A and B above D) none of these

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Answer & Solution

Answer: Option A

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The chemical formula of Wustite is

A) FeS₂ B) Fe₂O₃ C) Fe₂O₄ D) FeO

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Answer & Solution

Answer: Option D

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Maximum tonnage of . . . . . . . . is produced in blast furnace during iron making.

A) pig-iron B) slag C) gas D) dust particles

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Answer & Solution

Answer: Option C

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Solution loss reaction occurs

A) in the blast furnace shaft B) during pretreatment of hot metal C) in the LD process D) during deoxidation in the ladle

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Answer & Solution

Answer: Option A

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An increase in ash content of coke by 1%, decreases the production rate by

A) 2 - 3% B) 5 - 6% C) 3 - 6% D) 6 - 10%

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Answer & Solution

Answer: Option C

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