Extractive Metallurgy MCQ Questions and Answers

Extractive Metallurgy MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Extractive Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Extractive 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-3 section-1

In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:

A) Jet of water at high pressure B) Blast of air C) Mixture of air and water D) Rain of molten lead

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Answer & Solution

Answer: Option D

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Identify the correct combination of the following statements.
P. Bessemer converter can be used in copper smelting.
Q. The Mond process for nickel involves reaction of metal with H₂ gas.
R. Roasted ZnS concentrates can be smelted in a blast furnace.
S. Magnesium metal can be produced by electrolysis of sea water.

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

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Answer & Solution

Answer: Option A

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Which elements may be detected by magnetic methods?

A) Magnetite B) Ni C) Co D) All of these

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Answer & Solution

Answer: Option D

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Ores of Tin are

A) Cassiterite: SnO₂ B) Tannerite: SnO.TiO₂ C) Both A and B D) None of these

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Answer & Solution

Answer: Option A

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What are the uses of copper

A) Conducting element B) Alloying addition C) Both A and B D) None of these

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Answer & Solution

Answer: Option C

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Match the metal in Group 1 with the corresponding ores in Group 2.

Group 1	Group 2
P. Lead	1. Columbite
Q. Zinc	2. Cassiterite
R. Uranium	3. Galena
S. Niobium	4. Pitchblende
	5. Sphalerite

A) P-3, Q-5, R-2, S-1 B) P-3, Q-2, R-5, S-4 C) P-3, Q-5, R-4, S-1 D) P-3, Q-4, R-5, S-2

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Answer & Solution

Answer: Option C

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In Zinc recovery system, the zinc containing lead pumped from condensed at a temperature (°C)

A) 500 B) 550 C) 600 D) 700

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Answer & Solution

Answer: Option B

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Cassiterite is an important source for

A) tin B) titanium C) molybdenum D) thorium

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Answer & Solution

Answer: Option A

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Match the metallurgical processes in Group 1 with their corresponding reactors type in Group 2.

Group 1	Group 2
P. Roasting of sulfide concentrate	1. Pneumatic reactor
Q. L.D. steel making	2. Retort
R. Dwight-Lloyd sintering	3. Travelling grate reactor
S. Zinc extrrction	4. Fluidised bed reactor

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

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Answer & Solution

Answer: Option B

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In Pidgeon process, the reducing agent used is

A) carbon B) carbon monoxide C) hydrogen D) ferrosilicon

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Answer & Solution

Answer: Option D

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