Mineral Dressing in Metallurgy MCQ Questions and Answers

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

Which of the following parts of a jaw crusher is subjected to maximum wear and tear during its operation?

A) check plates B) jaw plates C) toggles D) crush shaft

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Floatation beneficiation is based on the principle of

A) Miiieral surface hydrophbicity B) Gravity difference C) Chemical reactivity D) Partical size difference

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Role of a "collector" in floatation is to

A) form a water repelling film on the mineral surface B) create and stabilise the froth C) act as a surfactant D) collect the minerals according to their specific gravity

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Electrostatic separation of minerals from each other is based on their differences in the following property:

A) Densities B) Magnetic permeabilites C) Electrical conductivities D) Hardness

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Cyclones are primarily used for

A) comminution B) concentration C) dewatering D) classification

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Ore concentration by Jigging is based on the . . . . . . . . of the particles.

A) difference in specific gravities B) wettability C) Shape D) none of these

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The process for selectively separating hydrophobic materials from hydrophilic.

A) Froth flotation B) Gravity separation C) Magnetic separation D) None of these

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Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

As particle size is reduced

A) screening becomes progressively more difficult B) screening becomes progressively easier C) capacity & effectiveness of the screen is increased D) none of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Fibrous material is broken by a

A) roll crusher B) squirrel-cage disintegrator C) ball mill D) none of these

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

The screen effectiveness . . . . . . . . with increase in the capacity of the screen.

A) Decreases B) increases C) increases linearly D) remains unaffected

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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Mineral Dressing in Metallurgy MCQ Questions and Answers | Metallurgical Engineering