Powder Metallurgy MCQ Questions and Answers

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Enhance your knowledge of Powder Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Powder 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

If the mesh size increases, powder particle size

A) Increases B) decreases C) Both A and B D) remains same

Discuss

Answer & Solution

Answer: Option B

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

. . . . . . . . particle shape is obtained for powders produced from hard, brittle deposits.

A) Dendritic B) Acicular C) Irregular D) angular

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Answer & Solution

Answer: Option D

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

Explosive compaction is

A) Pressure less compaction process B) Pressure compaction process C) Vibratory compaction D) Cold die compaction

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Answer & Solution

Answer: Option B

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

Final properties of the finished powder metallurgy product depends on

A) only size of powder particles B) only shape of powder particles C) only surface area of powder particles D) size, shape, and surface area of powder particles

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Answer & Solution

Answer: Option D

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

Which materials when mixed with water first form slurry, then set and finally harden?

A) Perovskites B) carbides C) cements D) glasses

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Answer & Solution

Answer: Option C

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

The dimensional accuracy in powder metallurgy?

A) High B) Medium C) Low D) Negligible

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Answer & Solution

Answer: Option A

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

A part produced by Powder metallurgy is termed as

A) Sintered part B) Cast part C) Forging part D) Welded part

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Answer & Solution

Answer: Option A

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In powder metallurgy, range of particle size (in microns) is?

A) 4 to 200 B) 0.300 to 0.003 C) 100 to 2000 D) 5000 to 6000

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Answer & Solution

Answer: Option A

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

In atomization process

A) passing molten metal through orifice and cooling it by dropping into water B) molten metal is forced through a small orifice and broken up by a stream of compressed air C) the hydrogen reduces the oxide to metallic powder D) powder of metal is made by ball milling

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Answer & Solution

Answer: Option B

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The vacancy concentration during sintering

A) directly proportional to the radius of curvature of the surface B) equal to the radius of curvature of the surface C) inversely proportional to the radius of curvature of the surface D) is independent of the radius of curvature of the surface

Discuss

Answer & Solution

Answer: Option C

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

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Powder Metallurgy MCQ Questions and Answers | Metallurgical Engineering