Miscellaneous in Metallurgy MCQ Questions and Answers

Miscellaneous in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Miscellaneous in Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Miscellaneous 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-10 section-2

Two fluids of density ρ₁ and ρ₂ are flowing at velocity V₁ and V₂ respectively through smooth pipes of identical diameter and pressure per unit length. When the friction factor is same, the ratio ρ₁ and ρ₂ is equal to

A) $$\frac{{{V_1}}}{{{V_2}}}$$ B) $${\left( {\frac{{{V_1}}}{{{V_2}}}} \right)^2}$$ C) $${\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^2}$$ D) $${\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^{\frac{1}{2}}}$$

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Answer: Option C

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. . . . . . . . fiber length is necessary for effective strengthening and stiffening of the composite material.

A) Critical B) small C) Large D) all of these

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Answer: Option A

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In electrical resistance welding, cleaning of metals to be welded is

A) Immaterial B) Important C) Not effecting the welding D) None of these

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Answer: Option B

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Soldering clearance is given for brass is

A) 0.04 - 0.05 mm B) 0.5 - 0.75 mm C) 0.1 - 0.5 mm D) No clearance

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Answer: Option B

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In thermit welding heat is generated from

A) Chemical reaction involving finally divided Aluminium and iron oxide B) Combustion gases C) Electric arc D) None of these

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Answer: Option A

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The minimum stress required to move a dislocation is called

A) the Peierls-Nabarro (PN) stress B) the Peierls stress C) the Lattice Friction stress D) All are correct

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Answer: Option D

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In hot rolling, Aluminium alloys . . . . . . . . mills are used

A) two high B) three high C) four high D) tandem

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Answer: Option B

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How much is the extrusion ratio for Aluminium?

A) 100 : 1 B) 40 : 1 C) 400 : 1 D) 60 : 1

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Answer: Option C

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What is role of matrix in composite

A) Load transfer to composite B) Load transfer to reinforcement C) Both A and B D) None of these

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Answer: Option B

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What are the factors caused for arc blow?

A) Improper positioning of ground connection B) Large ferromagnetic mass close to welding Site C) Long arc length & High welding current D) All of these

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Answer: Option D

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