Foundry Metallurgy MCQ Questions and Answers

Foundry Metallurgy MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Foundry Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Foundry 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-4 section-1

What are the bonding theories?

A) Electrostatic bonding theory B) Surface tension theory C) Block and wedge theory D) All of these

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Answer & Solution

Answer: Option D

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What are the materials used for pattern making?

A) Wood B) metal C) Wax D) all of these

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Answer & Solution

Answer: Option D

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At the mould exit of a continuous caster, the metal consisting of a solidified shell with a liquid metal core exits at the rate of 35 kg S^-1. Given that the latent heat of fusion is 3 × 10⁵ J kg^-1 and the total rate of heat removal by the mould is 4.2 × 10⁶ W, the mass fraction of solid at the mould exit is . . . . . . . .
Assume that both while solid and liquid remain at the melting point, they are in the mould.

A) 0.1 B) 0.4 C) 0.8 D) 1.5

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Answer & Solution

Answer: Option B

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. . . . . . . . is the tendency of the matter to change its shape, area and volume in response to a change in temperature

A) coefficient of friction B) coefficient of expansion C) durability D) None of these

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Answer & Solution

Answer: Option B

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What are the tests done for molding sand?

A) Moisture content test B) Clay content test C) Refractoriness test D) All of these

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Answer & Solution

Answer: Option D

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Riser are not required for casting

A) stainless steel B) plain carbon steel C) grey cast iron D) white cast iron

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Answer & Solution

Answer: Option C

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What are the parameters that amount of taper depends?

A) Mold materials B) Molding methods C) Shape and size (length) of the pattern in the depth direction in contact with the mold cavity D) All of these

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Answer & Solution

Answer: Option D

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In a sound casting the last liquid to solidify is in the

A) runner B) riser C) gate D) vent

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Answer & Solution

Answer: Option B

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Match the defects in Group 1 with possible causes in Group 2.

Group 1	Group 2
P. Misruns	1. Sand expansion
Q. Shifts	2. Molding materials
R. Blowholes	3. Improper heating of metals
S. Scabs	4. Molding and core making

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

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Answer & Solution

Answer: Option A

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During metal casting of a slab, the thickness of solid formed after time 't' is proportional to

A) $${t^{\frac{1}{3}}}$$ B) $${t^{\frac{1}{2}}}$$ C) t D) t²

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Answer & Solution

Answer: Option B

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