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.

Why the quality of sand deteriorates if the same molding sand is used again and again?

A) Build up of clay and other organic coatings on the molding sand particles B) Presence of foreign and scrap matter like iron particles, feyalite, etc. C) Occurrence of pieces of oil sand D) All of these

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Answer & Solution

Answer: Option D

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Shrinkage allowances is also known as

A) finish allowance B) contraction allowance C) taper allowance D) camber allowance

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Answer & Solution

Answer: Option B

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Green sand consists of

A) 70% sand and 30% clay B) 40% sand and 60% clay C) 30% sand and 70% clay D) 60% sand and 40% clay

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Answer: Option A

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The low permeability in sand can cause which of the following defects in casting

A) Rough surface B) Blow holes C) hot tears D) Drop

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Answer: Option B

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In a sand casting of a rectangular slab, the thickness of the solidified layer after 2 minutes is known to be 3 cm. Based on Chvorinov's rule, the solidified thickness (in cm) after 4 minutes is

A) 1.8 B) 4.3 C) 6.8 D) 9.2

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Answer: Option C

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Feed heads, feeders and risers in casting serve to provide sources of molten metal to compensate for

A) misruns B) cold shuts C) hot tears D) shrinkage

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Answer: Option D

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What are the applications of nodular cast iron?

A) Paper industries machinery B) Power transmission equipment C) Construction machinery D) All of these

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Answer: Option D

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In centrifugal castings, the impurities are . . . . . . . .

A) Uniformly distributed B) Forced outside the surface C) Collected in the center of casting D) Present in the middle section of casting

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Answer: Option C

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The thickness of shells in shell molding is

A) 0.3 to 0.6mm B) 0.6 to 0.9mm C) 0.9 to 1.2mm D) 1.2 to 1.5mm

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Answer: Option A

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Solidification time of a thin plate casting in a sand mould increases by approximately 4 times with the doubling of

A) thickness B) length C) both width and length D) length, width and thickness

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Answer & Solution

Answer: Option A

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