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_________ patterns are free from knots and other common defects.

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in Foundry and Forging by (110k points)
_________ patterns are free from knots and other common defects.

(a) Wood

(b) Metal

(c) Plastic

(d) Wax

I got this question in an interview for internship.

My question is taken from Materials used for Patterns topic in chapter Casting Processes of Foundry and Forging

1 Answer

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The correct answer is (a) Wood

For explanation: The straight grained and properly seasoned wood such as Mahogany, Teak, Deodar etc., are free from knots and are easy to work with. There are very few defects in casting when worked with these patterns.

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