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What is the maximum allowable amount of moisture on wood?

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in Engineering Material & Metallurgy by (773k points)
What is the maximum allowable amount of moisture on wood?

(a) 10%

(b) 30%

(c) 45%

(d) 55%

I had been asked this question in a national level competition.

My question is based upon Pattern Making topic in division Testing of Materials, Foundry & Powder Metallurgy of Engineering Material & Metallurgy

1 Answer

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Correct option is (a) 10%

The explanation: Wood is the most commonly used material for pattern making. It should not contain moisture of more than 10% in order to avoid warping and distortion. Metal spray coating up to 0.25 mm thick may be given on the pattern. Additionally, zinc and aluminum are used for coating the metals on the wooden surface.

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