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The defect indicated by curvature formed in a transverse direction is:(a) Bow(b) Spring(c) Twist(d) CupThis question was addressed to me in unit test.Question is from Defects and Preservation of Timber in division Materials for Construction of Basic Civil Engineering |
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Answer» CORRECT choice is (d) Cup To explain: BOW is curvature in direction of length.Spring is curvature in its own plane.Twist occurs when timber plank has SPIRALLY DISTORTED ALONG its length. |
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