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Poisson’s ratio of steel is ________

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Poisson’s ratio of steel is ________

(a) 0.1

(b) 1.0

(c) 0.3

(d) 2.0

This question was posed to me during an online exam.

The origin of the question is Properties of Steel topic in chapter Materials, Structures and Specifications of Design of Steel Structures

1 Answer

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The correct option is (c) 0.3

Easy explanation: Poisson’s ratio = transverse strain/axial strain. As per IS 800-2007, Poisson’s ratio of steel is 0.3 in elastic range and it is 0.5  in plastic range.

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