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The extension of a circular bar tapering uniformly from diameter text...

This question belongs to Mechanical Engineering Strength Of Materials In ME
Strength of Materials in ME
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The extension of a circular bar tapering uniformly from diameter $${{\text{d}}_1}$$ at one end to diameter $${{\text{d}}_2}$$ at the other end and subjected to an axial pull of P is _________ the extension of a circular bar of diameter $$\sqrt {{{\text{d}}_1}{{\text{d}}_2}} $$  subjected to the same load P.

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Correct Answer: Option A
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