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A bar of 20mm dia is subjected to a pull of 45kN.The measured extension on gauge length of 200mm is 0.05mm and change in dia is 0.0025mm.Calcuate the poisson's ratio and value of modulus of rigidity.
written 5.6 years ago by gravatar for teamques10 teamques10 ★ 69k modified 3.0 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k
strength of materials
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written 5.6 years ago by gravatar for teamques10 teamques10 ★ 69k

$$ \begin{array}{l}{\text { Data: } \mathrm{d}=20 \mathrm{mm}, \mathrm{L}=200 \mathrm{mm}, \delta \mathrm{L}=0.05 \mathrm{mm}, \delta \mathrm{b}=0.0025 \mathrm{mm}} \ {\text { Find: } \mu, \mathrm{G}} \ {\text { Calculate } \mu :} \ {\mu=\frac{\text {Lateral Strain }}{\text { Linear Strain }}} \ {\mu=\frac{(\delta d / d)}{\left(\delta_{L} / L\right)}} \ {\mu=\frac{(0.0025 / 20)}{(0.05 / …

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