The principal stresses at a point in a stressed material are σ1=200N/mm2, σ2=150N/mm2, and σ3=200N/mm2. E = 210 kN/mm2andμ=0.3. The volumetric strain will be
A
8.945×10−4
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B
8.945×10−2
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C
6.54×10−3
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D
6.54×10−4
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Solution
The correct option is A8.945×10−4 Volumetric strain ∈v=σ1+σ2+σ3E(1−2μ)