The principal stresses at a point in an elastic material are 30 MPa (compressive), 20 MP-...

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The principal stresses at a point in an elastic material are 30 MPa (compressive), 20 MP- (tensile) and 50 MPa (tensile). If the material properties are, μ = 0.25 and E = 200 GPa, then the volumetric strain of the material is (a) 2.5 × 10-5 (c) 10 x 10-5 (b) 5 × 10-5 (d) 10 × 10-³ The principal stresses at a point in an elastic material are 30 MPa (compressive), 20 MP- (tensile) and 50 MPa (tensile). If the material properties are, μ = 0.25 and E = 200 GPa, then the volumetric strain of the material is (a) 2.5 × 10-5 (c) 10 x 10-5 (b) 5 × 10-5 (d) 10 × 10-³

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