Principal stresses at a point in an elastic material are 1.5 σ (tensile), σ (tensile) and 0.5 σ (compressive). The elastic limit in tension is 210 MPa and μ = 0.3. The value of σ at failure when computed by maximum principal strain theory is, nearly.

Principal stresses at a point in an elastic material are 1.5 σ (tensi

1.	Principal stresses at a point in an elastic material are 1.5 σ (tensile), σ (tensile) and 0.5 σ (compressive). The elastic limit in tension is 210 MPa and μ = 0.3. The value of σ at failure when computed by maximum principal strain theory is, nearly.
A.	140.5 MPa
B.	145.5 MPa
C.	150.5 MPa
D.	155.5 MPa
Answer» E.

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Principal stresses at a point in an elastic material are 1.5 σ (tensile), σ (tensile) and 0.5 σ (compressive). The elastic limit in tension is 210 MPa and μ = 0.3. The value of σ at failure when computed by maximum principal strain theory is, nearly.
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Principal stresses at a point in an elastic material are 1.5 σ (tensile), σ (tensile) and 0.5 σ (compressive). The elastic limit in tension is 210 MPa and μ = 0.3. The value of σ at failure when computed by maximum principal strain theory is, nearly.

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