In case of plane strain, the strain(ε3=0) in one of the principal di – McqOptions

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1.	In case of plane strain, the strain(ε3=0) in one of the principal directions is zero, but the stress is non-zero (σ3 is nonzero) in this direction. σ3= _____________
A.	ν (σ1+ σ2)
B.	E (1- ν2) (σ1+ σ2)
C.	σ1+σ2
D.	{E/(1- ν2)} (σ1+ σ2)
Answer» B. E (1- ν2) (σ1+ σ2)

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