1.

The yield or failure criterion can be expressed as____________

A. f(I1,I2)=0
B. f(I1,I2,I3)=0
C. f(σ1,σ2,σ3)=0
D. f(σmax +σmin)
Answer» C. f(‚âà√¨‚àö√¢1,‚âà√¨‚àö√¢2,‚âà√¨‚àö√¢3)=0


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