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1. |
What is the relationship between engineering stress and true stress?Given that; s = engineering stress, σ = true stress, e = engineering strain, ε = true strain. |
A. | σ = s(e+1) |
B. | σ = ln(s) |
C. | σ = ln[s(e+1)] |
D. | σ = se+1 |
Answer» B. σ = ln(s) | |