1.

The fracture stress according to Irwin’s modification is given as ________a) (Eδc/πa)1/2b) (Eδc/πa)c) (Eδc/2πa)1/2d) (Eδc/2π

A. (Eδc/πa)1/2
B. (Eδc/πa)
C. (Eδc/2πa)1/2
D. (Eδc/2πa)
Answer» B. (Eδc/πa)


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