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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) | |