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1. |
Stress concentration in a machine component of a ductile material is not so harmful as it is in a brittle material because |
A. | in ductile material local yielding may distribute stress concentration |
B. | ductile material has larger young's material |
C. | Poisson's ratio is larger in ductile materials |
D. | Modulus of rigidity is larger in ductile materials |
Answer» B. ductile material has larger young's material | |