_Maximum shear stress theory for the failure of a material at the elas

1.	_Maximum shear stress theory for the failure of a material at the elastic limit, is known$?
A.	Guest's or Trecas' theory
B.	St. Venant's theory
C.	Rankine's theory
D.	Haig's theory
Answer» B. St. Venant's theory

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_Maximum shear stress theory for the failure of a material at the elastic limit, is known$?

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