Q. 37 A machine element is subjected to the following bi-axial state of stress; 
MPa;
MPa. If the shear strength of the material is 100 MPa, the factor
of safety as per Tresca’s maximum shear stress theory is
(A) 1.0
(B) 2.0
(C) 2.5
(D) 3.3
Answer: (B)
Explanation:
