A shaft is subjected to a maximum bending stress of 80 N/mm and maximu – McqOptions

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1.	A shaft is subjected to a maximum bending stress of 80 N/mm and maximum shearing stress equal to 30 N/mm at a particular section. If the yield point in tension of the material is 280 N/mm and the maximum shear stress theory of failure is used, then the factor of safety obtained will be
A.	2.5
B.	2.8
C.	3.0
D.	3.5
Answer» C. 3.0

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