A rectangular bar with a circular hole is to be made of a material wit – McqOptions

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1.	A rectangular bar with a circular hole is to be made of a material with actual maximum permissible stress of 150 MPa. If stress concentration factor for the configuration is 3.0, what is the nominal average stress for sizing the section?
A.	450 MPa
B.	50 MPa
C.	147 MPa
D.	None of these
Answer» C. 147 MPa

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