Question: A rotating beam test specimen when loaded to a stress of 900 MPa gives a life of 1000 load cycles. When loaded to 500

A rotating beam test specimen when loaded to a stress of 900

A rotating beam test specimen when loaded to a stress of 900 MPa gives a life of 1000 load cycles. When loaded to 500 MPa, it withstands 106 cycles. If the required life of the component is 50,000 cycles, what is the maximum stress it can be loaded? (cont (a) 645 MPa (c) 600 MPa (b) 831.56 MPa (d) 700 MPa

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