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Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A rotating circular shaft, machined from AISI 1030 Q&T* steel, is subjected to a torque that varies from a value of 20
N.m to 200 N.m and to a fluctuating bending moment that varies from a value of - 500 N.m to 1500 N.m. Also an axial
tensile force of 15 kN acts on the element. The torque and the bending moments have their peak values at the same
time and their frequencies are same. Find the factor of safety of the element for an infinite operation life assuming the
reliability as 0.90. Use Modified Goodman Diagram and take di = 80 mm, d2 = 60 mm and r = 6 mm.
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