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The figure is below
Q1/ Figure (1) preserits a model of two steel machine parts clamped together with a single in-13 UNC grade 5 bolt with cut threads and subjected to a separating force that fluctuates between zero and Fmax and effective area of clamped member is (1.19 ?). what is the greatest value of Fmax that would give infinite bolt fatigue life (a) if the bolt has no initial tension and (b) if the bolt is initially tightened to its 85% proof load? Also design the nut. the modulus of elasticity for steel is (30 MPsi) (40 Marks)
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engineering   Mechanical-Engineering   
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