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Design of Machine Elements(a) A solid shaft transmits a torque T. The allowable shear stress is \tau. The diameter of the shaft is (i) \sqrt[3]{\frac{16T}{\pi\tau}} (ii) \sqrt[3]{\frac{32T}{\pi\tau}} (iii) \sqrt[3]{\frac{64T}{\pi\tau}} (iv) \sqrt[3]{\frac{16T}{\tau}}20262mDesign of Machine ElementsA shaft running at 400 rpm transmits 10 kW. Assuming allowable shear stress in the shaft as 40 MPa, find the diameter of the shaft.20267mDesign of Machine ElementsLewis equation in spur gears is used to find the (i) Tensile stress in bending (ii) Shear stress (iii) Compressive stress in bending (iv) Fatigue stress20262mDesign of Machine ElementsA 65 mm diameter solid shaft is to be welded to a flat plate by a fillet weld around the circumference of the shaft. Determine the size of the weld if the torque on the shaft is 3 kN-m. The allowable shear stress in the weld is 70 MPa.20267m
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