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The shaft, as given in Figure is driven by pulley B from an electric motor. Another belt drive from pulley A is operating a compressor. The belt tensions for pulley A are 1500 N and 600 N. The ratio of belt tensions for pulley B is 3.5. The diameter d of pulley A is 150 mm and the diameter d of pulley B is 480 mm. The maximum allowable tensile stress for the shaft material is 170 MPa and the allowable shear stress is 85 MPa. Taking bending and torsion factors as 1.25 and 1.75 respectively, Evaluate the shaft diameter. Also search out the dimensions for a hollow shaft with outside diameter limited to 30 mm. Compare the weights of the two shafts.
What is bending stress? The bending moment at section tends to bend or deflect beam and internal stresses resist its bending. The process of bending stops when the cross sectio
Gear Complaints Nature of Complaints (a) Gear shifting hard (b) Gear slipping (c) Gear noise
Before I submit my papers, I need to have something in writing regarding confidentiality of my work. Please advise. Bill Bridges
FLUX FEEDING & RECOVERY SYSTEM The flux is fed by gravity from the flux delivery hopper mounted on the welding head through a tube into the welding zone. Flux feeding is normally
wire-frame entities-representing ellipse and parabolas
Determine the tension in the cord: Two blocks containing the weights and positions illustrated in Figure rest on a frame which rotates around its vertical axis at a constant s
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Q. Design Ventilation Systems for plant? While some natural ventilation may sometimes be used, a pressurized HVAC (heating, ventilation and air-conditioning) system is more typ
Find out the magnitude of the force to keep equilibrium: Th e lever ABC of a component of machine is hinged at point B , and is subjected to a system of coplanar forces.
Q. Show Bolt Material? Bolt material must be selected with adequate yield strength at the operating temperature to provide the required strength to properly seat the gasket. It
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