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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.
construction of machine
Load shared by concentric springs: Two concentric springs are subjected to an axial load of 60 kN. The maximum permissible deflection of the springs is 45 mm & the solid lengt
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A Mercedes-Benz 300SL (m = 1600 kg) is parked on a road that rises 20° above the horizontal. (a) What is the static frictional force that the ground exerts on the tires? (b) Wh
Working of lacashire boiler: WORKIN G: Water is filled through feed check valve. On burning fuel over grate, the hot gasses are produced which move in flue gas tubes.
A beam is simply supported and carries a uniformly distributed load of 40kn/m run over whole length or span. The section of the beam is rectangular having depth as 500mm. If the s
Evaluate total extraction: The steel tie rod 50mm in diameter and 2.5m long is subjected to pull of 100 KN . To what length the rod must be bored centrally so that total ext
2*2
please help me to calculate the diameter of a brake drum for using in a "brake drum dynamometer engine test rig" the engine specs are as follows: - 6Hp single cylinder 4stroke engi
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