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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.
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deravsion of torsion
How is bearing capacity of soil varied? The bearing capacity of soil varies not only with its strength but also with the magnitude and distribution of the load. When a load Q,
Working of boiler : Water is filled in boiler shell through the feed valve up to 2/3 rd of shell. Water flows down through the down take header by means of descending wa
Processing Sequence for Manufacturing Coupling Nut Referring to the Figure 12 below, we now illustrate the processing sequence for manufacturing coupling nut.
In a 4-Bar process the following data is given :- Length of crank (AB) = 300 mm, Length of link AD = 600 mm, Length of links BC = CD = 360 mm, Angle BAD ie ∠BAD = 60o ,
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Interpoles or commutating poles Interpoles are ?xed to the frame in among main poles. They are used for sparkless commutation, i.e, to improve commutation.
engineering dynamics problems of kinetics of particle
Vertical vessels having height-to-diameter ratios greater than 8 and weighing more than 25,000 lb. (11300 kg), shall have bending stresses in the vessel shell/skirt checked, from t
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