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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.
definition of latent heat evaporization
A large tower is to be supported by a series of steel wires; it is estimated that the load on each wire will be 13,300 N (3000 lb f ). Determine the minimum required wire diameter,
Determine whether the following functions can be used as Airy stress functions, if so what kind of stress states they present a) ? = 20y 3 b) ? = 3y 2 +4x 3 y c
Calculate the radius of plates: A laminated steel spring, simply supported at the ends & centrally loaded, along a span of 0.8 m; is needed to carry a proof load of 8 kN; and
application of optiz
Necessity of Tyres To supports the motorcycle load. To provide cushion against shocks. To allow smooth handling of motorcycle. To transmit driving and braking
simply supported beam subjected to point loads results
Q. Measurement of river water levels? In designing bridges and other engineering structures on rivers, maximum discharge and highest flood level form essential data for design
Steps of servicing Bring the motorcycle in the washing bay. Clean the motorcycle with recommended soap solution and soft sponge. Wash the motorcycle with a jet o
Tunnels: Tunnels become unavoidable for negotiating hills, where detours are costly. The tunnels in rock are not lined, but those in loose strata require a lining of cement c
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