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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.
a) Describe Quality. What are various quality measures. b) A steel chairs manufacturer is also the quality inspector in his manufacturing unit this parameter of a chair being de
Determine the moment of forces: The side of a square ABCD is 1.60 m long .Four forces equal to 6, 5, 4 and 8 N acts respectively along with the line CB, BA, DA, DB. Determine
explain the properties of acouple
In a steam jet refrigeration system, the ejector extracts 3.3 m3/s of saturated water vapor at a temperature of 7.2 °C from the flash chamber. The return water from the cooling coi
An aircraft flap actuator housing made of cast magnesium alloy ZAG3A-T4 with uniaxial yield strength σ Y = 14,000 psi. At the suspected critical point the calculated state of str
Advantages of resistance welding 1. Resistance welding is very fast compared to arc welding. 2. Almost any combination of metals can be resistance welded provided necessa
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Step s for Solving Problem for Finding Maximum Power: 1. Use formula stress (σ) = force (Maximum Tension)/Area Where; Area = b.t that is, T max = σ.b.t 2. Unit mass (
how to solve numerical of proell governor
Advantages of two stroke engine over a four stroke engine: The advantages of two stroke engine over a four stroke engine are stated below: 1. A two stroke engine has twice
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