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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 system consisting of 2kg of R-134a undergoes a cycle composed of the following processes: Process 1-2: constant volume from P1= 10 bar, x1=0.6 to saturated vapor. process 2-3 con
how bike''s hydraulic shock absorbers work?
Q. Material selection by temperature range 750° to 1100°F (400° to 600°C) ? Plain carbon steels are usually limited to a maximum operating temperature of 750°F (400°C). There
Disk requests come in to the disk driver for cylinders 10, 22, 20, 2, 40, 6, and 38, in that order. A seek takes 6 mes per cylinder moved. How much seek time is needed for (a) F
Standard for External Representation of Product Data (STEP) The furthest developed standard is by ISO 10303, or STEP, Standard for the Exchange of Product model data. One of t
Planning A New Airport: Elements of Airport Planning The elements of planning for a new airport are : (a) Demand Forecast (b) Site Selection (c)
Work done - thermodynamics: A free expansion process is a process in which system expands freely without experience any resistance. I.E. is constant at the time of state chang
Face plate turning fixtures
ARC INITIATION Touch Start With the power supply energised and the shielding gas flowing through the cup, the torch is lowered toward the workpiece until the tungsten electr
Calculate the greatest stress - plate: A rectangular plate 10 mm thick within a hole of 50 mm diameter drilled on this is as shown in Figure 10. This is subjected to axial pul
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