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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.
Forces working on sphere: Let a sphere of mass m, suspended by means of a string, resting against a smooth wall, as illustrated in Figure (a). What are the forces working on i
for an otto cycle, compression ratio=8.5:1,air inlet=15degree celsius and pressure=101.3kpa, maximum cycle temperature= 1800degree celsius, what is temperature after compression,te
how do we solve circuits using the mesh current method
Write down the energy balance for a vapor stream going through a throttling valve (a valve that just reduces the pressure). State your assumptions. Suppose a nonvolatile materi
The problem: - Deaf blind people have a huge problem when crossing the streets. They always need assistance from a sighted person or a trained dog to cross the street. There i
Particle in a Box 1 (from Dr. Liebman): You will remember that the energy of a particle in a 3 (and 2) dimensional box is defined by 3 (or 2) quantum numbers. This brings up the co
What is the clear difference between gravitational potential and gravitational potential energy ? Ans) A body A of mass m is placed in the gravitational field of a body B of mass
Simple problem on direct stress and Bending stress
what are the essentials of a good steam generator?
Effect of curing conditions on strength, porosity, absorptivity, and shrinkage of concrete in hot and dry climate Abstract This term paper will study the effect of the wet a
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