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1. A torque applied to a solid rod of radius r causes the elastic region to extend a distance r/2 from the center of the rod. If the torque is then removed, determine the residual shear stress distribution.
2. The outer diameter of a hollow shaft is twice its inner diameter. Determine the residual stress pattern after the limit torque has been applied and removed.
during some actual expansion and compression processes in piston-cylinder devices the gases have been observed to
a heat exchanger is to be designed to condense 1100 kghr of steam ay 150 kpa. for this purpose cooling water at 50
calculate the energy for vacancy formation in al given that the equilibrium number of vacancies at room temperature 25
xerted on the shaft shown in the figure, which rotates at 1150 rev/min and supports a 10-kip bending force. Use a 1095 HR steel. Specify a diameter d using a design factor of nd = 1.6 for a life of 3 min. The surfaces are machined.
briefly explain a why there may be significant scatter in the fracture strength for some given ceramic material and b
determine the entropy production rate as 5.00 lbms of saturated water vapor at 14.696 psia is condensed isothermally
A piston-cylinder assembly contains CO2. The CO2 expands with PV1.5=constant where the initial state is 200 degrees F and 40 lbf/in^2, to a final state where the volume doubles. Determine the final temperature, pressure, work and heat transferred
a tank originally contains 100 liters of water with a concentration of 50 gl. water containing 200 gl is poured into
A simple ideal Rankine cycle with water as the working fluid operates between the pressure limits of 15 MPa in the boiler and 100 kPa in the condenser. Saturated steam vapor enters the turbine. Determine the work produced by the turbine, the heat tra..
Data for steady-state operation of a vapor-compression refrigeration cycle with propane as the working fluid are given in the table below. The states are numbered as in Fig. 10.3. The mass flow rate of refrigerant is 8.42 lb/min. Heat transfer fro..
water vapor at 500 kpa and 320degc enters a turbine operating at steady state with a volumetric flow rate of 0.65 m3s.
A 1.5in diameter rod 20ft long elongates .48in under a load of 53 kips. the diameter of the rod increases .001in during loading. Determine the poisons ratio, modulus of elasticity, and shear modulus
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