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Air at 14.7 psia and 60 °F enters a heavy duty compressor with negligibly small inlet speed. The air is discharge at a rate of 20 lbm/sec at 90 psia, and with a speed of 500 ft/s. If the power input is 3200 hp and the rate of heat transfer from the compressor is controlled by a cooling system to be 11 Btu/hr, determine the temperature of the discharged air (assuming other viscous losses to be negligible). Considering the rise in internal energy (which is also considered a loss), determine the efficiency of the compressor, Nc.
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feedwater in a steam power plant is to be heated in an ideal open feedwater heater that operates at a pressure of 0.5
materials have been used in engineering applications for thousands of years. sometimes these engineering structures or
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when a plastics plant is redesigned a tank exit is now facing the wrong direction and must be connected to a pipe of
write down expressions for the normal strain and the true strain for the following situation 1 in a tensile test where
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