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Water vapor at 100 lbf/in^2, 500 degrees F and a velocity of 100 ft/s enters a nozzle operating at steady state and expands adiabatically to the exit, where the pressure is 40 lbf/in^2. If the isentropic nozzle efficiency is 95%, determine for the nozzle (a) the velocity of the steam at the exit, in ft/s and (b) the amount of entropy produced, in Btu/degree R per lb of steam flowing.
Evaporate from the athletes skin to dissipate
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Superheated water vapour at 180 psia and 500 degrees Farenheit is allowed to cool at a constant volume until the temperature drops to 250 degrees Farenheit. At the final state, determine
An ideal Refrigeration cycle with R134a as the working fluid consists of isentropic compression from saturated vapor at -10 C, constant-pressure heat rejection in the condenser5 at 39 C, constant- enthalpy pressure loss across a throttle valve, and c..
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