The rate of entropy generation in the surroundings is

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1.The velocity of air increases from 30 to 160 m/s as it flows through a nozzle in an isothermal process.The pressure of the air at the inlet is 100 kPa and 85 kPa at the outlet. The temperature of the surroundings is 20 C.This process is: a) adiabatic b) isentropic c) reversible d) irreversible

2.Steam at 500 kPa and 200 C is mixed adiabatically with cold water at the same pressure and 15 C to produce 1 kg/s saturated liquid water at 500 kPa. The rate of entropy generation in the surroundings is? in kw/K

Reference no: EM13546939

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