8-153 Air is throttled from 50°C and 800 kPa to a pressure of 200 kPa at a rate of 0.5 kg/s in an environment at 25°C. The change in kinetic energy is negligible, and no heat transfer occurs during the process. The power potential wasted during this process is a) 0 b) 0.20 kW c) 47 kW d) 59 kW e) 119 kW | |
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