1. (40 points) Calculate the work per minute required to pump 1 kg of water per second from 100 kPa and 25°C
to 1000 kPa and 45°C. The exit stream is 10 m above the entrance stream.
- Cp of water = 4.2 kJ/kg.°C, ? of pump = 0.7, Ev = 1.5 kJ/kg
?(5 point) Draw a picture including all information.
? (5 point) State what the system you select is.
? (15 point) When there is not fiction loss, calculate W (kJ/kg), Wrev (kW), Q (kJ/s).
? (15 point) When there is fiction loss, calculate W (kJ/kg), Wreal (kW). Q (kJ/s).