Air is heated and humidified in air conditioning process. Mist humidifier is used. The mass flow rate of inlet air is 20 kg/s, temperature -5 °C and relative humidity 40%. After heating, the temperature of air is 30 °C. After mist humidifier, the relative humidity of air is 70%. Calculate or look up from Mollier chart: 1) Enthalpy of inlet air 2) Absolute humidity of inlet air 3) Enthalpy of heated air 4) Relative humidity of heated air 5) Absolute humidity of heated air 6) Heating power kJ/kg (with one decimal accuracy) g/kgdry air (with one decimal accuracy) kJ/kg (with one decimal accuracy) % (with zero decimal accuracy) g/kgdry air (with one decimal accuracy) kW (with zero decimal accuracy) 7) Absolute humidity after humidifier 8) Mass flow rate of the humidifier mist 9) Temperature after humidifier 10) Enthalpy after humidifier g/kgdry air (with one decimal accuracy) kg/s (with three decimal accuracy) °C (with one decimal accuracy) kJ/kg (with one decimal accuracy)

Air is heated and humidified in air conditioning process. Mist humidifier is used. The mass flow rate of inlet air is 20 kg/s, temperature -5 °C and relative humidity 40%. After heating, the temperature of air is 30 °C. After mist humidifier, the relative humidity of air is 70%. Calculate or look up from Mollier chart: 1) Enthalpy of inlet air 2) Absolute humidity of inlet air 3) Enthalpy of heated air 4) Relative humidity of heated air 5) Absolute humidity of heated air 6) Heating power kJ/kg (with one decimal accuracy) g/kgdry air (with one decimal accuracy) kJ/kg (with one decimal accuracy) % (with zero decimal accuracy) g/kgdry air (with one decimal accuracy) kW (with zero decimal accuracy) 7) Absolute humidity after humidifier 8) Mass flow rate of the humidifier mist 9) Temperature after humidifier 10) Enthalpy after humidifier g/kgdry air (with one decimal accuracy) kg/s (with three decimal accuracy) °C (with one decimal accuracy) kJ/kg (with one decimal accuracy)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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