2.71 An air-conditioner system consists of a spray section followed by a reheater. Moist air at 30°C and o = 75% enters the system and passes through a water spray, leaving the spray section cooled and saturated with water. The moist air is then = 44% with no change in the amount heated to 24°C and & of water vapor present. For operation at steady state, determine 10od lo om odi () (a) the temperature of the moist air leaving the spray section, in °C. (b) the change in the amount of water vapor contained in the moist air passing through the system, in kg per kg of dry air. Locate the principal states on a psychrometric chart.

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The steady-state model typically states that the entire universe is always enlarging, although it balances a fixed average density and matter that is being constantly generated to make new galaxies, star forms at a similar rate that the previous ones get indistinguishable due to the growing range and velocity of recession.