a stream of outdoor air is mixed with a stream of return air in an airconditioning system that operates at 101 kpa pressure. the flow rate of outdoor air is 3kg/s and its condition is  30 C Tbd and 23 C Twb. the flow rate of return air is 2.5 kg/s  and its condition is 15 C Twb and 60% RH.  Determine: a - enthalpy of mixture  b - humidity ratio of mixture c- dry bulb temperature of mixture

There are 300 cubic meter/min of atmospheric air initially at 25 C wet bulb temperature and 60 % RH flowing thru air duct header junction mixed with 400 cubic meter/min of cold air at 18 C dry bulb temperature and 10 C wet bulb temperature. After the adiabatic mixing, determine for the mixture:a)    relative humidity b)    specific humidityc)    dewpoint temperatured)    plot the process on the psychrometric chart and label completely

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Required information Problem 14.108 - Cooling Tower Assessment NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. The cooling water from the condenser of a power plant enters a wet cooling tower at 40°C at a rate of 91 kg/s. The water is cooled to 25°C in the cooling tower by air that enters the tower at 1 atm, 23°C, and 60 percent relative humidity and leaves saturated at 32°C. Neglect the power input to the fan. Use data from the psychrometric chart and tables. Problem 14.108.a - Cooling Tower Assessment Determine the volume flow rate of air into the cooling tower. m³/s. The volume flow rate of air is