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It is desired to keep a certain room at Dew point temperature of 22 and 55% RH( Relative Humidity) during a winter season. The outside

It is desired to keep a certain room at Dew point temperature of 22℃ and 55% RH( Relative Humidity) during a winter season. The outside saturated air at 3℃ is heated first and then water at 10℃ is sprayed to get the desired temperature and RH. Use psychometric chart to calculate amount of water vapors sprayed per m3 of air at room conditioned and temperature of air after heating.

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