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1. 7000 m³ /min of air at 28.0°C and 0.101 MPa with a relative humidity of 60.0% is to be cooled at constant total pressure to its dew point temperature. Determine the required heat transfer rate and indicate its direction.

2. 30 ft³ /min of air with a dry bulb temperature of 90.0°F and a relative humidity of 80.0% is to be cooled and dehumidified to a dry bulb temperature of 65.0°F and a relative humidity of 50.0%.

Determine

(a) the wet bulb temperature of the air before dehumidification,

(b) the dew point temperature of the air after dehumidification,

(d) the amount of heat removed during the cooling part of the dehumidification process.

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Category:- Physics
Reference No.:- M92102290

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