Moist air at 35∘C and 100% relative humidity is entering a psychrometric device and leaving at 25∘C and 100% relative humidity. The name of the device is
A
Humidifier
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B
Dehumidifier
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C
Sensible heater
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D
Sensible cooler
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Solution
The correct option is B Dehumidifier The psychrometric chart is clearly indicating that the moisture content is removing (ω2<ωt) from moist air. Then the name of the device is dehumidifier.