Gas-Vapor Mixtures (Properties of atmospheric air) 20. Find the humidity ratio of an air that has tdb = 27 °C and twb = 20 °C with a relative humidity of 55%. (Use PB = 100 KPa) a. 0.0124 lbv/lba b. 0.24 lbv/lba c. 0.133 Kgv/Kga d. 0.0133 Kgv/Kga

Refrigeration and Air Conditioning Technology (MindTap Course List)
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ISBN:9781305578296
Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
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Chapter35: Comfort And Psychrometrics
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Problem 3RQ: Lower room temperatures can be offset in winter by A. lowering the relative humidity. B. being very...
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Gas-Vapor Mixtures (Properties of atmospheric air)


20. Find the humidity ratio of an air that has tdb = 27 °C and twb = 20 °C with a
relative humidity of 55%. (Use PB = 100 KPa)
a. 0.0124 lbv/lba
b. 0.24 lbv/lba
c. 0.133 Kgv/Kga
d. 0.0133 Kgv/Kga

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