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Question

The comfort conditions in air-conditioning are

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A.

0°C DBT and 0% RH

B.

22°C DBT and 50% RH

C.

30°C DBT and 80% RH

D.

40°C DBT and 90% RH

Answer ( Option B)

22°C DBT and 50% RH

Solution

Chapter 10b: The Psychrometric Chart (Updated 7/22/2014)

Comfort level for normal office and residential buildings are as follows

Summer DBT22-24 deg C and RH40-60%

Winter DBT20 -22 Deg C and RH40%

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