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| Referring to the illustrated psychrometric chart, under what conditions are the dry- bulb, wet-bulb, and dew point temperatures for air all equal in value? GS-RA-22 |
| A) When the relative humidity is 0%. |
| B) It is impossible for the dry-bulb, wet-bulb, and dew point temperatures to be the same value. |
| C) When the air is completed saturated with moisture and the relative humidity is 100%. |
| D) When the grains of moisture per pound of dry air is zero. |
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