Refrigeration and Air Conditioning
The relative humidity lines on a psychrometric chart are

Horizontal and non-uniformly spaced
Curved lines
Horizontal and uniformly spaced
Vertical and uniformly spaced

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Refrigeration and Air Conditioning
In a saturated air-water vapour mixture, the

Dry bulb temperature is higher than dew point temperature
Dew point temperature is lower than wet bulb temperature
Dry bulb temperature is higher than wet bulb temperature
Dry bulb, wet bulb and dew point temperature are same

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