The wet and 'dry bulb temperature for a vapour-gas mixture are 25°C and 30°C respectively. If the mixture is heated to 45°C at constant pressure, the wet bulb temperature will be ______________ °C?
Correct answer: B. > 25
- A. 25
- B. > 25
- C. < 25
- D. - 25
Explanation
Heating at constant pressure while keeping the humidity ratio fixed raises the corresponding adiabatic saturation, or wet-bulb, temperature. Thus the wet-bulb temperature becomes greater than 25°C.
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