The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is___________________?

Related Mcqs:

1. 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 ?

   A. 25
   B. > 25
   C. < 25
   D. – 25

2. 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?

   A. 25
   B. > 25
   C. < 25
   D. – 25

3. When the psychometric ratio is ______________ then the adiabatic saturation temperature and wet bulb temperature becomes equal?

   A. 1
   B. 1
   D. ∞

4. For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because__________________?

   A. Water has a high latent heat of evaporation
   B. Lewis number is close to unity
   C. They are always equal under all circumstances
   D. Solubility of the components of air in water is very small

5. Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and _________________?

   A. Humidified with wet bulb temperature decreasing
   B. Humidified at constant wet bulb temperature
   C. Dehumidified
   D. None of these

6. Wet bulb and dry bulb temperatures becomes identical at _______________ percent saturation curve?

   A. 100
   B. 50
   C. 78
   D. None of these

7. In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?

   A. Lower than
   B. Higher than
   C. Equal to
   D. Either A. or B., depends on the mixture composition

8. Dry bulb temperature of the gas is _____________ the wet bulb temperature?

   A. Less than
   B. More than
   C. Equal to
   D. None of these

9. During dehumidification of unsaturated air wet bulb temperature & partial pressure of vapor are not constant. However, during evaporative cooling process with recirculated water supply, the _________________ remains constant ?

   A. Wet bulb temperature
   B. Partial pressure of water vapor
   C. Relative humidity
   D. None of these

10. Which of the following parameters remains almost constant during adiabatic saturation of unsaturated air ?

    A. Dry bulb temperature
    B. Dew point
    C. Wet bulb temperature
    D. None of these