The dew point of an unsaturated gas-vapor mixture does not depend upon the _________________ of the mixture?

Related Mcqs:

1. The dew point of an unsaturated gas-vapor mixture does not depend upon the ____________________ of the mixture?

   A. Composition
   B. Temperature
   C. Total pressure
   D. All A., B. and C.

2. With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) ?

   A. Increases
   B. Remains unchanged
   C. Decreases
   D. Decreases linearly

3. 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

4. The relative saturation of an unsaturated mixture of gas and vapor is independent of the___________________?

   A. Nature of the vapor
   B. Temperature of the mixture
   C. Composition of the mixture
   D. None of these

5. _____________ temperature is the steady state temperature attained by a small amount of liquid evaporating into a large quantity of unsaturated gas-vapor mixture ?

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

6. A mixture of 10% C6H6 vapour in air at 25°C and 750 mm Hg has a dew point of 20°C. Its dew point at 30°C and 700 mm Hg will be around _______________ °C?

   A. 21.7
   B. 20
   C. 27.3
   D. 18.7

7. At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is ________________ percent.?

   A. 100
   B. 0
   C. 50
   D. Between 0 and 100

8. 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

9. Unsaturated air (with dry bulb temperature and dew point being 35°C and 18°C respectively) is passed through a water spray chamber maintained at 15°C. The air will be cooled_________________?

   A. And humidified
   B. And dehumidified with increase in wet bulb temperature
   C. At the same relative humidity
   D. And dehumidified with decrease in wet bulb temperature

10. Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the ________________ temperature?

    A. Dry-bulb
    B. Wet-bulb
    C. Dew point
    D. Adiabatic saturation