The adiabatic saturation curve for a vapour-gas mixture is__________________?

Related Mcqs:

1. The relative saturation of a partially saturated mixture of vapour and gas can be increased by ________________ of the mixture?

   A. Reducing the total pressure
   B. Increasing the total pressure
   C. Reducing the temperature
   D. Both B. and C.

2. An air-water vapour mixture has a dry bulb temperature of 60°C and a dew point temperature of 40°C. The total pressure is 101.3 kPa and the vapour pressure of water at 40°C and 60°C are 7.30 kPa and 19.91 kPa respectively. The humidity of air sample expressed as kg of water vapour/kg of dry air is__________________?

   A. 0.048
   B. 0.079
   C. 0.122
   D. 0.152

3. Condensation of a vapour-gas mixture just begins, when (where, p = partial pressure of the vapour P = vapour pressure of the liquid) ?

   A. p = P
   B. p >>P
   C. p < P
   D. p << P

4. 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

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

   A. +ve
   B. -ve
   C. Zero
   D. None of these

6. 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

7. 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

8. 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

9. Percentage saturation is _______________ the relative saturation?

   A. Always smaller than
   B. Always greater than
   C. Not related to
   D. None of these

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

    A. 1
    B. 1
    D. ∞