Related Questions

Ponchon Savarit method is based on the use of enthalpy concentration diagram, which contains the bubble point curve (saturated liquid curve), dew point curve (saturated vapour curve) and equilibrium tie lines. As compared to McCabe-Thiele's method, this method
A Is more accurate in finding the number of equilibrium stages
B Accounts for the enthalpy changes in the process
C Facilitates direct calculation of heat load on reboiler & condenser from, the diagram used in this method
D All of the above
Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the
A Nature of the liquid
B Nature of the gas
C Temperature of the liquid
D Total pressure
When the air is passed through an insulated chamber having sprays of water maintained at a temperature higher than the dew point temperature of entering air but lower than its dry bulb temperature, then the air is said to be
A Cooled and humidified
B Cooled and dehumidified
C Heated and humidified
D Heated and dehumidified
For unsaturated air, the dew point temperature is __________ wet bulb temperature.
A Equal to
B Less than
C More than
D None of these
During the absorption of HCl gas in water (to produce liquid HCl), the gas is kept above dew point to
A Increase the rate of absorption
B Avoid corrosion
C Reduce the cooling water circulation rate
D None of these
As relative humidity decreases, the dew point temperature will be ________ wet bulb temperature.
A Same as
B Lower than
C Higher than
D None of these
The difference between dry bulb temperature and dew point temperature, is called
A Dry bulb depression
B Wet bulb depression
C Dew point depression
D Degree of saturation
When water is sprayed on air, passing through an insulated chamber maintained at a temperature higher than the dew point of entering air but lower than its dry bulb temperature, then the air is
A Cooled and dehumified
B Heated and humidified
C Cooled and humidified
D Heated and dehumidified
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 of the above
The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.
A Isotactic
B Saturation
C Inversion
D Throttling

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