Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases.
In a solution containing 0.30 Kg mole of solute and 600 kg of solvent, the molality is
Fenske equation determines the
Which of the following is the most suitable for extraction in a system having very low density difference ?
The term "cooling range" in a cooling tower refers to the difference in the temperature of
Total reflux in a distillation operation requires minimum
The amount of steam required per unit quantity of distillate in case of steam distillation will be reduced by
The difference of wet bulb temperature and adiabatic saturation temperature of unsaturated mixture of any system is
Fenske's equation for determining the minimum number of theoretical stages in distillation column holds good, when the
When the temperature and humidity of air is low, we usually use __________ draft cooling tower.
Pick out the correct statement.
__________ columns are used for liquid dispersion in a continuous gas phase.
Overall efficiency of the distillation column is
On addition of solute in the solvent, the __________ of the solution decreases.
Which is the controlling factor for a drum drier?
Drying operation under vacuum is carried out to
Air initially at 101. 3 kPa and 40oC and with a relative humidity of 50%, is cooled at constant pressure to 30oC. The cooled air has a
Separation of two or more components of a liquid solution can not be achieved by
Stefan's law describes the mass transfer by
At minimum reflux ratio for a given separation
Relative humidity is the ratio of the
In batch distillation with constant reflux, overhead product composition __________ with time.
Psychrometry deals with the properties of gas-vapor mixture. Humidity can be determined by the measurement of the __________ of a fibre.
Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1oF is called the
To increase the absorption factor, (where, G = gas flow rate, S = solvent flow rate)