Mass Transfer The relative humidity of air decreases in-spite of an increase in the absolute humidity, when the Temperature rises Pressure rises Pressure falls Temperature falls Temperature rises Pressure rises Pressure falls Temperature falls ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Minimum reflux ratio in a distillation column results in Optimum number of trays Minimum number of trays Minimum reboiler size Maximum condenser size Optimum number of trays Minimum number of trays Minimum reboiler size Maximum condenser size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Danckwerts developed the __________ theory. Film Surface renewal Penetration None of these Film Surface renewal Penetration None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules Potential energy of the molecules Activation energy of the molecules Transfer of molecules from low concentration to high concentration region Thermal energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the Differential heat of adsorption Integral heat of adsorption Heat of wetting None of these Differential heat of adsorption Integral heat of adsorption Heat of wetting None of these ANSWER DOWNLOAD EXAMIANS APP