Mass Transfer According to Poiseuille's law, the permeability for gas flow through a capillary is proportional to (where, μ = gas viscosity) μ² √μ μ 1/μ μ² √μ μ 1/μ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate period, the rate of drying decreases with the Neither A nor B Both A & B Increase in air humidity Decrease in air temperature Neither A nor B Both A & B Increase in air humidity Decrease in air temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable property in a tower packing? Large surface per unit volume Large free cross-section Low weight per unit volume Large weight of liquid retained Large surface per unit volume Large free cross-section Low weight per unit volume Large weight of liquid retained ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Priming in a distillation column Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays Reduces the overall pressure drop Results from very low gas velocity Is desirable from point efficiency consideration Is characterised by the presence of foam throughout the space between trays ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the mixture to be distilled has a very high boiling point and the product material is heat sensitive, the separation technique to be used is __________ distillation. Azerotropic Continuous None of these Steam Azerotropic Continuous None of these Steam ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Dew point Adiabatic saturation Dry-bulb Wet-bulb Dew point Adiabatic saturation Dry-bulb Wet-bulb ANSWER DOWNLOAD EXAMIANS APP
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