Mass Transfer Leaching rate is independent of the Agitation Particle size Temperature None of the listed here Agitation Particle size Temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is > 1 < 1 1 > 1 < 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Plate towers are preferred to packed towers, when large temperature changes are involved, because of the reason that the Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments Pressure drop in the equipment will be very high Viscosity variation of the fluids may cause channeling/flooding None of these Packing may be crushed due to thermal expansion/contraction of the components of the equipments ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When adsorption hysteresis is observed, the desorption equilibrium pressure is __________ that obtained by adsorption. Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than Always lower than Same as Dependent on the system; can be either lower or higher than Always higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Reboiler is considered as one theoretical plate, because Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate None of these Vapour is recycled to the column Of the assumption that vapour and liquid leaving the reboiler are in equilibrium Reboiler itself contains one plate None of these Vapour is recycled to the column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large ANSWER DOWNLOAD EXAMIANS APP