Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 3 to 4 2.5 to 3 1.2 to 1.5 5 3 to 4 2.5 to 3 1.2 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following operations does not involve leaching? Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots Dissolving sugar from the cells of the beet Removing nicotine from its water solution by kerosene Dissolving gold from ores Dissolving pharmaceutical products from bark or roots ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of an absorber, the operating Line can be either above or below the equilibrium curve Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity Line can be either above or below the equilibrium curve Line always lies below the equilibrium curve Line always lies above the equilibrium curve Velocity is more than the loading velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity Provides large interfacial surface for mass transfer Results due to very high gas velocity Increases tray efficiency Results due to very low gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory relates the average mass transfer co-efficient (K) with diffusivity (D) as K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D K ∝ D1.5 K ∝ D2 K ∝ D K ∝ √D ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The equipment frequently used for adiabatic humidification-cooling operation with recirculating liquid is None of these Induced draft cooling tower Spray chamber Natural draft cooling tower None of these Induced draft cooling tower Spray chamber Natural draft cooling tower ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS