Mass Transfer At minimum reflux ratio for a given separation Separation is most efficient Number of plates is zero Minimum number of the theoretical plates is required Number of plates is infinity Separation is most efficient Number of plates is zero Minimum number of the theoretical plates is required Number of plates is infinity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Kinematic viscosity Velocity head Density Molal concentration Kinematic viscosity Velocity head Density Molal concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following provides maximum contact surface for a liquid-vapour system? Bubble-cap plate column Wetted wall column Seive-plate column Packed tower Bubble-cap plate column Wetted wall column Seive-plate column Packed tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Weeping in a distillation column Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity Increases tray efficiency Provides large interfacial surface for mass transfer Results due to very low gas velocity Results due to very high gas velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. All of these Gas phase Interface Liquid phase All of these Gas phase Interface Liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient is directly proportional to DAB according to the __________ theory. Film Surface-renewal Penetration None of these Film Surface-renewal Penetration None of these ANSWER DOWNLOAD EXAMIANS APP
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