Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Wetted wall column Sieve plate column Randomly packed column Bubble cap column Wetted wall column Sieve plate column Randomly packed column Bubble cap column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dimension of diffusivity is same as that of the Velocity head Kinematic viscosity Density Molal concentration Velocity head Kinematic viscosity Density Molal concentration ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer rate between two fluid phases does not necessarily depend on the __________ of the two phases. Interfacial area Physical properties Chemical properties Degree of turbulence Interfacial area Physical properties Chemical properties Degree of turbulence ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A coalescer in a mixer-settler liquid-liquid extraction coloumn Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles All of these Helps in increasing the bubble size entering the settler Comprises of thin bed of substances of extended surface having high porosity Helps in increasing the settling rate of the bubbles All of these Helps in increasing the bubble size entering the settler ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Schmidt number which is defined as, μ/ρ D, is the ratio of the None of these Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity Thermal diffusivity to the mass diffusivity None of these Momentum diffusivity to the mass dif-fusivity Momentum diffusivity to the thermal diffusivity Thermal diffusivity to the mass diffusivity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T T3/2 and √T T and T3/2 √T and T3/2 T3/2 and T T3/2 and √T T and T3/2 √T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
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