Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.25 1.25 0.0025 2.5 0.25 1.25 0.0025 2.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Minimum Operating Maximum permissible Total Minimum Operating Maximum permissible Total ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stacked packing compared to dumped packing Both A & B Gives higher pressure drop Provides poorer contact between the fluids Gives lower pressure drop Both A & B Gives higher pressure drop Provides poorer contact between the fluids Gives lower pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Equilibrium-moisture curves of different solids None of these Are same Are different Depend on the humidity of the gas None of these Are same Are different Depend on the humidity of the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can be speeded up by Reducing the humidity of the air All of the listed here Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure Reducing the humidity of the air All of the listed here Increasing the air velocity and area of exposed wet surface Reducing the barometric pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) 1/T √T T² T 1/T √T T² T ANSWER DOWNLOAD EXAMIANS APP
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