Mass Transfer In gas-liquid contact operation, the number of ideal stages, N = (xa - xb)/(xb - x*b) . This is true when the stripping factor 'S' is S = 1 S = ∞ S > 1 S < 1 S = 1 S = ∞ S > 1 S < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Rose oil is extracted from rose leaves using __________ distillation. Extractive High pressure Steam Low pressure Extractive High pressure Steam Low pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular diffusion is caused by the Transfer of molecules from low concentration to high concentration region Activation energy of the molecules Potential energy of the molecules Thermal energy of the molecules Transfer of molecules from low concentration to high concentration region Activation energy of the molecules Potential energy of the molecules Thermal energy of the molecules ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Does not affect Increases Exponentially increases Decreases Does not affect Increases Exponentially increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Mass and momentum Heat and mass Heat and momentum Heat, momentum and mass Mass and momentum Heat and mass Heat and momentum Heat, momentum and mass ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Increases pressure drop, decreases surface area Decreases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS