Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Remains same Increases Decreases Either A or B; depends on the gas Remains same Increases Decreases Either A or B; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase Either A or B Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Unidirectional diffusion from gas to liquid phase Either A or B Unidirectional diffusion from liquid to gas phase 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. Interface Gas phase Liquid phase All of these Interface Gas phase Liquid phase All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The absorption factor is defined as (where, L = liquid flow rate, G = gas flow rate and, m = slope of the equilibrium line) ML/G G/mL L/mG LG/m ML/G G/mL L/mG LG/m ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The value of L/mG ratio for economical absorption operation ranges from 1.25 to 2.0 0.5 to 0.8 2.5 to 3.5 0.8 to 1.2 1.25 to 2.0 0.5 to 0.8 2.5 to 3.5 0.8 to 1.2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Exponentially increases Does not affect Decreases Increases Exponentially increases Does not affect Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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