Mass Transfer Minimum reflux ratio in a distillation column results in Minimum number of trays Optimum number of trays Minimum reboiler size Maximum condenser size Minimum number of trays Optimum number of trays Minimum reboiler size Maximum condenser size ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following has the same dimension as mass diffusivity? Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity Momentum flux Thermal diffusivity Kinematic viscosity Both Momentum flux & Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Same as Lower than Higher than Either same or higher than Same as Lower than Higher than Either same or higher than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The change in enthalpy, when a unit quantity of gas is absorbed by relatively large quantity of adsorbent (on which a definite concentration of the adsorbed gas already exists) is termed as the None of these Heat of wetting Differential heat of adsorption Integral heat of adsorption None of these Heat of wetting Differential heat of adsorption Integral heat of adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As per Gilliland's equation, the diffusivity is All of these Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' All of these Directly proportional to 'T1.5' Dependent on the molecular volume & molecular weight of components Inversely proportional to 'P' ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flash distillation is Same as differential distillation Most useful for handling binary systems Used for multicomponent systems like crude refining Same as simple distillation Same as differential distillation Most useful for handling binary systems Used for multicomponent systems like crude refining Same as simple distillation ANSWER DOWNLOAD EXAMIANS APP
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