Mass Transfer An azeotropic mixture is a __________ mixture. Constant boiling point None of these Binary Ternary Constant boiling point None of these Binary Ternary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Remains same Depend on saturated boiling point; may increase or decrease Decrease Increase Remains same Depend on saturated boiling point; may increase or decrease Decrease Increase 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 Differential heat of adsorption Heat of wetting Integral heat of adsorption None of these Differential heat of adsorption Heat of wetting Integral heat of adsorption None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Unidirectional diffusion from gas to liquid phase Either A or B A counter diffusion at an almost equal molar rate Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase Either A or B A counter diffusion at an almost equal molar rate Unidirectional diffusion from liquid to gas phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Either A or B; depends on the gas Decreases Remains same Increases Either A or B; depends on the gas Decreases Remains same Increases ANSWER DOWNLOAD EXAMIANS APP