Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Decreases Either A or B; depends on the gas Increases Remains same Decreases Either A or B; depends on the gas Increases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe Gas velocity should be very low Time of contact between the two phases should be less Interfacial surface between liquid and gas phase should be large Liquid entrainment should be severe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Viscosity All of these Freezing point Vapor pressure Viscosity All of these Freezing point Vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Solvent extraction is the terminology applied to the liquid-liquid extraction, which is preferred for the separation of the components of liquids, when One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available Viscosity of liquid components is very high One of the liquid components is heat sensitive One of the liquid components has very high affinity towards the solvent Extracting solvent is cheaply & abundantly available Viscosity of liquid components is very high One of the liquid components is heat sensitive ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The suitable evaporator for concentration of foaming liquids is a __________ evaporator. Long tube Falling film Vacuum Short tube Long tube Falling film Vacuum Short tube ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) T vs . P Log P vs. log T Log P vs . T P vs . log T T vs . P Log P vs. log T Log P vs . T P vs . log T ANSWER DOWNLOAD EXAMIANS APP