Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms Saturated feed is not used A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms Saturated feed is not used A total condenser is used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Boiling point diagram is not affected by the ambient Temperature Humidity Pressure Both B and C Temperature Humidity Pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Molecular seives are porous Synthetic zeolites crystals/metal alumino-silicates Alumina None of these Silica Synthetic zeolites crystals/metal alumino-silicates Alumina None of these Silica ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the flow of gases through a capillary, with increase in temperature, the permeability __________ as per Knudsen law. Increases Remains same Either A or B; depends on the gas Decreases Increases Remains same Either A or B; depends on the gas Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low Time of contact between the two phases should be less Liquid entrainment should be severe Interfacial surface between liquid and gas phase should be large Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
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