Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Bubble plate column Packed column (with dumped packing) Pulse column Packed column (with stacked packing) Bubble plate column Packed column (with dumped packing) Pulse column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used Saturated feed is not used An azeotrope forms The latent heat of vaporisation of the more and less volatile components are greatly different A total condenser is used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A slurry is to be dried to produce flaky solid. Which dryer would you recommend? Rotary dryer Drum dryer Spray dryer Dielectric dryer Rotary dryer Drum dryer Spray dryer Dielectric dryer 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 Either A or B Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from liquid to gas phase Unidirectional diffusion from gas to liquid phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) √P 1/√P P 1/P √P 1/√P P 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Both A & B Across Neither A nor B Above Both A & B Across Neither A nor B Above ANSWER DOWNLOAD EXAMIANS APP
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