Mass Transfer In case of gases, the binary diffusivity is proportional to (where, P = pressure) P √P 1/√P 1/P P √P 1/√P 1/P ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in temperature, the rate of extraction in leaching (solid-liquid extraction system) Increases Linearly Increases Remains unaffected Decreases Increases Linearly Increases Remains unaffected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer To get high tray efficiency Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe Gas velocity should be very low Interfacial surface between liquid and gas phase should be large Time of contact between the two phases should be less Liquid entrainment should be severe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During bottling of cold drinks (e.g. Pepsi), the main resistance to mass transfer for the absorption of carbon dioxide in water lies in the Gas film None of these Liquid-gas interface Liquid film Gas film None of these Liquid-gas interface Liquid film ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Mixer-settler extractor Packed extraction tower Centrifugal extractor Pulsed extractor Mixer-settler extractor Packed extraction tower Centrifugal extractor Pulsed extractor ANSWER DOWNLOAD EXAMIANS APP
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