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 To get high tray efficiency 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 Gas velocity should be very low ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In McCabe-Thiele method, at infinite reflux ratio The overhead product is minimum Both the operating lines coincide with diagonal Both A & B Neither A nor B The overhead product is minimum Both the operating lines coincide with diagonal Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Wet bulb temperature Both B and C Partial pressure of vapour Relative humidity Wet bulb temperature Both B and C Partial pressure of vapour Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Mixer-settler extractor Bollman extractor Rotating-disc contactor Pulsed column extractor Mixer-settler extractor Bollman extractor Rotating-disc contactor Pulsed column extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For the air water system under ambient conditions, the adiabatic saturation temperature and the wet bulb temperature are nearly equal, because Lewis number is close to unity They are always equal under all circumstances Solubility of the components of air in water is very small Water has a high latent heat of evaporation Lewis number is close to unity They are always equal under all circumstances Solubility of the components of air in water is very small Water has a high latent heat of evaporation ANSWER DOWNLOAD EXAMIANS APP
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