Mass Transfer The binary diffusivity in gases and liquids vary respectively as T3/2 and T √T and T3/2 T3/2 and √T T and T3/2 T3/2 and T √T and T3/2 T3/2 and √T T and T3/2 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Out of the following gas-liquid contacting devices, for a given set of operating conditions, gas pressure drop is the least in __________ tower. Bubble cap Perforated tray Packed Wetted wall Bubble cap Perforated tray Packed Wetted wall ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Overall efficiency of the distillation column is Always more than the point efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Same as the Murphree efficiency Always more than the point efficiency The ratio of number of ideal plates to actual plates The ratio of number of actual plates to ideal plates Same as the Murphree efficiency ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. Dew point Dry bulb None of these Wet bulb Dew point Dry bulb None of these Wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Increases Decreases May increase on decrease, depends on the system Does not vary Increases Decreases May increase on decrease, depends on the system Does not vary ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Radioactive nuclear waste is treated in Mixer-settler extractor Rotating-disc contactor Pulsed column extractor Bollman extractor Mixer-settler extractor Rotating-disc contactor Pulsed column extractor Bollman extractor ANSWER DOWNLOAD EXAMIANS APP
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