Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ 10-1 cm²/sec 10-3 sec/cm 10-9 cm/sec 10-4 cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of non-ideal gases and liquids, the molal diffusivity Varies directly as the pressure Is equal to the volumetric diffusivity Varies inversely as the pressure Is independent of pressure Varies directly as the pressure Is equal to the volumetric diffusivity Varies inversely as the pressure Is independent of pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Mass transfer co-efficient of liquid is Not affected by the temperature Affected much less by temperature than that for gases Affected more by temperature than that for gases None of these Not affected by the temperature Affected much less by temperature than that for gases Affected more by temperature than that for gases None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Pr x St Sc x Pr St x Sh Sh x Pr Pr x St Sc x Pr St x Sh Sh x Pr ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of these columns incurs the lowest pressure drop? Bubble plate column Pulse column Packed column (with stacked packing) Packed column (with dumped packing) Bubble plate column Pulse column Packed column (with stacked packing) Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
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