Mass Transfer At what percentage (by volume) of alcohol composition, it forms an azeotrope with water? 90 95 91.5 99 90 95 91.5 99 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass transfer co-efficient for a solid sphere of radius 'a' dissolving in a large volume of quiescent liquid, in which D is the diffusivity of solute, is Proportional to √D D/2a D/a Dependent on the Reynolds number Proportional to √D D/2a D/a Dependent on the Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-1 cm²/sec 10-9 cm/sec 10-3 sec/cm 10-4 cm²/seC₂ 10-1 cm²/sec 10-9 cm/sec 10-3 sec/cm 10-4 cm²/seC₂ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will Increase Remains same Depend on saturated boiling point; may increase or decrease Decrease Increase Remains same Depend on saturated boiling point; may increase or decrease Decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Spouted bed Vacuum rotary Fluidised bed Tray Spouted bed Vacuum rotary Fluidised bed Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Centrifugal extractor Packed extraction tower Pulsed extractor Mixer-settler extractor Centrifugal extractor Packed extraction tower Pulsed extractor Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
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