Mass Transfer The rough value of diffusion co-efficient of water vapor into air at 25°C may be about __________ cm²/sec. 0.0025 2.5 0.25 1.25 0.0025 2.5 0.25 1.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Ratio of the insoluble to solution is constant Neither A nor B Both A & B Solids are drained to the same extent Ratio of the insoluble to solution is constant Neither A nor B Both A & B Solids are drained to the same extent ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Large scale drying of wheat is done in a __________ dryer. Tray Spouted bed Vacuum rotary Fluidised bed Tray Spouted bed Vacuum rotary Fluidised bed ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In liquid-liquid extraction, the number of phases at plait point is 2 3 1 4 2 3 1 4 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Chemisorption (chemical adsorption) is A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon Same as "Van der Waals" adsorption A reversible phenomenon Characterised by adsorption of heat An irreversible phenomenon Same as "Van der Waals" adsorption ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Remains unchanged Increases exponentially Increases Decreases Remains unchanged Increases exponentially Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
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