Mass Transfer Mechanism of moisture removal in case of freeze drying of food stuff is by Dehydration Adsorption Evaporation Sublimation Dehydration Adsorption Evaporation Sublimation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In rectifying section of a continuous distillation column, the Vapour is enriched with low boilers None of these Liquid is stripped of high boilers Vapour is enriched with high boilers Vapour is enriched with low boilers None of these Liquid is stripped of high boilers Vapour is enriched with high boilers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases at atmospheric conditions is about 10-3 sec/cm 10-1 cm²/sec 10-4 cm²/seC₂ 10-9 cm/sec 10-3 sec/cm 10-1 cm²/sec 10-4 cm²/seC₂ 10-9 cm/sec ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At a given equilibrium pressure, with increase in temperature, the concentration of adsorbed gas on solid adsorbant Increases exponentially Increases Remains unchanged Decreases Increases exponentially Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unsaturated air (with dry bulb and wet bulb temperatures being 45°C and 25°C respectively) is passed through a water spray chamber maintained at 23°C. The air will be cooled and Humidified at constant wet bulb temperature None of these Dehumidified Humidified with wet bulb temperature decreasing Humidified at constant wet bulb temperature None of these Dehumidified Humidified with wet bulb temperature decreasing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Stefan's law describes the mass transfer by Bulk flow Neither A nor B Both A & B Diffusion Bulk flow Neither A nor B Both A & B Diffusion ANSWER DOWNLOAD EXAMIANS APP
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