Mass Transfer Which of the following parameters remains constant during chemical dehumidifica-tion? Partial pressure of vapour Dry bulb temperature None of these Wet bulb temperature Partial pressure of vapour Dry bulb temperature None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation column design, the McCabe-Thiele procedure is inadequate and a Ponchan-Savarit procedure is needed, when The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms Saturated feed is not used A total condenser is used The latent heat of vaporisation of the more and less volatile components are greatly different An azeotrope forms Saturated feed is not used A total condenser is used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Operating velocity in a packed tower is usually __________ the flooding velocity. Equal to Half More than Twice Equal to Half More than Twice ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Positive deviation from Raoult's law means a mixture whose total pressure is Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these Less than the sum of the vapour pressure of the components Greater than that computed for ideality Less than that computed for ideality None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer 1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is 0.175 0.4 0.2 0.25 0.175 0.4 0.2 0.25 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Data insufficient, cannot be predicted Decreases Remains constant Increases Data insufficient, cannot be predicted Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
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