Mass Transfer In batch distillation with constant reflux, overhead product composition __________ with time. Does not vary Decreases Increases May increase on decrease, depends on the system Does not vary Decreases Increases May increase on decrease, depends on the system 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 Decrease Remains same Depend on saturated boiling point; may increase or decrease Increase Decrease Remains same Depend on saturated boiling point; may increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Air initially at 101. 3 kPa and 40°C and with a relative humidity of 50%, is cooled at constant pressure to 30°C. The cooled air has a Higher wet bulb temperature Higher absolute (specific) humidity Higher relative humidity Higher dew point Higher wet bulb temperature Higher absolute (specific) humidity Higher relative humidity Higher dew point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of __________ distillation, a solvent is added to alter the relative volatility of the mixture to be separated. Flash Molecular Extractive Azeotropic Flash Molecular Extractive Azeotropic ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of liquids, the binary diffusivity is proportional to (where, T = temperature) √T T² T 1/T √T T² T 1/T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Moisture in a solid exerting an equilibrium vapour pressure equal to that of the pure liquid at the same temperature is called the __________ moisture. Bound Critical Unbound Free Bound Critical Unbound Free ANSWER DOWNLOAD EXAMIANS APP
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