Mass Transfer Which of the following liquid-vapor contacting devices provides maximum contact surface area for a particular duty? Randomly packed column Bubble cap column Sieve plate column Wetted wall column Randomly packed column Bubble cap column Sieve plate column Wetted wall column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If the amount of the steam used in steam distillation is increased, the temperature of distillation Decreases Remains unchanged Depends on relative volatility Increases Decreases Remains unchanged Depends on relative volatility Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio increases, the slope of the operating line for rectifying section Remains constant Decreases Increases Data insufficient, cannot be predicted Remains constant Decreases Increases Data insufficient, cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Minimum Maximum permissible Total Operating Minimum Maximum permissible Total Operating ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Only small amount of evaporation of water produces large cooling effects because of its Low viscosity Large latent heat None of these Small latent heat Low viscosity Large latent heat None of these Small latent heat ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture. Temperature All of these Total pressure Composition Temperature All of these Total pressure Composition ANSWER DOWNLOAD EXAMIANS APP
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