Mass Transfer Which of these columns incurs the lowest pressure drop? Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) Packed column (with stacked packing) Bubble plate column Pulse column Packed column (with dumped packing) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The fixed cost of a distillation column at minimum reflux ratio is None of these Minimum Infinite Optimum None of these Minimum Infinite Optimum 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 Depend on saturated boiling point; may increase or decrease Decrease Increase Remains same Depend on saturated boiling point; may increase or decrease Decrease Increase Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The mass diffusivity, the thermal diffusivity and the eddy momentum diffusivity are same for, NPr = NSc = __________ 2 4 1 3 2 4 1 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for Total reflux Constant molal overflow Constant relative volatility All of these Total reflux Constant molal overflow Constant relative volatility All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS