Mass Transfer In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of __________ is zero. Interface All of these Liquid phase Gas phase Interface All of these Liquid phase Gas phase ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid Decreases with time Does not change with time Increases with time Does not affect the moisture content of the wet solid ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Diameter to height ratio for a rashig ring is 0.5 1 2 5 0.5 1 2 5 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 If f is defined as above, then which of the following applies to a feed at dew point? F = 1 0 < f < 1 F < 1 F > 1 F = 1 0 < f < 1 F < 1 F > 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Pulsed extractor Centrifugal extractor Packed extraction tower Mixer-settler extractor Pulsed extractor Centrifugal extractor Packed extraction tower Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS