Mass Transfer The velocity, concentration and temperature boundary, for the boundary layer development on a flat plate during connective mass transfer will be same, if NSc = 1 NSc = NLe NPr = NLe NSc = NPr = NLe NSc = 1 NSc = NLe NPr = NLe NSc = NPr = NLe ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Flooding in a vapor-liquid contacting equipment occurs in a tray, when the pressure drop through a tray is __________ the liquid head available in the downcomer. Very much less Same as More than Less than Very much less Same as More than Less than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steam distillation is used to Reduce the number of plates Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation Reduce the number of plates Increase the total pressure of distillation Avoid thermal decomposition of a component Increase the efficiency of separation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Though, theoretically the adsorption & desorption isotherms is expected to coincide but sometimes at least a part of the isotherms does not coincide and this phenomenon is known as adsorption hysterisis. In such cases, the desorption equilibrium pressure is __________ that obtained for adsorption. Higher than Same as Either same or higher than Lower than Higher than Same as Either same or higher than Lower than ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The main reason for dividing a tall packed tower into series of small towers is to Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up Avoid flooding Avoid channeling Minimise the overall pressure drop Reduce liquid hold up 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 Packed extraction tower Centrifugal extractor Mixer-settler extractor Pulsed extractor Packed extraction tower Centrifugal extractor Mixer-settler extractor ANSWER DOWNLOAD EXAMIANS APP
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