Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL²/DA KL/DA² √(KL².DA) KL².DA KL²/DA KL/DA² √(KL².DA) KL².DA ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature to which a vapour gas mixture must be cooled (at varying humidity) to become saturated is called the __________ temperature. Dew point Wet bulb Dry bulb None of these Dew point Wet bulb Dry bulb None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer __________ column is preferred to be used, when a high liquid hold up is required in a reactor for gas-liquid reaction. Bubble Packed Spray Tray Bubble Packed Spray Tray ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The Reynolds number of the liquid was increased 100 fold for a laminar falling film used for gas-liquid contacting. Assuming penetrating theory is applicable, the fold increase in the mass transfer co-efficient (Kc) for the same sytem is 10 100 5 1 10 100 5 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer With increase in pressure, the relative volatility for a binary system Increases Either A or B, depends on the system Decreases Remains same Increases Either A or B, depends on the system Decreases Remains same ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the liquid phase and vapour phase of a binary system obeys Raoult's and Dalton's law respectively, the relative volatility is the ratio of Vapour pressure of component A to that of component B Partial pressure of component A to the total pressure Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A Vapour pressure of component A to that of component B Partial pressure of component A to the total pressure Vapour pressure of component A to the total pressure Vapour pressure of component A to the partial pressure of A ANSWER DOWNLOAD EXAMIANS APP
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