Mass Transfer The interfacial area per unit volume of dispersion, in a gas-liquid contactor, for fractional hold up of gas = 0.1 and gas bubble diameter = 0.5 mm is given by (in m²/m³) 100 1000 500 50 100 1000 500 50 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a distillation operation, what is the effect of the temperature of the reflux stream (given below) on the condenser and reboiler loads? Reflux conditions:(i) Reflux stream is completely liquid and is at its bubble point.(ii) Reflux stream is below its bubble point. Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) Condenser and reboiler loads are the same in both the cases Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser load is the same in both the cases but reboiler load is higher in case (ii) Reboiler load is the same in both the cases but condenser load is higher in case (ii) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Binary distillation involves the mass transfer by __________ at the gas-liquid interface. Either A or B Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate Either A or B Unidirectional diffusion from gas to liquid phase Unidirectional diffusion from liquid to gas phase A counter diffusion at an almost equal molar rate ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Lewis number (Le) is Sc x Pr Pr x St Sh x Pr St x Sh Sc x Pr Pr x St Sh x Pr St x Sh ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer NSc/NPr is called the Lewis number Stantan number Psychrometric ratio Sherwood number Lewis number Stantan number Psychrometric ratio Sherwood number ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat in BTU necessary to increase the temperature of 1 lb of gas and its accompanying vapour by 1°F is called the Latent heat Specific heat Sensible heat Humid heat Latent heat Specific heat Sensible heat Humid heat ANSWER DOWNLOAD EXAMIANS APP
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