Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar Chemical combination or molecular association between unlike molecules takes place in the formation of solution Size of component molecules are not equal Attractive forces between like and unlike molecules in the solution are approximately equal Component molecules are nonpolar ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer H₂S present in naphtha reformed gas is removed by absorbing with Ethanolamine K₂CO₃ HCl Vacuum gas oil Ethanolamine K₂CO₃ HCl Vacuum gas oil ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Penetration theory states that the mass transfer co-coefficient is equal to (where, De is diffusivity and 't' is time) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) (De/t)1/2 (De.t)1/2 (4De/πt)1/2 (4De/t) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The surface renewal frequency in Danckwerts model of mass transfer is given by (KL: mass transfer co-efficient) KL²/DA KL².DA KL/DA² √(KL².DA) KL²/DA KL².DA KL/DA² √(KL².DA) 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 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) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) Condenser and reboiler loads are the same in both the cases 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) Both condensor and reboiler loads are higher in case (ii) as compared to case (i) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The binary diffusivity in gases does not depend upon the None of the listed here Temperature Nature of the components Pressure None of the listed here Temperature Nature of the components Pressure ANSWER DOWNLOAD EXAMIANS APP
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