Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 600 0.24 3.97 1 600 0.24 3.97 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An alkaline solution is used to reduce the concentration of carbon dioxide in a stream from 10% to 0.1% by absorption with irreversible chemical reaction. The overall number of transfer units based on gas phase is 4.605 9.21 0.001 100 4.605 9.21 0.001 100 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In an absorption coloumn, the flooding velocity for random packing is __________ that for stacked/regular packing. Greater than Smaller than Equal to Either A, or B ; depends on the type of packing Greater than Smaller than Equal to Either A, or B ; depends on the type of packing ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as Ri = Re/(1 + Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 - Re) Ri = Re/(1 + Re) Ri = Re Ri = (1 - Re)/Re Ri = Re/(1 - Re) ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer When the solvent dissolves very little of solute, then Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used Large quantity of solvent is required to extract the solute Very small quantity of solvent is required Solvent of low freezing point should be used Solvent of low latent heat of vaporisation should be used ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following solutions will follow Raoult's law most closely? 35% solution of NH₃ in water A solution of benzene, toluene and oxylene 35% solution of camphor in water A solution of polar organic compounds (not of homologs of a series) 35% solution of NH₃ in water A solution of benzene, toluene and oxylene 35% solution of camphor in water A solution of polar organic compounds (not of homologs of a series) ANSWER DOWNLOAD EXAMIANS APP
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