Mass Transfer Steady state equimolal counter diffusion is encountered in All liquid-liquid diffusion systems Separation of a binary mixture by distillation All of these Absorption of NH₃ from air by water All liquid-liquid diffusion systems Separation of a binary mixture by distillation All of these Absorption of NH₃ from air by water ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following same diameter columns gives lowest pressure drop per unit height? Packed column (stacked) Bubble-cap column Randomly packed column Sieve-plate column Packed column (stacked) Bubble-cap column Randomly packed column Sieve-plate column ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Use of raschig rings in place of crushed stones as packing in packed beds (other things being same) Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area Decreases pressure drop, decreases surface area Increases pressure drop, decreases surface area Increases pressure drop, increases surface area Decreases pressure drop, increases surface area ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Equal to the dry bulb Equal to the wet bulb More than the wet bulb Less than the wet bulb Equal to the dry bulb Equal to the wet bulb More than the wet bulb Less than the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer A good solvent used for absorption should not have very high Vapor pressure All of these Viscosity Freezing point Vapor pressure All of these Viscosity Freezing point ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In rectifying section of a continuous distillation column, the Vapour is enriched with low boilers Vapour is enriched with high boilers Liquid is stripped of high boilers None of these Vapour is enriched with low boilers Vapour is enriched with high boilers Liquid is stripped of high boilers None of these ANSWER DOWNLOAD EXAMIANS APP
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