Mass Transfer The value of Lewis number (Le = Sc/Pr) for air-water vapour system is around 1 600 3.97 0.24 1 600 3.97 0.24 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Drift in a cooling tower is The water entrained by the circulating air Desirable Dependent on the water lost by evaporation All of these The water entrained by the circulating air Desirable Dependent on the water lost by evaporation All of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Agitator is provided in a crystalliser for Crystal growth All of these Formation of nuclei Avoiding deposition on cooler surfaces Crystal growth All of these Formation of nuclei Avoiding deposition on cooler surfaces ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. 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 Equal to the dry bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of constant underflow extraction operation, the __________ at all solute concentration. Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent Both A & B Ratio of the insoluble to solution is constant Neither A nor B Solids are drained to the same extent Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Evaporation Crystallisation Both B and C Drying Evaporation Crystallisation Both B and C Drying ANSWER DOWNLOAD EXAMIANS APP
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