Mass Transfer Use of packed towers for distillation is generally limited to the Vacuum distillation Multicomponent distillation Small sizes High pressure operation Vacuum distillation Multicomponent distillation Small sizes High pressure operation ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Unit operation involved in the prilling of urea is Crystallisation Both B and C Evaporation Drying Crystallisation Both B and C Evaporation Drying ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The temperature of water cooled in cooling tower is always __________ temperature of entering air. Less than the wet bulb More than the wet bulb Equal to the dry bulb Equal to the wet bulb Less than the wet bulb More than the wet bulb Equal to the dry bulb Equal to the wet bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The cooling effect in a cooling tower can not be increased by Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these Increasing the air velocity over the wet surfaces Lowering the barometric pressure Reducing the humidity of entering air None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following quantities need not be fixed before starting the design of a co-current absorber? Flow rate of entering liquid Flow rate of gas None of the listed here Heat gain or loss Flow rate of entering liquid Flow rate of gas None of the listed here Heat gain or loss ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For which of the following unit operations, Lewis number is of significance? Humidification Binary distillation Adsorption Gas absorption Humidification Binary distillation Adsorption Gas absorption ANSWER DOWNLOAD EXAMIANS APP
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