Mass Transfer Unit operation involved in the prilling of urea is Crystallisation Drying Evaporation Both B and C Crystallisation Drying Evaporation Both B and C ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio, in a continuous counter-current extraction is increased, the number of stages Increase Decrease Can either increase or decrease, depends on the system Remain unchanged Increase Decrease Can either increase or decrease, depends on the system Remain unchanged ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Fenske equation determines the Minimum number of theoretical plates Optimum reflux ratio Height of the distillation column Maximum number of ideal plates Minimum number of theoretical plates Optimum reflux ratio Height of the distillation column Maximum number of ideal plates ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Is more accurate than Ponchan-Savarit method Can use any type of units Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Can use any type of units Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Agitated vessels Spray towers Perforated sieve tray towers Bubble cap tray towers Agitated vessels Spray towers Perforated sieve tray towers Bubble cap tray towers ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If f = moles of vapour present per mole of feed, then the slope of feed line is - f/(1 - f) - 1/f - (f - 1)/f (1 - f)/f - f/(1 - f) - 1/f - (f - 1)/f (1 - f)/f ANSWER DOWNLOAD EXAMIANS APP
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