Mass Transfer Lewis number (Le) is Pr x St St x Sh Sc x Pr Sh x Pr Pr x St St x Sh Sc x Pr Sh x Pr ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can the efficiency of a plate in the distillation tower be greater than 100%? Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum Yes Never Normally not; but is possible if infinite number of plates are put Yes ; if the reflux ratio is maximum ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In distillation columns, the number of bubble caps per tray primarily depends upon the Feed composition Allowable gas and liquid velocities Allowable gas velocity Allowable liquid velocity Feed composition Allowable gas and liquid velocities Allowable gas velocity Allowable liquid velocity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 3 to 4 1.2 to 1.5 2.5 to 3 5 3 to 4 1.2 to 1.5 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor Mixer-settler extractor Packed extraction tower Pulsed extractor Centrifugal extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relative volatility of a binary mixture at the azeotropic composition is > 1 ∞ 1 > 1 ∞ 1 ANSWER DOWNLOAD EXAMIANS APP
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