Mass Transfer Lewis number (Le) is Pr x St Sc x Pr Sh x Pr St x Sh Pr x St Sc x Pr Sh x Pr St x Sh ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Both B and C Relative humidity Wet bulb temperature Partial pressure of vapour Both B and C Relative humidity Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The efficiency of a plate column will be maximum, when the flow is ideal __________ the plate. Both A & B Across Neither A nor B Above Both A & B Across Neither A nor B Above ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 3 to 4 2.5 to 3 1.2 to 1.5 5 3 to 4 2.5 to 3 1.2 to 1.5 5 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Prandtl number for water at 20°C is about 70 0.7 150 7 70 0.7 150 7 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Back-trapping in a distillation column Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency Is desirable, as it provides improved vapour-liquid contact Reduces pressure drop Decreases tray efficiency Increases tray efficiency ANSWER DOWNLOAD EXAMIANS APP