Mass Transfer Which of the following decreases during evaporative cooling process with recirculated water supply? Partial pressure of vapour Relative humidity None of these Wet bulb temperature Partial pressure of vapour Relative humidity None of these Wet bulb temperature ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a counter-current extractor, as the axial mixing increases, the extraction efficiency Depends on the pressure of the system Decreases Remains unchanged Increases Depends on the pressure of the system Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer According to the Fenske equation, what will be the minimum number of plates required in a distillation column to separate an equimolar binary mixture of components A and B into an overhead fraction containing 99 mol% A and a bottom fraction containing 98 mol% B? Assume that relative volatility (αAB = 2) does not change appreciably in the coloumn. 10 8 12 6 10 8 12 6 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In case of unsaturated air Dew point < wet bulb temperature Both of the options given here Wet bulb temperature < dry bulb temperature None of the listed here Dew point < wet bulb temperature Both of the options given here Wet bulb temperature < dry bulb temperature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most common packing used in industrial operations is __________ rings. Raschig Single spiral Lessing Cross-partition Raschig Single spiral Lessing Cross-partition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Can a cooling tower cool water below the wet bulb temperature of inlet air? No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high No Yes Yes ; but the air flow rate should be excessively high Yes ; but height of cooling tower will be prohibitively high ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS