Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Packed extraction tower Pulsed extractor Mixer-settler extractor Centrifugal extractor Packed extraction tower Pulsed extractor Mixer-settler extractor Centrifugal extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following psychrometric processes is followed by water vapour laden unsaturated air, when it is passed through solid or liquid adsorbent? Heating and dehumidification at almost constant wet bulb temperature Cooling and dehumidification Dehumidification with dry bulb temperature remaining constant None of these Heating and dehumidification at almost constant wet bulb temperature Cooling and dehumidification Dehumidification with dry bulb temperature remaining constant None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The operation involved when the soluble material is largely on the surface of an insoluble solid and is merely washed off by the solvent is called Percolation None of these Elutriation or elution Decoction Percolation None of these Elutriation or elution Decoction ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At what value of reflux ratio, number of theoretical plates in a distillation column is minimum? < 1 1 ∞ < 1 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following increases during evaporative cooling process with recirculated water supply? Both B and C Partial pressure of vapour Wet bulb temperature Relative humidity Both B and C Partial pressure of vapour Wet bulb temperature Relative humidity ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The most common packing used in industrial operations is __________ rings. Cross-partition Lessing Single spiral Raschig Cross-partition Lessing Single spiral Raschig ANSWER DOWNLOAD EXAMIANS APP
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