Mass Transfer For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of __________ microns (1 mm = 1000 microns). 43835 200-300 22190 > 500 43835 200-300 22190 > 500 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Cox chart, which is useful in the design of distillation column particularly for petroleum hydrocarbons, is a plot of (where, P = vapor pressure, T = temperature) P vs . log T Log P vs. log T T vs . P Log P vs . T P vs . log T Log P vs. log T T vs . P Log P vs . T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Occurrence of 'case hardening' during drying of a high moisture solid cake __________ the drying rate. Increases Decreases Exponentially increases Does not affect Increases Decreases Exponentially increases Does not affect ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Recovery of valuable solvent vapors from dilute mixture with air and other gases Decolouration of yellow glycerene ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is the most suitable for extraction in a system having very low density difference? Packed extraction tower Centrifugal extractor Mixer-settler extractor Pulsed extractor Packed extraction tower Centrifugal extractor Mixer-settler extractor Pulsed extractor ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer On moving the feed line (q-line) from saturated liquid feed (vertical position) to saturated vapor feed (horizontal feed), if the slope of both the operating lines are to be increased, then it will result in Increased reflux ratio Increased reboiler load None of these Greater degree of separation with a fixed number of trays Increased reflux ratio Increased reboiler load None of these Greater degree of separation with a fixed number of trays ANSWER DOWNLOAD EXAMIANS APP