Mass Transfer Which of the following remains constant 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 Which of the following operations does not involve leaching? Removing nicotine from its water solution by kerosene Dissolving sugar from the cells of the beet Dissolving pharmaceutical products from bark or roots Dissolving gold from ores Removing nicotine from its water solution by kerosene Dissolving sugar from the cells of the beet Dissolving pharmaceutical products from bark or roots Dissolving gold from ores ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer An aqueous solution of methanol is to be distilled in a tray column. High pressure steam is available as a source of heat. For a given reflux ratio and overhead composition, two options are being explored; (i) a reboiler is used and (ii) no reboiler is used but steam is fed directly to the bottom of the column. As compared to option (i), in option (ii) More number of trays are required but the residue composition remains unchanged More number of trays are required and the residue composition is more dilute in methanol Composition of the residue remains unchanged Less number of trays are required More number of trays are required but the residue composition remains unchanged More number of trays are required and the residue composition is more dilute in methanol Composition of the residue remains unchanged Less number of trays are required ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following is an undesirable characteristic for the solvent used in gas absorption? Low viscosity None of these High gas solubility Low vapor pressure Low viscosity None of these High gas solubility Low vapor pressure ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer As the reflux ratio in a distillation coloumn is increased from the minimum, the Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly Total cost first decreases and then increases Liquid flow increases while the vapor flow decreases for a system Slope of the operating line in stripping section decreases Number of plates decreases very slowly first and then more and more rapidly ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following adsorbent is used to decolourise yellow glycerine? Fuller Activated carbon Silica gel Alumina Fuller Activated carbon Silica gel Alumina ANSWER DOWNLOAD EXAMIANS APP
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