Mass Transfer If Rm is the minimum reflux ratio, the optimum reflux ratio may be around __________ Rm. 5 1.2 to 1.5 3 to 4 2.5 to 3 5 1.2 to 1.5 3 to 4 2.5 to 3 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following processes is not an example of adsorption applied to gaseous separations? Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas Decolouration of yellow glycerene Recovery of valuable solvent vapors from dilute mixture with air and other gases Removal of objectionable odour and impurities from industrial gases Dehumidification of air and gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer It takes 6 hours to dry a wet solid from 50% moisture content to the critical moisture content of 15%. How much longer it will take to dry the solid to 10% moisture content, under the same drying conditions? (The equilibrium moisture content of the solid is 5%). 71 min 15 min 51 min 94 min 71 min 15 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Smoke is an example of Solid dispersed in liquid Liquid dispersed in gas Gas dispersed in liquid Solid dispersed in gas Solid dispersed in liquid Liquid dispersed in gas Gas dispersed in liquid Solid dispersed in gas ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is Always < 1 G/L L/G None of these Always < 1 G/L L/G None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Which of the following equipments is not used for gas dispersion? Bubble cap tray towers Spray towers Agitated vessels Perforated sieve tray towers Bubble cap tray towers Spray towers Agitated vessels Perforated sieve tray towers ANSWER DOWNLOAD EXAMIANS APP
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