Mass Transfer As the reflux ratio decreases, the Column diameter increases None of these Separation becomes more efficient Number of plates increases Column diameter increases None of these Separation becomes more efficient Number of plates increases 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%). 51 min 71 min 94 min 15 min 51 min 71 min 94 min 15 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer For a fixed number of ideal stages in a distillation column, as the reflux ratio is increased, the difference in composition between the top and bottom product streams Remains unaffected Increases Passes through a maximum Decreases Remains unaffected Increases Passes through a maximum Decreases 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 L/G G/L None of these Always < 1 L/G G/L None of these Always < 1 ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer At __________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation. Maximum permissible Operating Minimum Total Maximum permissible Operating Minimum Total ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Heat sensitive materials like certain pharmaceuticals and food stuffs can be dried in a/an __________ dryer. Spray Indirect tray Freeze None of these Spray Indirect tray Freeze None of these ANSWER DOWNLOAD EXAMIANS APP
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