Mass Transfer The drying time between fixed moisture contents within the 'constant rate period' is proportional to (assuming that drying occurs from all surfaces of the solid) (where, T = thickness of the solid ) T1.5 T3 T √T T1.5 T3 T √T ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer In a forced draft cooling tower, water is cooled from 95 to 80°F by exposure to air with a wet bulb temperature of 70°F. In this case, the Neither A nor B Both A & B Range is 15°F Approach is 10°F Neither A nor B Both A & B Range is 15°F Approach is 10°F ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Steady state temperature reached by a small amount of liquid evaporating into a large amount of unsaturated vapour-gas mixture is called the __________ temperature. Dew point Adiabatic saturation Dry-bulb Wet-bulb Dew point Adiabatic saturation Dry-bulb Wet-bulb ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Absorption factor method is used to calculate the number of ideal stages, when Pressure drop in the column is very high Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line Operating line lies above the equilibrium line Pressure drop in the column is very high Both operating and equilibrium lines are parallel Operating line lies below the equilibrium line Operating line lies above the equilibrium line ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer McCabe-Thiele method Is more accurate than Ponchan-Savarit method Can use any type of units Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance Is more accurate than Ponchan-Savarit method Can use any type of units Uses weight fractions to express liquid and vapour composition Uses molal units for material and energy balance 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 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 Increased reflux ratio ANSWER DOWNLOAD EXAMIANS APP
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