Mass Transfer The most common packing used in industrial operations is __________ rings. Raschig Lessing Single spiral Cross-partition Raschig Lessing Single spiral Cross-partition ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Relative humidity is the ratio of the Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity None of these Partial pressure of the vapour to the vapour pressure of the liquid at gas temperature Partial pressure of the vapour to the vapour pressure of the liquid at room temperature Actual humidity to saturation humidity None of these ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The relation, Sc = Pr = 1, is valid, when the mechanism of __________ ansfer is same. Heat and momentum Mass and momentum Heat, momentum and mass Heat and mass Heat and momentum Mass and momentum Heat, momentum and mass Heat and mass 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%). 15 min 71 min 51 min 94 min 15 min 71 min 51 min 94 min ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer The humid volume may be increased by increasing the Humidity at constant temperature Temperature at constant humidity Both A & B Neither A nor B Humidity at constant temperature Temperature at constant humidity Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mass Transfer Pick out the wrong statement. Raoult's law does not apply, when the Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Component molecules are nonpolar Chemical combination or molecular association between unlike molecules takes place in the formation of solution Attractive forces between like and unlike molecules in the solution are approximately equal Size of component molecules are not equal Component molecules are nonpolar Chemical combination or molecular association between unlike molecules takes place in the formation of solution ANSWER DOWNLOAD EXAMIANS APP
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