In a distillation column, with increase in the reflux ratio, the heat removed in the cooler Increases Decreases Remains unaffected And the heat required in reboiler decreases TRUE ANSWER : ? YOUR ANSWER : ?
When both the fluids flow concurrently in an absorber, the slope of the operating line is 1 + ve - ve -1 TRUE ANSWER : ? YOUR ANSWER : ?
High pressure at the bottom of a distillation tower handling heat sensitive materials results in Erosion of the tower Very efficient operation Increased relative volatility Thermal decomposition of bottoms TRUE ANSWER : ? YOUR ANSWER : ?
In case of a desorber (stripper), the Operating line always lies below the equilibrium curve Operating line always lies above the equilibrium curve Temperature always increases Temperature remains unaffected TRUE ANSWER : ? YOUR ANSWER : ?
Azeotropism for ethyl alcohol-water system disappears by Decreasing pressure Increasing temperature No means Increasing pressure TRUE ANSWER : ? YOUR ANSWER : ?
Gaseous diffusivity at atmospheric pressure is of the order of __________ cm²/second. 5 to 10 > 10 1 1 to 5 TRUE ANSWER : ? YOUR ANSWER : ?
For a ternery mixture, in which equilateral triangular co-ordinate is used in leaching and extraction, a __________ of the equilateral triangular co-ordinates. Binary mixture is represented by the apex Pure component is represented by the apex Ternery mixture is represented by the sides Binary mixture is represented by any point inside TRUE ANSWER : ? YOUR ANSWER : ?
Corresponding to Nusselt number in heat transfer, the dimensionless group in mass transfer is the __________ number. Stanton Peclet Sherwood Schmidt TRUE ANSWER : ? YOUR ANSWER : ?
As the reflux ratio decreases, the None of these Separation becomes more efficient Column diameter increases Number of plates increases TRUE ANSWER : ? YOUR ANSWER : ?
During constant rate drying period, vaporisation rate per unit drying surface area Decreases with time Does not affect the moisture content of the wet solid Increases with time Does not change with time TRUE ANSWER : ? YOUR ANSWER : ?