A. Line always lies above the equilibrium curve
B. Line always lies below the equilibrium curve
C. Line can be either above or below the equilibrium curve
D. Velocity is more than the loading velocity
Related Mcqs:
- Acetone is to be removed from air in an isothermal dilute absorber using pure water as solvent. The incoming air contains 5 mole% of acetone (yin = 0.05). The design equation to be used for obtaining the number of trays (N) of the absorber is, N+2 = 6 log (yin/yout).For 98% recovery of acetone, the number of trays required is/are ?
A. 4
B. 8
C. 9
D. 10 - The minimum liquid rate to be used in an absorber corresponds to an operating line__________________?
A. Of slope = 1
B. Of slope = 0.1
C. Tangential to the equilibrium curve
D. None of these - The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is_____________________?
A. 0
B. ∞
C. -ve
D. +ve - The minimum liquid rate to be used in an absorber corresponds to an operating line_______________________?
A. Of slope = 1
B. Of slope = 0.1
C. Tangential to the equilibrium curve
D. None of these - The slope of the operating line for a single component co-current absorber when plotted in terms of mole ratio units is__________________?
A. 0
B. ∞
C. -ve
D. +ve - For a single component absorber, the operating line is straight only when plotted in term of ______________ units?
A. Partial pressure
B. Mole ratio
C. Mole fraction
D. None of these - When both the fluids flow concurrently in an absorber, the slope of the operating line is____________________?
A. -ve
B. +ve
C. 1
D. -1 - For an absorber, both equilibrium and operating line will be straight for _______________________?
A. Concentrated solution and non-isothermal operation
B. Dilute solution and non-isothermal operation
C. Dilute solution and isothermal operation
D. Concentrated solution and isothermal operation - The operating line for an absorber is curved, when plotted in terms of _______________________?
A. Mole fractions
B. Mole ratios
C. Partial pressure
D. Mass fractions - 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___________________?
A. L/G
B. G/L
C. Always < 1
D. None of these
