In case of absorption, both the operating and equilibrium lines will be straight for______________?

Related Mcqs:

1. In a packed absorption tower, if the equilibrium and operating lines are both straight lines, then the ratio, HETP/HTUOG ______________ the absorption factor?

   A. Increases with increase in
   B. Is one at unity value of
   C. Both A. and B.
   D. Neither A. nor B.

2. 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

3. Absorption factor is defined as (where, S1 = slope of the operating line S2 = slope of the equilibrium curve) ____________________?

   A. S2/S1
   B. S1/S2
   C. S1 – S2
   D. S1 × S2

4. If the overall efficiency and Murphree plate efficiency are equal, then both the equilibrium and operating lines are_______________?

   A. Straight
   B. Parallel
   C. Both A. & B.
   D. Neither A. nor B.

5. In a packed tower, the value of HETP equals HTUOG, when the equilibrium and the operating lines are (where, HETP = height equivalent to a theoretical plate HTUOG = overall gas phase height of a transfer unit) ?

   A. Straight
   B. Parallel
   C. Both A. & B.
   D. Neither A. nor B.

6. In case of absorption & stripping, the interface of the liquid & gas phases are present in equilibrium, when the diffusional resistance of _______________ is zero?

   A. Interface
   B. Gas phase
   C. Liquid phase
   D. All A , B. & C.

7. In a gas-liquid absorption column, for obtaining the maximum absorption efficiency____________________?

   A. Liquid stream should be distributed uniformly
   B. Gas stream should be distributed uniformly
   C. Both gas as well as liquid streams should be distributed uniformly
   D. By passing should be completely avoided
   Answer: Option C

8. Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in_________________?

   A. Decreased solute solubility
   B. Large minimum liquid to gas (L/G) ratio
   C. Large number of trays
   D. All A., B. and C.

9. Absorption accompanied with chemical reaction is exemplified by the absorption of___________________?

   A. Ammonia in water
   B. Benzol present in coke oven gas by wash oil
   C. SO2 in alkaline solution
   D. All A., B. and C.

10. In the absorption of ammonia in water, the main resistance to absorption is by the _________________ phase?

    A. Liquid
    B. Gas
    C. Both A. & B.
    D. Neither A. nor B.