Interphase Mass Transfer(Mass Transfer ) Questions and Answers

Question 1. (Yn- Yn-1)/ (Yn*-Yn-1) is
  1.    Fractional overall
  2.    Murphree stage
  3.    Stage
  4.    Tray
Explanation:-
Answer: Option B. -> Murphree stage
Answer: (b).Murphree stage
Question 2. Look out the figure below. At the position (X), which of the following will be remains same as it enters into the process.Look Out The Figure Below. At The Position (X), Which Of The...
  1.    Non-diffusing solvent
  2.    Non-diffusing solute
  3.    Diffusing solvent
  4.    Diffusing solute
Explanation:-
Answer: Option A. -> Non-diffusing solvent
Answer: (a).Non-diffusing solvent
Question 3. Find the x & y co-ordinate in the figure below at steady state. Here, the gas phase and liquid phase mole fraction representation is given below.Find The X & Y Co-ordinate In The Figure Below At Steady...
  1.    x- distance & y- concentration
  2.    x-time & y- concentration
  3.    x-concentration & y- time
  4.    x-concentration & y-distance
Explanation:-
Answer: Option A. -> x- distance & y- concentration
Answer: (a).x- distance & y- concentration
Question 4. ______________ is defined as the number of equilibrium stages to the number of real stages.
  1.    Murphree stage efficiency
  2.    Fractional overall efficiency
  3.    Stage efficiency
  4.    Overall efficiency
Explanation:-
Answer: Option B. -> Fractional overall efficiency
Answer: (b).Fractional overall efficiency
Question 5. Murphree efficiency is defined as the number of equilibrium stages to the number of real stages.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False
Question 6. The Concentration of the two phases in a closed system at the Interphase is
  1.    Changes continuously
  2.    Never changes
  3.    Becomes zero
  4.    Increases till the driving force becomes zero
Explanation:-
Answer: Option B. -> Never changes
Answer: (b).Never changes
Question 7. Consider a steady-state condition; the concentration at any point in the equipment never changes with time.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True
Question 8. According to Lewis and Whitman theory, the departure from concentration equilibrium at the Interphase is due to
  1.    Low mass transfer rates
  2.    High mass transfer rates
  3.    Moderate mass transfer rate
  4.    None of the mentioned
Explanation:-
Answer: Option B. -> High mass transfer rates
Answer: (b).High mass transfer rates
Question 9. The real driving force of the mass transfer is
  1.    Chemical potential
  2.    Physical potential
  3.    Pressure gradient
  4.    Concentration gradient
Explanation:-
Answer: Option A. -> Chemical potential
Answer: (a).Chemical potential
Question 10. Diffusion of components between the phases at equilibrium is
  1.    Zero
  2.    Infinity
  3.    Changes continuously
  4.    Diffusion never occurs
Explanation:-
Answer: Option A. -> Zero
Answer: (a).Zero
© Lakshya_Education.com, All Right Reserved.
Contact Us services