Separation Processes Questions and Answers – Differential Distillation

This set of Separation Processes Multiple Choice Questions & Answers (MCQs) focuses on “Differential Distillation”.

1. In differential distillation, there is no ____________
a) Distillate
b) Reaction
c) Reflux
d) Vapors
View Answer

2. What is the condition for Yd and x_d for toatal condensation?
a) Yd greater than x_d
b) Yd smaller than x_d
c) Yd smaller than or equal to x_d
d) Yd equal to x_d
View Answer

3. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 1000
Moles of liquid in residue at end W= 500
Mole fraction in liquid at start X₀ = 0.6
Mole fraction in liquid at end X= 0.5
a) 0.2
b) 0.3
c) 0.4
d) 0.5
View Answer

4. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 800
Moles of liquid in residue at end W= 500
Mole fraction in liquid at start X₀ = 0.5
Mole fraction in liquid at end X= 0.1
a) 0.2
b) 0.3
c) 1
d) 0.5
View Answer

5. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 2000
Moles of liquid in residue at end W= 500
Mole fraction in liquid at start X₀ = 0.3
Mole fraction in liquid at end X= 0.4
a) 0.23
b) 0.34
c) 0.27
d) 0.56
View Answer

6. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W0= 1000
Moles of liquid in residue at end W= 500
Mole fraction in liquid at start X0 = 0.5
Mole fraction in liquid at end X= 0.2
a) 0.2
b) 0.66
c) 0.4
d) 0.8
View Answer

7. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 1000
Moles of liquid in residue at end W= 500
Mole fraction in liquid at start X₀ = 0.25
Mole fraction in liquid at end X= 0.1
a) 0.2
b) 0.3
c) 0.4
d) 0.5
View Answer

8. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 1000
Moles of liquid in residue at end W= 600
Mole fraction in liquid at start X₀ = 0.6
Mole fraction in liquid at end X= 0.5
a) 0.2
b) 0.67
c) 0.44
d) 0.75
View Answer

9. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 1000
Moles of liquid in residue at end W= 500
Mole fraction in liquid at start X₀ = 0.7
Mole fraction in liquid at end X= 0.4
a) 0.2
b) 1
c) 0.4
d) 0.5
View Answer

10. What is the mole fraction in instantaneous distillate if:
Moles of liquid in residue at start W₀= 1000
Moles of liquid in residue at end W= 300
Mole fraction in liquid at start X₀ = 0.6
Mole fraction in liquid at end X= 0.5
a) 0.26
b) 0.61
c) 0.64
d) 0.59
View Answer

Sanfoundry Global Education & Learning Series – Separation Processes.

To practice all areas of Separation Processes, here is complete set of 1000+ Multiple Choice Questions and Answers.