Distillation MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Distillation, a fundamental topic in the field of Mass Transfer. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Distillation MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Distillation mcq questions that explore various aspects of Distillation problems. Each MCQ is crafted to challenge your understanding of Distillation principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mass Transfer tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Distillation MCQs are your pathway to success in mastering this essential Mass Transfer topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Distillation. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Distillation knowledge to the test? Let's get started with our carefully curated MCQs!

Distillation MCQs | Page 3 of 15

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Q21.
Flash vaporization is a

a.

Equilibrium distillation

b.

Differential distillation

c.

Simple distillation

d.

None of the mentioned

Discuss
Answer: (a).Equilibrium distillation
Q22.
The feed is directly passed to the flash vaporization column

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q23.
Binary mixture of 100 kmol/hr enters into a flash drum has equimolar composition. The distillate obtained is 60 kmol/hr and the enthalpy of distillate, residue and feed are 500 KJ/kmol, 200 KJ/kmol and 400 KJ/kmol. Find the bottom flow rate in kmol/hr.

a.

10

b.

20

c.

30

d.

40

Discuss
Answer: (c).30
Q24.
Find the ratio of distillate to residual flow rates, if a binary mixture containing 65% of more volatile component while the distillate and the residue compositions are 90% and 30%.

a.

0.4

b.

1.4

c.

2.4

d.

3.4

Discuss
Answer: (c).2.4
Q25.
What happens to the liquid after preheating when enter to the cyclonic flash drum?

a.

Starts to evaporate

b.

Split with centrifugal force

c.

Comes out in residue

d.

None of the mentioned

Discuss
Answer: (b).Split with centrifugal force
Q26.
Express the flash vaporization

a.

Single stage operation

b.

Multi component operation

c.

Still operation

d.

None of the mentioned

Discuss
Answer: (a).Single stage operation
Q27.
Find the heat given( in KJ) to the feed for the flash vaporization process if the ratio of residue to the distillate is 0.65 and the enthalpy of feed, distillate and the residue are 500, 800 and 200 KJ/kmol respectively. The feed rate is 100 kmol/hr.

a.

4343

b.

5353

c.

6363

d.

7373

Discuss
Answer: (c).6363
Q28.
Find the distillate and the residue rates in mole/hr, if the feed rate is 100 mol/hr; The compositions of feed, distillate and residue in terms of mole fraction are 0.65, 0.9 and 0.2.

a.

36,64

b.

64,36

c.

20,80

d.

80,20

Discuss
Answer: (b).64,36
Q29.
Large number of flash distillation equals a differential distillation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q30.
The column used for differential distillation is_______________

a.

Still

b.

Differential column

c.

Batch column

d.

None of the mentioned

Discuss
Answer: (a).Still
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