Mass Transfer MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Mass Transfer, a fundamental topic in the field of Basic Chemical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Mass Transfer 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 Mass Transfer mcq questions that explore various aspects of Mass Transfer problems. Each MCQ is crafted to challenge your understanding of Mass Transfer principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Basic Chemical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Mass Transfer MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Mass Transfer. 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 Mass Transfer knowledge to the test? Let's get started with our carefully curated MCQs!

Mass Transfer MCQs | Page 1 of 67

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Q1.
Which of the following T-H diagram is valid for dehumidification operation ?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (a).A
Q2.
If f = moles of vapour present per mole of feed, then the slope of feed line is (Mcabe-Thiele method)

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q3.
The diffusivity (D) in a binary gas mixture is related to the pressure (P) as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (c).C
Q4.
In gas-liquid contact operation, the number of ideal stages N is given by following equation. This is true when the stripping factor 'S' is

a.

S > 1

b.

S < 1

c.

S = 1

d.

S = ∞

Discuss
Answer: (a).S > 1
Q5.
In a vapor-liquid contacting equipment, the overall gas phase mass transfer co-efficient (M.T.C), KG is related to individual co-efficients (KG and KL) as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
Q6.
In continuous distillation, the internal reflux ratio (Ri) and the external reflux ratio (Re) are related as

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (d).D
Q7.
The following equation is for

a.

steady state equimolar counter diffusion

b.

Fick's first law of diffusion

c.

steady state diffusion for stagnant case

d.

liquid M.T.C. by penetration theory

Discuss
Answer: (a).steady state equimolar counter diffusion
Q8.
The following equation is for

a.

Fick's second law of diffusion.

b.

stready state diffusion for stagnant case.

c.

liquid M.T.C. by Higbie penetration theory.

d.

none of these.

Discuss
Answer: (b).stready state diffusion for stagnant case.
Q9.
The following plot gives the saturated humidity (He) versus temperature (T).Line joining (H1, T1) and (H2, T2) is the constant enthalpy line. Choose the correct one from among the alternatives A, B, C and D.

a.

T1-Dew point temp; T2-Dry bulb temp; T3-Wet bulb temp.

b.

T1-Dew point temp; T2-Wet bulb temp; T3-Dry bulb temp.

c.

T1-Wet bulb temp; T2-Dry bulb temp; T3-Dew point temp.

d.

T1-Dry bulb temp; T2-Wet bulb temp; T3-Dew point temp.

Discuss
Answer: (d).T1-Dry bulb temp; T2-Wet bulb temp; T3-Dew point temp.
Q10.
Which of the following liquid temperature (T) Vs. vapor-gas mixture enthalpy (H) diagram is valid for humidification operation?

a.

A

b.

B

c.

C

d.

D

Discuss
Answer: (b).B
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