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 54 of 67

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Q531.
Fenske-Underwood equation used for calculating the minimum number of theoretical plates in distillation column is valid for

a.

constant molal overflow

b.

total reflux

c.

constant relative volatility

d.

all (a), (b) and (c)

Discuss
Answer: (d).all (a), (b) and (c)
Q532.
The binary diffusivity in gases does not depend upon the

a.

pressure

b.

temperature

c.

nature of the components

d.

none of these

Discuss
Answer: (d).none of these
Q533.
Berl saddle made of carbon cannot be used for

a.

alkalis

b.

SO₂

c.

H₂SO₄

d.

oxidising atmosphere

Discuss
Answer: (d).oxidising atmosphere
Q534.
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is

a.

0.4

b.

0.25

c.

0.2

d.

0.175

Discuss
Answer: (c).0.2
Q535.
Pick out the wrong statement. Raoult's law does not apply, when the

a.

size of component molecules are not equal.

b.

attractive forces between like and unlike molecules in the solution are approximately equal.

c.

component molecules are nonpolar.

d.

chemical combination or molecular association between unlike molecules takes place in the formation of solution.

Discuss
Answer: (c).component molecules are nonpolar.
Q536.
Water-ethyl alcohal solution can be concentrated (in respect of alcohal concentration) by __________ distillation.

a.

atmospheric

b.

vacuum

c.

high pressure

d.

none of these

Discuss
Answer: (b).vacuum
Q537.
L/mG is the expression for

a.

absorption factor

b.

Brinkman number

c.

slope of operating line in absorber

d.

slope of operating line in stripper.

Discuss
Answer: (a).absorption factor
Q538.
Extraction of pencillin employs a __________ extraction coloumn.

a.

centrifugal

b.

packed

c.

plate

d.

None of these.

Discuss
Answer: (a).centrifugal
Q539.
In case of gases, the binary diffusivity is proportional to (where, P = pressure)

a.

P

b.

1/P

c.

1/√P

d.

√P

Discuss
Answer: (b).1/P
Q540.
As per Gilliland's equation, the diffusivity is

a.

directly proportional to 'T^1.5'.

b.

inversely proportional to 'P'.

c.

dependent on the molecular volume & molecular weight of components.

d.

all 'a', 'b' & 'c'.

Discuss
Answer: (d).all 'a', 'b' & 'c'.
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