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 45 of 67

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Q441.
In steam distillation, the

a.

temperature is 100°C.

b.

temperature is more than 100° C.

c.

product must be immiscible with water.

d.

temperature is higher than the boiling point of either component.

Discuss
Answer: (c).product must be immiscible with water.
Q442.
Which of the following can be calculated theoretically using steam table and Dalton's law of partial pressure; if the relative humidity and dry bulb temperature of moist air is known ?

a.

Dew point

b.

Humidity ratio

c.

Wet bulb temperature

d.

None of these

Discuss
Answer: (c).Wet bulb temperature
Q443.
Which of the following parameters remains constant during chemical dehumidifica-tion?

a.

Dry bulb temperature

b.

Partial pressure of vapour

c.

Wet bulb temperature

d.

None of these

Discuss
Answer: (a).Dry bulb temperature
Q444.
Drying of a solid involves __________ transfer.

a.

only heat

b.

only mass

c.

both heat and mass

d.

none of these

Discuss
Answer: (c).both heat and mass
Q445.
Mechanism of moisture removal in case of freeze drying of food stuff is by

a.

evaporation

b.

sublimation

c.

dehydration

d.

adsorption

Discuss
Answer: (b).sublimation
Q446.
The dew point of an unsaturated gas-vapor mixture does not depend upon the __________ of the mixture.

a.

composition

b.

temperature

c.

total pressure

d.

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

Discuss
Answer: (b).temperature
Q447.
Which is not concerned directly with mass transfer ?

a.

Schmidt number

b.

Sherwood number

c.

Lewis relationship

d.

Froude number

Discuss
Answer: (d).Froude number
Q448.
In case of cooling towers, the ratio of the rates of heat and mass transfer is indicated by the __________ number.

a.

Lewis

b.

Grashoff

c.

Sherwood

d.

none of these

Discuss
Answer: (a).Lewis
Q449.
Which one of the following devices is not used for both the absorption as well as the liquid-liquid extraction processes ?

a.

Packed towers

b.

Plate towers

c.

Spray towers

d.

Wetted wall columns

Discuss
Answer: (d).Wetted wall columns
Q450.
The temperature of water cooled in cooling tower is always __________ temperature of entering air.

a.

more than the wet bulb

b.

less than the wet bulb

c.

equal to the wet bulb

d.

equal to the dry bulb

Discuss
Answer: (a).more than the wet bulb
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