Drying MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Drying, 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 Drying 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 Drying mcq questions that explore various aspects of Drying problems. Each MCQ is crafted to challenge your understanding of Drying 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 Drying 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 Drying. 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 Drying knowledge to the test? Let's get started with our carefully curated MCQs!

Drying MCQs | Page 2 of 7

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Q11.
After critical moisture content _________ starts.

a.

Saturated drying region

b.

Unsaturated dryinG α΅£egion

c.

Constant drying region

d.

None of the mentioned

Discuss
Answer: (b).Unsaturated drying region
Q12.
After the unsaturated drying completed ________ starts to evaporate.

a.

Bound

b.

Unbound

c.

Equilibrium

d.

None of the mentioned

Discuss
Answer: (a).Bound
Q13.
Find the time taken to dry 50% to 40% of moisture (dry basis) if critical moisture content is 30%. If the weight of the wet solid is 5 kg and the product of area and the constant rate is 0.5 kg/min.

a.

20 sec

b.

40 sec

c.

60 sec

d.

80 sec

Discuss
Answer: (c).60 sec
Q14.
Find the period if the initial and the final moisture content are 60% and 40%. Also the critical moisture content is 30%.

a.

Constant rate period

b.

Falling rate period

c.

Unsaturated period

d.

None of the mentioned

Discuss
Answer: (a).Constant rate period
Q15.
Find the period if the initial and the final moisture content are 50% and 20%. Also the critical moisture content is 30%.

a.

Constant rate period

b.

Falling rate period

c.

saturated period

d.

None of the mentioned

Discuss
Answer: (b).Falling rate period
Q16.
At the constant drying period of a batch process, the rate of drying varies accordingly.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q17.
Find the change in moisture content from the given data.

Given data:

Time for drying= 6 sec
Area * Constant rate = 8 kg per sec
Weight of wet solid = 100 kg

a.

0.21

b.

0.12

c.

0.48

d.

0.84

Discuss
Answer: (c).0.48
Q18.
Find the initial moisture content for the batch process if the final moisture content is 25% (dry basis) and the constant moisture content is 40%. (Includes constant and falling rate period)

a.

35

b.

30

c.

60

d.

None of the mentioned

Discuss
Answer: (c).60
Q19.
Find the final moisture content for the batch process if the initial moisture content is 75% (dry basis) and the constant moisture content is 40%. (Includes constant and falling rate period)

a.

45

b.

50

c.

60

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Q20.
Falling rate period of a batch process starts at

a.

Saturated drying surface

b.

Unsaturated drying surface

c.

Both unsaturated and saturated region

d.

None of the mentioned

Discuss
Answer: (b).Unsaturated drying surface
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