Material Balances MCQs

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

Material Balances MCQs | Page 12 of 20

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Q111.
A liquid solid mixture with 20% solid and 80% liquid is input to a dryer, if the amount of evaporated water is 60% of the amount of input, what is the percentage of solid in the product?

a.

40%

b.

50%

c.

80%

d.

90%

Discuss
Answer: (b).50%
Q112.
A 100 Kg liquid solid mixture with 10% solid and 90% liquid is input to a dryer, if the amount of evaporated water is 60% of the amount of input, what is the amount of liquid in the product?

a.

10 Kg

b.

20 Kg

c.

30 Kg

d.

40 Kg

Discuss
Answer: (c).30 Kg
Q113.
50 Kg of a solid liquid mixture containing 10% solid and 90% water is left open in atmosphere, after some time the water is 80%, what is the weight of the mixture now?

a.

10 Kg

b.

25 Kg

c.

35 Kg

d.

50 Kg

Discuss
Answer: (b).25 Kg
Q114.
50 Kg of a solid liquid mixture containing 20% solid and 80% water is left open in atmosphere, after some time the water is 60%, how much water is evaporated?

a.

15 Kg

b.

25 Kg

c.

35 Kg

d.

45 Kg

Discuss
Answer: (b).25 Kg
Q115.
A gas mixture of 40% He and 60% Ne is passed through a diffusion tube and the product has 10% He and 90% Ne, what is the percentage of He recovered?

a.

25%

b.

33.3%

c.

50%

d.

66.6%

Discuss
Answer: (b).33.3%
Q116.
100 Kg of a gas mixture of 40% He and 60% Ne is passed through a diffusion tube and the product has 20% He and 80% Ne, what is the amount of He recovered?

a.

25 Kg

b.

45 Kg

c.

50 Kg

d.

75 Kg

Discuss
Answer: (a).25 Kg
Q117.
A gas mixture of 40% He and 60% Ne is passed through a diffusion tube, if the amount of He is recovered is 20% of the input, what is the percentage of He in the product?

a.

25 %

b.

33.3 %

c.

50 %

d.

66.6 %

Discuss
Answer: (a).25 %
Q118.
400 g of CaSO₄ is dissolved with 500 g of H₂O, if 226 g of CaSO₄.5H₂O crystallizes out, then what is the percentage of CaSO₄ in the remaining solution?

a.

39.16%

b.

51.54%

c.

62.28%

d.

75.67%

Discuss
Answer: (a).39.16%
Q119.
How much nitrogen must be added to a 20% nitrogen solution to obtain 100 Kg of 40% nitrogen solution?

a.

10 Kg

b.

25 Kg

c.

50 Kg

d.

75 Kg

Discuss
Answer: (b).25 Kg
Q120.
A reactor is supplied with 6 moles of CO and 3 moles of O₂ and produced 4 moles of CO₂, what is the extent of reaction?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
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