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!

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Material Balances MCQs | Page 11 of 20

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Q101.
Solution-1 containing 30% acetic acid and 20% nitrogen at the rate F combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate D and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate P, what is the percentage of nitrogen in product?

a.

10%

b.

20%

c.

30%

d.

Cannot be determined

Discuss
Answer: (d).Cannot be determined
Q102.
Solution-1 containing 30% acetic acid and 20% nitrogen at the rate F combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate D and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate 10 Kg/min, what is the percentage of nitrogen in product?

a.

10%

b.

20%

c.

30%

d.

Cannot be determined

Discuss
Answer: (d).Cannot be determined
Q103.
Solution-1 containing 30% acetic acid and 100% nitrogen at the rate 10 Kg/min combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate 20 Kg/min and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate 30 Kg/min the product formed contains 20% acetic acid, what is the percentage of nitrogen in product?

a.

10%

b.

20%

c.

30%

d.

Cannot be determined

Discuss
Answer: (a).10%
Q104.
Solution-1 containing 30% acetic acid and 20% nitrogen at the rate 10 Kg/min combines with Solution-2 containing 20% acetic acid and 10% nitrogen at the rate 20 Kg/min and Solution-3 containing 10% acetic acid and 30% nitrogen at the rate N the product formed contains 20% acetic acid at the rate P, what is the percentage of nitrogen in product?

a.

10%

b.

17.5%

c.

25.5%

d.

32.5%

Discuss
Answer: (b).17.5%
Q105.
An aqueous solution with sulfur 10 g/L at the rate is 100 L/min and an organic compound with no sulfur at the rate 50 L/min were put into an extraction machine and produced aqueous solution with sulfur 1 g/L, what is the amount of sulfur in organic compound after extraction?

a.

2 g/L

b.

5 g/L

c.

9 g/L

d.

15 g/L

Discuss
Answer: (c).9 g/L
Q106.
An aqueous solution with chlorine 30 g/L and an organic compound with no chlorine at the rate 50 L/min were put into an extraction machine and produced aqueous solution with chlorine 5 g/L and organic compound with chlorine 10 g/L, what is the rate of aqueous solution?

a.

10 L/min

b.

20 L/min

c.

30 L/min

d.

40 L/min

Discuss
Answer: (c).30 L/min
Q107.
A gas mixture input is given to a membrane with 40% O₂ and 60% N₂, the waste contains 80% of the input and the product contains 25% O₂ and 75% N₂, what is the percentage of O₂ in the waste?

a.

0.22

b.

0.44

c.

0.66

d.

0.88

Discuss
Answer: (b).0.44
Q108.
A gas mixture input is given to a membrane with 20% O₂ and 80% N₂, the waste contains 60% of the input and the product contains 30% O₂ and 70% N₂, what are the number of moles of O₂ in the waste?

a.

1

b.

2

c.

3

d.

Can’t be determined

Discuss
Answer: (d).Can’t be determined
Q109.
100 Kg mol of a gas mixture input is given to a membrane with 30% O₂ and 70% N₂, the waste contains 60% of the input and the product contains 10% O₂ and 90% N₂, what are the number of moles of O₂ in the waste?

a.

12

b.

16

c.

34

d.

42

Discuss
Answer: (c).34
Q110.
A liquid solid mixture with 10% solid and 90% liquid is input to a dryer, some of the liquid evaporated and the product contains 60% solid and 40% liquid, what is the ratio of amount of water evaporated and amount of input?

a.

2:1

b.

3:2

c.

5:4

d.

6:5

Discuss
Answer: (d).6:5
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