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 5 of 20

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Q41.
An unsteady state system, the flow in rate of A is 10 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 2 seconds?

a.

5 mole/s

b.

10 mole/s

c.

15 mole/s

d.

20 mole/s

Discuss
Answer: (a).5 mole/s
Q42.
An unsteady state system, the flow in rate of A is 12 mole/s, what is the flow out rate of B if the accumulation was 18 mole in 3 seconds?

a.

4 mole/s

b.

6 mole/s

c.

8 mole/s

d.

9 mole/s

Discuss
Answer: (b).6 mole/s
Q43.
An unsteady state system, the flow in rate of A is 5 mole/s, what is the flow out rate of B if the accumulation was 10 mole in 5 seconds?

a.

1 mole/s

b.

2 mole/s

c.

3 mole/s

d.

5 mole/s

Discuss
Answer: (c).3 mole/s
Q44.
An unsteady state system, the flow in rate of A is 8 mole/s, what is the flow out rate of B if the accumulation was 6 mole in 2 seconds?

a.

1 mole/s

b.

2 mole/s

c.

3 mole/s

d.

5 mole/s

Discuss
Answer: (d).5 mole/s
Q45.
An unsteady state system, the flow in rate of A is 6 mole/s, what is the flow out rate of B if the accumulation was 18 mole in 9 seconds?

a.

1 mole/s

b.

2 mole/s

c.

3 mole/s

d.

4 mole/s

Discuss
Answer: (d).4 mole/s
Q46.
Feed of a reactor has 0.25 mass fraction of H₂O and 0.75 mass fraction of CO₂ with rate 4 g/hr, if the product rate is 20 g/hr what is the mass of CO₂ in the product side?

a.

3 grams

b.

9 grams

c.

15 grams

d.

21 grams

Discuss
Answer: (c).15 grams
Q47.
A reactor has feed of two streams, stream 1 has CO₂ and H₂O with mass fraction of 0.4 and 0.6 and rate 10 kg/hr, and stream 2 has CO₂ and H₂O with mass fraction 0.1 and 0.9 and rate 40 Kg/hr, what the mass fraction of CO₂ in the product stream?

a.

0.08

b.

0.16

c.

0.24

d.

0.32

Discuss
Answer: (b).0.16
Q48.
A reactor has feed from 2 streams, one with rate 10 Kg/hr and other with 30 Kg/hr, and product side also has 2 streams one of which is at the rate of 15 Kg/hr, what is the rate of other product stream?

a.

5 Kg/hr

b.

15 Kg/hr

c.

25 Kg/hr

d.

35 Kg/hr

Discuss
Answer: (c).25 Kg/hr
Q49.
Feed of a reactor has 0.75 mass fraction of O₂ and some SO₂, if the product rate is 1000 Kg/hr then what is the rate of SO₂ in the feed?

a.

100 Kg/hr

b.

250 Kg/hr

c.

750 Kg/hr

d.

1000 Kg/hr

Discuss
Answer: (b).250 Kg/hr
Q50.
A reactor has two feed streams with the ratio of their rate as 1:9 and has O₂ and O₃ with the mass fraction of 0.6 and 0.4 in stream 1 and 0.2 and 0.8 in stream 2, what is the mass fraction of O₂ in the product side?

a.

0.24

b.

0.48

c.

0.72

d.

0.96

Discuss
Answer: (a).0.24
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