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 17 of 20

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Q161.
Ethane is supplied with chlorine in a reactor, how many independent element balances can you write?

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (c).3
Q162.
A reactor is supplied with 2 streams both at same rates, one has pure Cl₂ , and another has pure C₂H₆, if the product has 20% C₂H₅Cl and 80% HCl, what is the ratio of rate of feed and rate of product?

a.

0.2

b.

0.5

c.

2

d.

5

Discuss
Answer: (a).0.2
Q163.
A reactor is supplied with 2 streams both at same rates, one has pure Cl₂ , and another has pure C₂H₆, if the product has 20% C₂H₅Cl and 50% HCl and 30% C₂H₆, what is the ratio of rate of feed and rate of product?

a.

0.2

b.

0.5

c.

2

d.

5

Discuss
Answer: (b).0.5
Q164.
A reactor is supplied with 2 streams both at the rate 5 mole, one has 40% Cl₂ and 60% N₂, and another has pure C₂H₆, if the product has C₂H₅Cl, HCl and N₂ at the rate 20 mole, what is the percentage of HCl in products?

a.

10%

b.

15%

c.

25%

d.

30%

Discuss
Answer: (b).15%
Q165.
What is the percentage of excess air, if 10 moles of air entered the process and only 5 moles of that are required?

a.

10%

b.

50%

c.

75%

d.

100%

Discuss
Answer: (d).100%
Q166.
What is the percentage of excess air if 50 grams of air is in excess and 150 grams of air enters the process?

a.

10%

b.

25%

c.

50%

d.

100%

Discuss
Answer: (c).50%
Q167.
10 moles of ethane is supplied with 49 moles of oxygen, what is the percentage of excess oxygen?

a.

20%

b.

40%

c.

50%

d.

70%

Discuss
Answer: (b).40%
Q168.
The extent of a reaction is 10, and the stoichiometric coefficient of O₂ is 2.5, if the moles of O₂ entering the process is 45, what is the percentage of excess air?

a.

20%

b.

40%

c.

60%

d.

80%

Discuss
Answer: (d).80%
Q169.
144 grams of C₅H₁₂ is burnt with 64 grams O₂, and 44 grams of CO₂ is formed, what is the percentage of excess O₂?

a.

25%

b.

50%

c.

75%

d.

100%

Discuss
Answer: (a).25%
Q170.
Ethene is burnt with 50% of excess air, what is the percentage of CO₂ in the products?

a.

11.11%

b.

36.36%

c.

66.66%

d.

72.72%

Discuss
Answer: (b).36.36%
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