Introduction to Energy Balances MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Introduction to Energy 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 Introduction to Energy 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 Introduction to Energy Balances mcq questions that explore various aspects of Introduction to Energy Balances problems. Each MCQ is crafted to challenge your understanding of Introduction to Energy 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 Introduction to Energy Balances MCQs are your pathway to success in mastering this essential Basic Chemical Engineering topic.

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Introduction to Energy Balances MCQs | Page 8 of 37

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Q71.
What is the value of CP – CV for ideal gases?

a.

0

b.

R/2

c.

R

d.

2R

Discuss
Answer: (c).R
Q72.
A mixture contains 20% O₂ with CP = 15 J/°C and 80% CO₂ with CP = 20 J/°C, what is the average CP of mixture?

a.

3 J/°C

b.

9 J/°C

c.

16 J/°C

d.

19 J/°C

Discuss
Answer: (d).19 J/°C
Q73.
A mixture contains 30% Ar with CP = 30 J/°C, 30% N₂ with CP = 20 J/°C and 40% CH₄ with CP = 10 J/°C, what is the average CP of mixture?

a.

7 J/°C

b.

12 J/°C

c.

19 J/°C

d.

26 J/°C

Discuss
Answer: (c).19 J/°C
Q74.
A mixture contains 20% O₂ with CP = 10 J/°C, 30% N₂ with CP = 20 J/°C and 50% CO₂ with CP= 40 J/°C, what is the average CP of mixture?

a.

20 J/°C

b.

28 J/°C

c.

34 J/°C

d.

42 J/°C

Discuss
Answer: (b).28 J/°C
Q75.
A mixture contains 20% SO₂ with CP= 35 J/°C, 30% NO₃ with CP = 20 J/°C and 50% CO₂ with CP = 40 J/°C, what is the average CP of mixture?

a.

12 J/°C

b.

17 J/°C

c.

25 J/°C

d.

33 J/°C

Discuss
Answer: (d).33 J/°C
Q76.
Heat Capacity of CO₂ is given by 12 + 3T + T², what is the enthalpy change from 0°C to 6°C?

a.

169 J

b.

198 J

c.

244 J

d.

360 J

Discuss
Answer: (b).198 J
Q77.
Heat Capacity of water is given by 4 + T², what is the enthalpy change from 0°C to 3°C?

a.

7 J

b.

14 J

c.

21 J

d.

32 J

Discuss
Answer: (c).21 J
Q78.
CP-T curve covers 10 J from 2°C to 10°C, what is the enthalpy change?

a.

10 J

b.

20 J

c.

80 J

d.

100 J

Discuss
Answer: (a).10 J
Q79.
CP-T curve of CO₂ forms a rectangle of height 10 J/°C from 5°C to 10°C?

a.

10 J

b.

50 J

c.

100 J

d.

250 J

Discuss
Answer: (b).50 J
Q80.
CP-T curve of H2 forms a rectangle of height 20 J/°C from 4°C to 5°C?

a.

20 J

b.

80 J

c.

100 J

d.

140 J

Discuss
Answer: (c).100 J
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