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 6 of 37

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Q51.
Which of the following is heat required in phase transitions?

a.

Latent Heat

b.

Sensible Heat

c.

Depends on type of phase transition

d.

None of the mentioned

Discuss
Answer: (a).Latent Heat
Q52.
What is the latent heat for melting?

a.

Heat of vaporization

b.

Heat of fusion

c.

Heat of Solidification

d.

None of the mentioned

Discuss
Answer: (b).Heat of fusion
Q53.
15 J is the latent heat for melting of ice, what is the heat of transition from 0°C ice to 15°C water if heat of transition from 0°C water to 15°C water is 10 J?

a.

10 J

b.

15 J

c.

25 J

d.

40 J

Discuss
Answer: (c).25 J
Q54.
5 J is the latent heat for melting of ice, what is the heat of transition from 0°C ice to 15°C water if heat of transition from 0°C water to 15°C water is 12 J?

a.

5 J

b.

12 J

c.

15 J

d.

17 J

Discuss
Answer: (d).17 J
Q55.
150 J is the latent heat for vaporization of water, what is the heat of transition from 50°C water to 100°C steam if heat of transition from 50°C water to 100°C water is 12 J?

a.

12 J

b.

152 J

c.

162 J

d.

200 J

Discuss
Answer: (c).162 J
Q56.
Heat of fusion of benzene is 10 J at 0°C, if Cp of solid benzene is 10 J/°C, and that of liquid benzene is 5 J/°C what is the enthalpy change of benzene from – 10°C to 10°C?

a.

160 J

b.

200 J

c.

240 J

d.

300 J

Discuss
Answer: (a).160 J
Q57.
If Cp of liquid water is 10 J/°C, what is the enthalpy change of water at standard conditions from – 10°C to 0°C?

a.

10 J

b.

50 J

c.

100 J

d.

Cannot be determined

Discuss
Answer: (d).Cannot be determined
Q58.
If Cp of liquid benzene is 15 J/°C, what is the enthalpy change of water from 5°C to 10°C?

a.

15 J

b.

50 J

c.

75 J

d.

90 J

Discuss
Answer: (c).75 J
Q59.
If Cp of solid benzene is 10 J/°C, what is the enthalpy change of water from 5°C to 75°C?

a.

5 J

b.

10 J

c.

75 J

d.

700 J

Discuss
Answer: (d).700 J
Q60.
If Cp of steam is 105 J/°C, what is the enthalpy change of steam from 106°C to 118°C?

a.

420 J

b.

640 J

c.

890 J

d.

1260 J

Discuss
Answer: (d).1260 J
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