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.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Introduction to Energy Balances. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

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Introduction to Energy Balances MCQs | Page 3 of 37

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Q21.
10 J of heat and 5 J of work are supplied to the system, what is the change in internal energy?

a.

5 J

b.

10 J

c.

15 J

d.

20 J

Discuss
Answer: (c).15 J
Q22.
15 J of heat is supplied to a system and system does 5 J of work, what is the change in internal energy?

a.

5 J

b.

10 J

c.

15 J

d.

20 J

Discuss
Answer: (b).10 J
Q23.
5 J of heat is taken out of the system and 20 J of work is done on the system, what is the change in internal energy of the system?

a.

5 J

b.

10 J

c.

15 J

d.

20 J

Discuss
Answer: (c).15 J
Q24.
10 J of heat is supplied and 3 J is taken out, if the change in internal energy of the system is 5 J, what is the work done on the system?

a.

2 J

b.

– 2 J

c.

5 J

d.

– 5 J

Discuss
Answer: (b).– 2 J
Q25.
5 J of work is done by the system, if the change in internal energy of the system is 10 J, what is the heat supplied to the system?

a.

– 5 J

b.

5 J

c.

– 15 J

d.

15 J

Discuss
Answer: (d).15 J
Q26.
2 Kg of steam is enclosed in a container with internal energy = 5 J/Kg, then 5 J of heat is supplied to the system, what is the final internal energy?

a.

7.5 J/ Kg

b.

15 J/Kg

c.

22.5 J/Kg

d.

30 J/Kg

Discuss
Answer: (a).7.5 J/ Kg
Q27.
5 Kg of steam is enclosed in a container with internal energy = 10 J/Kg, then 25 J of heat is supplied to the system, what is the final internal energy?

a.

5 J/Kg

b.

10 J/Kg

c.

15 J/Kg

d.

20 J/Kg

Discuss
Answer: (b).10 J/Kg
Q28.
In a 2 stage process Q1 = 5 J, Q2 = 10 J, if the change in internal energy in first stage is 10 J and the total change in internal energy is 20 J, what is the work do done in second stage?

a.

0

b.

5 J

c.

10 J

d.

– 5 J

Discuss
Answer: (a).0
Q29.
In a 3 stage process Q1 = 10 J, Q2= – 15 J, Q3 = 25 J, if ∆E1 = 15J and ∆E3 = 10 J, what is the work done in second stage, if the total ∆E is 30 J?

a.

5 J

b.

10 J

c.

15 J

d.

20 J

Discuss
Answer: (d).20 J
Q30.
What is the heat transferred to 2 Kg and 5 m³ of a rigid system, with change in enthalpy 5 J/Kg?

a.

5 J

b.

10 J

c.

15 J

d.

20 J

Discuss
Answer: (b).10 J
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