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 19 of 37

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Q181.
What is the heating value of 10 Kg of coal with heat of combustion 10 J/Kg?

a.

-10 J

b.

10 J

c.

-100 J

d.

100 J

Discuss
Answer: (c).-100 J
Q182.
What is the heating value of 2 Kg of coal with heat of combustion 15 J/Kg?

a.

-15 J

b.

15 J

c.

-30 J

d.

30 J

Discuss
Answer: (c).-30 J
Q183.
What is the difference between higher heating value and lower heating value if the product has 5 mole of H₂O and Enthalpy of vaporization is 10 J/mole at standard conditions?

a.

10 J

b.

-10 J

c.

50 J

d.

-50 J

Discuss
Answer: (c).50 J
Q184.
What is the difference between lower heating value and higher heating value if the product has 2 mole of H₂O and Enthalpy of vaporization is 40 J/mole at standard conditions?

a.

-40 J

b.

40 J

c.

-80 J

d.

80 J

Discuss
Answer: (c).-80 J
Q185.
What is the value of higher heating value if the value of lower heating value is 10 J and the product has 5 mole of H₂O and Enthalpy of vaporization is 4 J/mole at standard conditions?

a.

10 J

b.

20 J

c.

30 J

d.

40 J

Discuss
Answer: (c).30 J
Q186.
What is the heat of reaction for CH₄ + 2O₂ -> CO₂ + 2H₂O, if the heat of combustion of H₂O = 5 J, CO₂ = 10 J, O₂ = 0, and CH₄ = 25 J?

a.

-5 J

b.

5 J

c.

-10 J

d.

10 J

Discuss
Answer: (b).5 J
Q187.
What is the heat of reaction for N₂ + 3H₂ -> 2NH₃, if the heat of combustion of N₂ = 5 J, H₂ = 2 J, and NH₃ = 15 J?

a.

-5 J

b.

5 J

c.

-19 J

d.

19 J

Discuss
Answer: (c).-19 J
Q188.
What is the heat of reaction for 2CO + O₂ -> 2CO₂, if the heat of combustion of CO = 20 J, O₂ = 5 J, and CO₂ = 25 J?

a.

5 J

b.

-5 J

c.

15 J

d.

-15 J

Discuss
Answer: (c).15 J
Q189.
What is the heat of reaction for H₂ + Cl₂ -> 2HCl, if the heat of combustion of H₂ = 2 J, Cl₂ = 10 J, and HCl = 10 J?

a.

-8 J

b.

8 J

c.

-10 J

d.

10 J

Discuss
Answer: (a).-8 J
Q190.
What is the heat of reaction for C₆H₆ + 3H₂ -> C₆H₁₂, if the heat of combustion of H₂ = 2 J, C₆H₆= 30 J, and C₆H₁₂ = 25 J?

a.

-6 J

b.

6 J

c.

-11 J

d.

11 J

Discuss
Answer: (d).11 J
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