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!

So, are you ready to put your Introduction to Energy Balances knowledge to the test? Let's get started with our carefully curated MCQs!

Introduction to Energy Balances MCQs | Page 24 of 37

Discover more Topics under Basic Chemical Engineering

Q231.
What is the work done by saturated water which evaporates to 10 kPa atmosphere to form 1 m³ of water vapor?

a.

1 kJ

b.

-1 kJ

c.

10 kJ

d.

-10 kJ

Discuss
Answer: (d).-10 kJ
Q232.
What is the work done by saturated water which evaporates to 20 kPa atmosphere to form 1.5 m³ of water vapor?

a.

20 kJ

b.

-20 kJ

c.

30 kJ

d.

-30 kJ

Discuss
Answer: (d).-30 kJ
Q233.
What is the work done by saturated water which evaporates to 1 kPa atmosphere to form 2 m³ of water vapor?

a.

-2 kJ

b.

2 kJ

c.

-1 kJ

d.

1 kJ

Discuss
Answer: (a).-2 kJ
Q234.
What is the work done by 0.1 m³ saturated ethanol which evaporates to 10 kPa atmosphere to form 1 m³ of water vapor?

a.

9 kJ

b.

-9 kJ

c.

10 kJ

d.

-10 kJ

Discuss
Answer: (b).-9 kJ
Q235.
What is the work done by 0.5 m³ saturated ethanol which evaporates to 20 kPa atmosphere to form 2 m³ of water vapor?

a.

20 kJ

b.

-20 kJ

c.

30 kJ

d.

-30 kJ

Discuss
Answer: (d).-30 kJ
Q236.
Energy out and Energy in of a system are 10 J and 25 J respectively, what is the efficiency of the system?

a.

10%

b.

40%

c.

50%

d.

80%

Discuss
Answer: (b).40%
Q237.
Energy out and Energy in of a system are 5 J and 25 J respectively, what is the efficiency of the system?

a.

20%

b.

40%

c.

60%

d.

80%

Discuss
Answer: (a).20%
Q238.
Energy out and Energy in of a system are 10 J and 20 J respectively, what is the efficiency of the system?

a.

20%

b.

30%

c.

40%

d.

50%

Discuss
Answer: (d).50%
Q239.
Energy out and Energy in of a system are 40 J and 25 J respectively, what is the efficiency of the system?

a.

40%

b.

80%

c.

160%

d.

200%

Discuss
Answer: (c).160%
Q240.
Energy out and Energy in of a system are 15 J and 25 J respectively, what is the efficiency of the system?

a.

40%

b.

60%

c.

80%

d.

110%

Discuss
Answer: (b).60%
Page 24 of 37