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 33 of 37

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Q321.
What is the enthalpy change of the mixture if the enthalpy change of air is 10 J, enthalpy change of water vapor is 15 J, and the humidity is 40%?
Discuss
Answer: (d).16 J
Q322.
What is the enthalpy change of 15°C system if the heat capacity of air at 20°C is 10 J/°C and heat capacity of water vapor at 20°C is 20 J/°C, enthalpy of vaporization is 20 J, and the humidity is 50%?
Discuss
Answer: (d).110 J
Q323.
What is the enthalpy change of 10°C system if the heat capacity of air at 20°C is 5 J/°C and heat capacity of water vapor at 20°C is 15 J/°C, enthalpy of vaporization is 10 J, and the humidity is 40%?
Discuss
Answer: (c).114 J
Q324.
What is the enthalpy change of 20°C system if the heat capacity of air at 25°C is 5 J/°C and heat capacity of water vapor at 25°C is 10 J/°C, enthalpy of vaporization is 10 J, and the humidity is 20%?
Discuss
Answer: (b).37 J
Q325.
What is the enthalpy change of 30°C system if the heat capacity of air at 38°C is 5 J/°C and heat capacity of water vapor at 38°C is 10 J/°C, enthalpy of vaporization is 10 J, and the humidity is 60%?
Discuss
Answer: (d).94 J
Discuss
Answer: (a).Decreases the moisture content
Q327.
What is the work of humidification process?
Discuss
Answer: (a).Vaporization
Q328.
In condensation, moist air is cooled below its which temperature?
Discuss
Answer: (d).Saturation temperature
Q329.
What is added to the moist air in the combustion process?
Discuss
Answer: (a).Water
Q330.
In air conditioning process, what has to be done first to the moist air?
Discuss
Answer: (a).Heating