Heat Transfer,Refrigeration and Air Conditioning MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Heat Transfer,Refrigeration and Air Conditioning, a fundamental topic in the field of Mechanical Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Heat Transfer,Refrigeration and Air Conditioning 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 Heat Transfer,Refrigeration and Air Conditioning mcq questions that explore various aspects of Heat Transfer,Refrigeration and Air Conditioning problems. Each MCQ is crafted to challenge your understanding of Heat Transfer,Refrigeration and Air Conditioning principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Mechanical Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Heat Transfer,Refrigeration and Air Conditioning MCQs are your pathway to success in mastering this essential Mechanical Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Heat Transfer,Refrigeration and Air Conditioning. 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 Heat Transfer,Refrigeration and Air Conditioning knowledge to the test? Let's get started with our carefully curated MCQs!

Heat Transfer,Refrigeration and Air Conditioning MCQs | Page 35 of 40

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Q341.
The rate of heat flow through a body is . The term x/kA is known as
Discuss
Answer: (b).thermal resistance
Q342.
In actual air-conditioning applications for R-12 and R-22, and operating at a condenser temperature of 40° C and an evaporator temperature of 5° C, the heat rejection factor is about
Discuss
Answer: (b).1.25
Q343.
The undesireable property of a refrigerant is
Discuss
Answer: (d).high boiling point
Q344.
The dry bulb temperature during sensible heating of air
Discuss
Answer: (b).increases
Q345.
Radiation is the process of heat transfer in which heat flows from a __________ , in a straight line, without affecting the intervening medium.
Discuss
Answer: (b).hot body to cold body
Q346.
The heating of air, without any change in its specific humidity, is known as sensible heating.
Discuss
Answer: (a).True
Q347.
During sensible cooling of air, specific humidity
Discuss
Answer: (a).remains constant
Q348.
The transfer of heat by molecular collision is known as
Discuss
Answer: (a).conduction
Q349.
In a psychrometric chart, specific humidity (moisture content) lines are
Discuss
Answer: (b).horizontal and uniformly spaced
Discuss
Answer: (b).Stefan-Boltzmann equation