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 13 of 40

Discuss
Answer: (d).both (a) and (b)
Q122.
The freezing point of carbon dioxide is equal to boiling point of R-12.
Discuss
Answer: (b).Incorrect
Q123.
The condition of refrigerant as it leaves the compressor in a vapour compression system is
Discuss
Answer: (d).superheated vapour
Q124.
The super-heating in a refrigeration cycle
Discuss
Answer: (c).decreases C.O.P.
Discuss
Answer: (b).two heat exchangers
Q126.
The boiling point of __________ is -10.5°C.
Discuss
Answer: (c).sulphur dioxide
Q127.
One tonne of refrigeration (1TR) means that the heat removing capacity is
Discuss
Answer: (b).210 kJ/min
Q128.
The operating pressure for refrigerating units using R-12 as a refrigerant is
Discuss
Answer: (b).8 bar
Q129.
The specific humidity during heating and humidification process.
Discuss
Answer: (b).increases
Q130.
According to Prevost's theory of exchanges, every body irrespective of its temperature continuously emit heat radiations to the surrounding bodies and at the same time receives heat radiations from the surrounding bodies.
Discuss
Answer: (a).True