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 38 of 40

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Q371.
The fluids used in electrolux refrigerator are
Discuss
Answer: (c).ammonia, water and hydrogen
Discuss
Answer: (d).any one of the above
Q373.
The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called
Discuss
Answer: (a).sub-cooling or under-cooling
Q374.
R-12 has the __________ freezing point.
Discuss
Answer: (a).lowest
Q375.
During sensible heating of air __________ decreases.
Discuss
Answer: (b).relative humidity
Q376.
The overall coefficient of heat transfer is used in problems of
Discuss
Answer: (d).conduction and convection
Q377.
The boiling point of R-12 is about - 30°C.
Discuss
Answer: (a).True
Q378.
A condenser is used in the __________ pressure side of a refrigerating system.
Discuss
Answer: (b).high
Discuss
Answer: (a).the better insulation must be put inside
Q380.
In a parallel flow heat exchanger, the rate of flow of heat and the rate of decrease of temperature are maximum.
Discuss
Answer: (a).Yes