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 8 of 40

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Q71.
Air conditioning means
Discuss
Answer: (d).all of these
Q72.
The emissivity for a black body is
Discuss
Answer: (d).1
Discuss
Answer: (d).all of the above
Q74.
The ratio of the thickness of thermal boundary layer to the thickness of hydrodynamic boundary layer is equal to (Prandtl number)n, where n is equal to
Discuss
Answer: (a).-1/3
Q75.
The curved lines on a psychrometric chart indicates
Discuss
Answer: (d).relative humidity
Q76.
During humidification process, __________ increases.
Discuss
Answer: (b).relative humidity
Q77.
A pressure gauge on the discharge side of a refrigerant compressor reads too high. The reasons will be
Discuss
Answer: (d).all of these
Q78.
The counter-current flow heat exchanger can transfer __________ heat than parallel flow heat exchanger.
Discuss
Answer: (b).more
Discuss
Answer: (a).halo-carbon refrigerants
Discuss
Answer: (d).large displacements and low condensing pressures