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 39 of 40

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Q381.
In a domestic refrigerator, a capillary tube controls the flow of refrigerant from the
Discuss
Answer: (d).condenser to the evaporator
Q382.
The absolute humidity is the mass of water vapour present in 1 m³ of dry air.
Discuss
Answer: (a).Agree
Q383.
In a vapour absorption refrigeration system, the compressor of the vapour compression system is replaced by
Discuss
Answer: (d).absorber, generator and liquid pump
Q384.
The refrigerant used in small-tonnage commercial machines (hermetically sealed units) is
Discuss
Answer: (c).sulphur dioxide
Discuss
Answer: (b).water is used as a refrigerant and lithium bromide as an absorbent
Q386.
The heat transfer from a hot body to a cold body is directly proportional to the surface area and difference of temperatures between the two bodies. This statement is called
Discuss
Answer: (b).Newton's law of cooling
Q387.
The pressure at the inlet of a refrigerant compressor is called
Discuss
Answer: (a).suction pressure
Q388.
The process, generally used in summer air conditioning to cool and dehumidify the air, is called
Discuss
Answer: (d).cooling and dehumidification
Q389.
The leakage in a refrigeration system using ammonia is detected by
Discuss
Answer: (b).sulphur sticks
Q390.
The lowest temperature during the cycle in a vapour compression system occurs after
Discuss
Answer: (d).evaporation