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 14 of 40

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Discuss
Answer: (d).between the second heat exchanger and the cooling turbine
Q132.
According to Stefan-Boltzmann law, the total radiation from a black body per second per unit area is directly proportional to the
Discuss
Answer: (d).fourth power of the absolute temperature
Discuss
Answer: (a).high latent heat of vaporisation and low freezing point
Q134.
The thermal diffusivity for gases is generally __________ those for liquids.
Discuss
Answer: (c).greater than
Q135.
In a shell and coil condenser, water flows in the shell and the refrigerant in the coil.
Discuss
Answer: (b).False
Discuss
Answer: (c).dry bulb, wet bulb and dew point temperature are same
Q137.
Dew point temperature corresponds to the saturation temperature of vapour at its partial pressure.
Discuss
Answer: (a).True
Q138.
The capillary tube is not used in large capacity refrigeration systems because
Discuss
Answer: (b).capacity control is not possible
Q139.
The ratio of emissive power of a body to the emissive power of a perfectly black body is called emissivity.
Discuss
Answer: (a).Agree
Discuss
Answer: (a).degree of superheat at exit from the evaporator