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 30 of 40

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Q291.
The process of heat transfer from one particle of the fluid to another by the actual movement of the fluid particles caused by some mechanical means, is known as
Discuss
Answer: (c).forced convection
Q292.
When ฮฑ is absorptivity, ฯ is reflectivity and ฯ„ is transmittivity, then for a diathermanous body,
Discuss
Answer: (d).ฮฑ + ฯ = 1 and ฯ„ = 0
Q293.
When there is an addition of water vapour to the air of enclosed space, a gain in __________ is said to occur.
Discuss
Answer: (b).latent heat
Q294.
The relative humidity __________ as air gets drier.
Discuss
Answer: (a).increases
Discuss
Answer: (b).humidity ratio
Q296.
The critical thickness of insulation for a sphere is
Discuss
Answer: (b).2k/h0
Q297.
The difference between dry bulb temperature and dew point temperature, is called
Discuss
Answer: (c).dew point depression
Q298.
Logarithmic mean temperature difference is the same as the arithmetic mean temperature difference.
Discuss
Answer: (b).Disagree
Discuss
Answer: (a).thermal conductivity to the equivalent thickness of the film of fluid
Q300.
Thermal conductivity of solid metals __________ with rise in temperature.
Discuss
Answer: (b).decreases