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 4 of 40

Discuss
Answer: (c).Second law of thermodynamics
Q32.
An electrolux refrigerator is called a __________ absorption system.
Discuss
Answer: (c).three fluids
Q33.
The heat transfer by radiation __________ a medium.
Discuss
Answer: (b).does not require
Q34.
Thermal conductivity of water __________ with rise in temperature.
Discuss
Answer: (d).may increase or decrease depending upon temperature
Q35.
The critical radius is the insulation radius at which the resistance to heat flow is
Discuss
Answer: (b).minimum
Q36.
In case of solids, the heat transfer takes place according to radiation.
Discuss
Answer: (b).Incorrect
Q37.
A water cooled condenser operates at a __________ condensing temperature than an air-cooled condenser.
Discuss
Answer: (b).lower
Q38.
The relative humidity decreases as air gets wet.
Discuss
Answer: (a).True
Q39.
The temperature of ammonia after compression in a vapour compression system is
Discuss
Answer: (c).70 to 110° C
Q40.
During adiabatic saturation process on unsaturated air __________ remains constant.
Discuss
Answer: (d).wet bulb temperature
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