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 36 of 40

Q351.
The material of pipe lines for a system using freon as a refrigerant should be
Discuss
Answer: (b).copper
Q352.
The temperature of air recorded by a thermometer, when the moisture present in it begins to condense, is called wet bulb temperature.
Discuss
Answer: (b).No
Q353.
In a pressure enthalpy chart, the space to the left of the saturated liquid line represents
Discuss
Answer: (c).sub-cooled liquid region
Q354.
It is desired to condition the outside air from 70% relative humidity and 45° C dry bulb temperature to 50% relative humidity and 25° C dry bulb temperature (room condition). The practical arrangement will be
Discuss
Answer: (c).cooling and dehumidification
Q355.
During heating and dehumidification process, dry bulb temperature
Discuss
Answer: (b).increases
Q356.
The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T1 = Lowest absolute temperature, and T2 = Highest absolute temperature)
Discuss
Answer: (a).T₁ / (T₂ - T₁)
Discuss
Answer: (d).all of the above
Q358.
In which of the following refrigeration system, waste heat can be effectively used?
Discuss
Answer: (b).Vapour absorption cycle
Q359.
The temperature of air recorded by a thermometer, when it is not effected by the moisture present in the air, is called
Discuss
Answer: (b).dry bulb temperature
Q360.
A human body feels comfortable when the heat produced by the metabolism of human body is equal to the
Discuss
Answer: (c).sum of (a) and (b)