[Udemy 100% Off]-Refrigeration and Air-conditioning Practice Questions - 100% Free Udemy Discount Coupons For Online Courses

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Friday, November 8, 2019

[Udemy 100% Off]-Refrigeration and Air-conditioning Practice Questions

[Udemy 100% Off]-Refrigeration and Air-conditioning Practice Questions

Description

Refrigeration is the process of cooling a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is rejected at a higher temperature). In other words, refrigeration means artificial cooling. Heat is removed from a low-temperature reservoir and transferred to a high-temperature reservoir. The work of heat transfer is traditionally driven by mechanical means, but can also be driven by heat, magnetism, electricity, laser, or other means. Refrigeration has many applications, including, but not limited to: household refrigerators, industrial freezers, cryogenics, and air conditioning. Heat pumps may use the heat output of the refrigeration process, and also may be designed to be reversible, but are otherwise similar to air conditioning units.

Air conditioning is the process of removing heat and moisture from the interior of an occupied space to improve the comfort of occupants. Air conditioning can be used in both domestic and commercial environments. This process is most commonly used to achieve a more comfortable interior environment, typically for humans and other animals; however, air conditioning is also used to cool and dehumidify rooms filled with heat-producing electronic devices, such as computer servers, power amplifiers, and to display and store some delicate products, such as artwork.

These questions will give you basic idea for Examinations Preparation and/or interview on Refrigeration and Air-conditioning

Please Note: These questions are for practice and understanding level of knowledge only. It is not necessary that these questions may or may not appear for examinations and/or interview questions.

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