November 2007
Intermediate to advanced
736 pages
46h 32m
English
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REFRIGERANTS
Refrigerants are heat carrying mediums which during their cycle in the refrigeration system absorb heat at a low temperature level and discard the heat so absorbed at a higher level.
These refrigerants have been used since the 1930s because of their excellent characteristics. They have good physical properties for performance temperatures, pressure, oil mixing feature, heat transfer, specific, etc. They are non-toxic, stable, and inexpensive.
Chlorofluorocarbons (CFCs) are composed of chlorine, fluorine, and carbon atoms. Some in this group are R11, R12, and R114. Hydrochlorofluorocarbons (HCFCs) are composed of hydrogen, chlorine, fluorine, and carbon atoms. Some in this group are R122 and R123. Hydrofluorocarbons (HFCs) are composed ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.