What is fractionation and how does it affect the way zeotropic refrigerants are handled?
What will be an ideal response?
Fractionation is the separation of refrigerant components in a zeotropic refrigerant when the refrigerant evaporates and condenses. This is why zeotropic refrigerants must leave the cylinder as a liquid, to avoid separating the components and changing the mixture of the refrigerant.
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?What is the ability to absorb or dissipate vibrations called?
A. ?damping B. ?hardness C. ?fatigue D. ?None of the above
Dedicated cutting torches are usually shorter than combination torches.
Answer the following statement true (T) or false (F)
You can change the pattern of permission settings by using the ____ command.
A. chperm B. chmod C. chsec D. chown
A PV system that has batteries but no charge controller is often referred to as a(n) _____________________ PV system.
Fill in the blank(s) with the appropriate word(s).