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A refrigerant that is classified as B3 has _____. 

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
A refrigerant that is classified as B3 has _____. 
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match the refrigerants with the corresponding common use. …

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
match the refrigerants with the corresponding common use.  A. R-454A  B. R-407C  C. R-508B  D. R-600a  E. R-1233zd 
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When refrigeration lubricant is found to be dark black in co…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
When refrigeration lubricant is found to be dark black in color, pungent in odor, and containing metal shavings, it is likely that the _____ failed. 
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A partially halogenated refrigerant classification with zero…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
A partially halogenated refrigerant classification with zero ozone depletion potential (ODP) but high global warming potential (GWP) describes _____. 
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True or False? Even though some refrigerants, such as R-12,…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
True or False? Even though some refrigerants, such as R-12, are illegal to manufacture, only technicians who are EPA-certified may purchase small cans of R-12. 
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A group of synthetic lubricants compatible with CFCs, HCFCs,…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
A group of synthetic lubricants compatible with CFCs, HCFCs, and HFCs describes _____ lubricants. 
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True or False? Refrigeration lubricants are stable fluids th…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
True or False? Refrigeration lubricants are stable fluids that should be kept in open containers or cylinders that are vented to atmosphere.
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Which type of refrigerant has the highest ODP? 

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
Which type of refrigerant has the highest ODP? 
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Which of the following statements is true about the graphica…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
Which of the following statements is true about the graphical method?
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What type of matrix is formed when all elements except the m…

Posted on: April 24, 2025 Last updated on: April 24, 2025 Written by: Anonymous
What type of matrix is formed when all elements except the main diagonal are zero?
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