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A partially halogenated refrigerant classification with zero…

A partially halogenated refrigerant classification with zero ozone depletion potential (ODP) but high global warming potential (GWP) describes _____. 

Published April 24, 2025
Categorized as Uncategorized

Often, the number assigned to a specific refrigerant is asso…

Often, the number assigned to a specific refrigerant is associated with the refrigerant’s _____. 

Published April 24, 2025
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Which refrigerant blend responds to temperature change like…

Which refrigerant blend responds to temperature change like a single refrigerant? 

Published April 24, 2025
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match the refrigerants with the corresponding common use. …

match the refrigerants with the corresponding common use.  A. R-454A  B. R-407C  C. R-508B  D. R-600a  E. R-1233zd 

Published April 24, 2025
Categorized as Uncategorized

When measuring low-side pressure, a technician can use a pre…

When measuring low-side pressure, a technician can use a pressure-temperature (P/T) chart to find _____. 

Published April 24, 2025
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When refrigeration lubricant is found to be dark black in co…

When refrigeration lubricant is found to be dark black in color, pungent in odor, and containing metal shavings, it is likely that the _____ failed. 

Published April 24, 2025
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True or False? Refrigeration lubricants are stable fluids th…

True or False? Refrigeration lubricants are stable fluids that should be kept in open containers or cylinders that are vented to atmosphere.

Published April 24, 2025
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The US governmental body charged with enforcing the regulati…

The US governmental body charged with enforcing the regulations of the Clean Air Act is the _____. 

Published April 24, 2025
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If [A] is a square matrix, the inverse of [A] satisfies:

If [A] is a square matrix, the inverse of [A] satisfies:

Published April 24, 2025
Categorized as Uncategorized

A nurse is assisting with preparing a preschool child for an…

A nurse is assisting with preparing a preschool child for an intravenous catheter insertion using atraumatic care. Which of the following actions should the nurse take? (Select all that apply)

Published April 24, 2025
Categorized as Uncategorized

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