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Which of the following is not a characteristic of R-717? 

Which of the following is not a characteristic of R-717? 

Published April 24, 2025
Categorized as Uncategorized

When the compressor is running on a system with a standard a…

When the compressor is running on a system with a standard air-cooled condenser, the temperature difference between ambient air and condenser refrigerant is about _____. 

Published April 24, 2025
Categorized as Uncategorized

A refrigerant that is classified as B3 has _____. 

A refrigerant that is classified as B3 has _____. 

Published April 24, 2025
Categorized as Uncategorized

A refrigerant’s GWP is based on the ratio of its warming eff…

A refrigerant’s GWP is based on the ratio of its warming effect compared to the warming effect of _____. 

Published April 24, 2025
Categorized as Uncategorized

A measure of a liquid’s resistance to flow is called _____. 

A measure of a liquid’s resistance to flow is called _____. 

Published April 24, 2025
Categorized as Uncategorized

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
Categorized as Uncategorized

Which refrigerant blend responds to temperature change like…

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

Published April 24, 2025
Categorized as Uncategorized

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
Categorized as Uncategorized

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