HFCs have an ODP of _____.
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When servicing an A2L unit, technicians should verify that t…
When servicing an A2L unit, technicians should verify that the refrigerant cylinder being used is certified by _____ as safe to use with mildly flammable refrigerants.
Which of the following is not a characteristic of R-717?
Which of the following is not a characteristic of R-717?
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 _____.
A refrigerant that is classified as B3 has _____.
A refrigerant that is classified as B3 has _____.
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 _____.
A measure of a liquid’s resistance to flow is called _____.
A measure of a liquid’s resistance to flow is called _____.
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 _____.
Often, the number assigned to a specific refrigerant is asso…
Often, the number assigned to a specific refrigerant is associated with the refrigerant’s _____.
Which refrigerant blend responds to temperature change like…
Which refrigerant blend responds to temperature change like a single refrigerant?