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

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. 

A group of synthetic lubricants compatible with CFCs, HCFCs, and HFCs describes _____ lubricants. 

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

Which type of refrigerant has the highest ODP? 

Which of the following statements is true about the graphical method?

What type of matrix is formed when all elements except the main diagonal are zero?

If is a square matrix, the inverse of satisfies:

Six-year old Amy needs to be hospitalized again because of chronic illness. The clinic nurse overhears her school-age siblings tell her, “We are sick of mom always sitting with you in the hospital and playing with you. It isn’t fair that you get everything and we have to stay with the neighbors.” What is the nurse’s best assessment of this information?

38° C=_______________________FDo not provide the unit of measurement. Only provide the number. Round to the nearest tenth.