Why is refrigerant not used for a system standing pressure test?
What will be an ideal response?
The pressure of the refrigerant vapor varies too much with a temperature change. It is illegal to vent refrigerant into the atmosphere.
You might also like to view...
Straight-edged (without tongue -and-groove) structural wood panels (plywood and oriented strandboard, OSB) are typically made to nominal dimensions of 4 ft × 8 ft. What are the actual dimensions of such a panel?
What will be an ideal response?
? Identify and state the historical significance of Terence Powderly.
What will be an ideal response?
Health records of companion animals should include
A. A complete record of all vaccinations (and any adverse reactions to vaccines) B. Any medical problems or surgeries and the animal's response to all treatments (including any adverse reactions to medications) C. A complete dietary history (this is helpful should the animal develop a food allergy) D. Copies of test results (e.g., fecal examinations, radiograph reports, heartworm and other blood tests, biopsies or other diagnostic tests as well as legal documents such as insurance policies) E. All of the above
A compressor can be removed from an air conditioning system without removing all the refrigerant from the system if ________ are used.
A. Schrader valves B. R-134a style refrigerant valves C. Stem type service valves D. Manifold service valves