©BRIGHTSTARS EXAM SOLUTIONS
10/22/2024 19:29 PM
HVAC Final Exam, Unit 9 Questions And
Answers 100% Pass
When did it become illegal to "intentionally" vent HFC refrigerants to the atmosphere? Give the
month, day, and year. - answer✔November 15, 1995
How are near-azeotropic blends identified? - answer✔R-400 Series
Why is stratosphere ozone so important to our environment? - answer✔Protects us from the
harmful UV rays that the sun emits.
On what does type 111 EPA certification allow a service technician to work? -
answer✔Commercial and Chillers
On what does type 1 EPA certification allow a service technician to work? - answer✔Small
appliances (Residential)
When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere? Give the
month, day, and year. - answer✔July 1, 1992
Define "fractionation". - answer✔Occurs when the refrigerant is being changed from a liquid to a
vapor
On what does universal EPA certification allow a service technician to work? - answer✔On
everything. Small, medium, and large appliances
On what does a type 11 EPA certification allow a service technician to work? - answer✔High
pressure Systems
What is the difference between an azeotropic mixture and a near-azeotropic mixture? -
answer✔Azeotropic: Has one boiling point, does not have fractionation, and includes R-500 and
R-502 refrigerants.
10/22/2024 19:29 PM
HVAC Final Exam, Unit 9 Questions And
Answers 100% Pass
When did it become illegal to "intentionally" vent HFC refrigerants to the atmosphere? Give the
month, day, and year. - answer✔November 15, 1995
How are near-azeotropic blends identified? - answer✔R-400 Series
Why is stratosphere ozone so important to our environment? - answer✔Protects us from the
harmful UV rays that the sun emits.
On what does type 111 EPA certification allow a service technician to work? -
answer✔Commercial and Chillers
On what does type 1 EPA certification allow a service technician to work? - answer✔Small
appliances (Residential)
When did it become illegal to "intentionally" vent CFC refrigerants to the atmosphere? Give the
month, day, and year. - answer✔July 1, 1992
Define "fractionation". - answer✔Occurs when the refrigerant is being changed from a liquid to a
vapor
On what does universal EPA certification allow a service technician to work? - answer✔On
everything. Small, medium, and large appliances
On what does a type 11 EPA certification allow a service technician to work? - answer✔High
pressure Systems
What is the difference between an azeotropic mixture and a near-azeotropic mixture? -
answer✔Azeotropic: Has one boiling point, does not have fractionation, and includes R-500 and
R-502 refrigerants.
