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Two technicians are discussing retrofitting CFC-12 systems to HFC-134a standards. Technician A says that the process doesn't take long but that mineral oil must be added before the retrofit is complete. Technician B says that 50 ounces of CFC-12 should be replaced with 50 ounces of HFC-134a. Who is correct?

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Answer:

tech b

Explanation:

Technician B says correct. Retrofitting that 50 ounces of CFC-12 should be replaced with 50 ounces of HFC-134a.

What does mean by retrofitting?

  • To furnish (something, such as a computer, airplane, or building) with new or modified parts or equipment not available or considered necessary at the time of manufacture
  • to install (new or modified parts or equipment) in something previously manufactured or constructed

What is the purpose of retrofitting?

Retrofitting is making changes to an existing building to protect it from flooding or other hazards such as high winds and earthquakes.

With retrofitting, your existing inefficient equipment gets an upgrade to improve the energy performance of your facilities. The goal is to improve the overall performance of your commercial building and decrease energy demand.

To learn more about Retrofitting, refer

https://brainly.com/question/1336913

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