EPA 608 study material Package deal

The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. - ️️Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is - ️️Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds...

Are there drop-in replacements for R-12 systems? Why or why not? - ️️No because the new refrigerants are incompatible with the oils and lubricants used in R-12 systems. What type of oil is used in R-134a and what oils will it mix with? - ️️Ester based oils and they do not mix with other o...

What are the typical uses of the center port of gauge set? - ️️Used during evacuation, charging and recovery procedures. What color are the gauges on a manifold gauge set? - ️️Low pressure is blue, High pressure is red. What are the typical ranges of pressure measurements used on the g...

Refrigeration technicians who violate the Clean Air Act can: - - ️️Lose their EPA certification, be fined, be required to appear in Federal court. After 1995, any supplies of CFC refrigerants to service existing units in the USA can only come from: - - ️️recovery and recycling. Refrige...

On low pressure chillers, moisture typically enters the refrigerant system through - ️️air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: - ️️10 psig Leak test and repair the chiller to reduce refrigerant loss from a ...

When a new system has been assembled, the first thing to do is? - ️️Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? - ️️Pressurized with nitrogen then leak checked. The EPA regulations require t...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? a. July 1, 1992 b. July 1, 1993 c. November 14, 1994 d. January 1, 1996 - ️️a. July 1, 1992 What is the ozone layer and why is it important to us on Earth? a. Thin layer of R-22 in the...