Bundle for EPA 608 tests compilation everything you need to pass

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - Recover all refrigerants. The objective of the Clean Air Act is to protect what? - The earth's stra...

a vacum pump should be connected - as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - oxygen atoms one chlorine atom can destroy - 100,000 oz...

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 oils What ty...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere? - July 1, 1992. What is the ozone layer and why is it important to us on Earth? - Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extend...

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 that any applia...

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. Refrigerant that is r...