Hvac cfc Study guides, Class notes & Summaries

HVAC CFC TEST WITH CORRECT SOLUTIONS Absolute pressure Boiling Point Condensing point Chillers. Basic types of chillers. Chlorofluorocarbons (CFCs) Class I substances Hydrochlorofluorocarbons (HCFCs) Class II substances Hydrofluorocarbons (HFCS) Perfluorocarbons (PFCs). High pressure refrigerants Low pressure refrigerants Viscosity. Flash Point Fire Point. Pour Point Troposphere.

Absolute pressure - Answer- Atmospheric pressure + gauge pressure; PSIA= PSI+14.7 Boiling Point - Answer- The temperature at which a liquid changes to a gas Condensing point - Answer- The temperature at which a substance changes from a gas to a liquid. Chillers - Answer- Is a piece of refrigeration equipment that removes heat from water that circulates through a building for cooling purposes. Basic types of chillers - Answer- High pressure chillers, low pressure chillers and absorpti...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - Correct answer-November 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - Correct answer-Recover all refrigerants. The objective of the Clean Air Act is to protect what? - Correct answer-The earth's stratosphere. HFC's - Correct answer-HydroFlouroCarbon's CFC's - Correct answer-ChloroFluoroCarbon's ODP - Correct answer-Ozone Depletion Potential Which in...

R-12 is a _______________ type of refrigerant CFC Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than ________________ 20 LBS According to ____________ service shops must certify to the EPA that they own approved recovery. CAA Skin or eye contact with fluorocarbon refrigerants can result in IRRITATION, FROSTBITE, DEATH T/F Refrigerant are lighter than air: FALSE Which of the following refrigerants has minimum or zero ozone depletion potential: ...

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of ...

November 14, 1994 - What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - 1987- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of ...

HVAC Exam Questions with Correct Answers What is the difference between the Oxygen we breath and the ozone in the earths stratosphere - Answer-Ozone is a form of oxygen, with each molecule consisting of three atoms of oxygen O3 , The oxygen we breath contains two atoms, O2 Describe the difference between good and bad ozone - Answer-Good Ozone like the stratosphere protects the earth from harmful ultraviolet rays from the sun, Bad Ozone, Like the Troposphere is considered unwanted ozone beca...

EPA 608 Certification Exam with 100% Correct Answers 2024 November 14, 1994 - ANSWERS What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? Memorize it, ya'll. - ANSWERS 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, ...

Tech A says that the EPA regulates automotive air-conditioning systems. Tech B says that EPA tests air-conditioning systems every 5 years. Who is correct? A. Tech A B. Tech B C. Both A and B D. Neither A nor B correct answer: C. Both A and B Which of these heating/cooling systems was the first to be free of apparent harm to passengers? A. Passing air over coils of compressed ammonia B. Transferring heat to the cabin from the exhaust system C. Bringing a small gas lamp into the cabin f...