| A | B |
|---|
| Ozone layer | 1. a layer in the stratosphere (at approximately 10-20 miles above sea level) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun |
| Chlorine | 2. the cause of the ozone depletion |
| Ozone | 3. A form of oxygen that has three oxygen atoms, instead of the usual two. |
| Chlorine | 4. EPA section 608 of the federal clean air act, it stops people from releasing what kind of pollution into the air? |
| HCFC | 5. Required to be phased out by the Montreal Protocol and depletes ozone. R-22, R-125 medium level ODP. |
| its the major components of refrigeration | 6. Why are replacement of evaporator coil, condenser coil, or compressor always considered a major repair? |
| 500 microns | 7. How do you know you have a leak free system when you pull a vacuum on the appliance? |
| replaced | 8. When corrosion build up is found within the body of a relief valve, the valve must be what? |
| Pressure regulator | 9. When pressurizing a system you should always use a what? |
| B. All refrigeration and air conditioners | 10. Type three technicians work on what kind of units |
| November 15, 1995 | 11. It has been illegal to knowingly vent CFC and HCFC refrigerants during servicing since this date |
| EPA | An independent federal agency established to coordinate programs aimed at reducing pollution and protecting the environment |
| Chlorine monoxide | 13. What chemical found in the upper stratosphere indicates that the ozone layer is being destroyed |
| ODP | 14. Measurement of CFC'S and HCFC's ability to destroy ozone. |
| Type III | 15. A person who maintains, service, and repair or dispose of high pressure or very high pressure appliances |
| Montreal protocol | 16. 1987 meeting in Montreal to develop the treaty to cut emissions of CFCs in the atmosphere |
| Universal | A person who maintains, service, and repair high and low pressure appliances |
| Type I | 18. a person who maintains, service and repair or dispose of low pressure appliances |
| November 15, 1995 | 19. it has been illegal to knowingly vent HFC's into atmosphere |
| Type I | 20. small appliances, a person who maintains, service, and repair small appliances |
