Shadow251

When a round flue is used for the lining of a fireplace chimney the proper fireplace opening to flue size ratio should be - 12:1 When unlined the smoke chamber walls shall be what thickness - 8" When the opening of the firebox is 6 square feet the extension of the hearth should be - 20 inches T or F the inner surfaces of the smoke chamber shall not be inclined more than 45 degrees from vertical - True A level 2 inspection inspection of accessible areas of attics basements and crawlspaces ...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 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, or 4 in Hg After this date recovery equipment needs to be capable of removing 90%, or 80% witho...

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 stratosphere. HFC's - HydroFlouroCarbon's CFC's - ChloroFluoroCarbon's ODP - Ozone Depletion Potential Which international treaty agreement was the basis for Section 608? - The Mon...

What does Section 608 of the Federal Clean Air Act state? - Requires anyone who handles refrigerants to be certified in proper refrigerant handling techniques. What is the ozone layer composed if? - 3 oxygen atoms bonded together Where is the ozone layer? - 10-30 miles above sea level, in the Stratosphere What is Type 1 Certification? - Deals with small appliances, such as mini fridges and cars.Persons who maintain, service, or repair small appliances must be certified as Type 1 technician...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 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, or 4 in Hg After this date recovery equipment needs to be capable of removing 90%, or 80% witho...

Type I - Small appliances- 5lbs or less Type II - Residental Units/ Light Commercial Type III - Industrial Universal - All types November 14th, 1994 - Section 608 of the federal clean air act requires all persons who maintain, service, repair or dispose of appliances that contain regulated refrigerants, be certified in proper refrigerant handling techniques as of Nov 14th, 1994 3 R's - Recover, Recycle, Reclaim Low Loss Fitting - Minimal amout of ref. to be released Low temp - Freezers Med...

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 ultraviolet. The atom found in CFC and HCFC refrigerants that destroys ozone in the atmosphere is? - Chlorine What is an ozone molecule made of? - Three oxygen atoms (O3) Which refrigerant is a CFC? - R-12 What is the name of the atom that attacks ozone mol...

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 ultraviolet (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? - Chlorine What is an ozone molecule made of? - Three oxygen atoms (O3). What t...

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 extends about 6 to 30 miles above earth The atom found in CFC and HCFC refrigerants that destroys ozone in the stratosphere is? - Chlorine What is an ozone molecule made of? - Three oxygen atoms (O3). Whi...

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 atmosphere that filters UV. b. Protective shield for Earth from the sun's harmful ultraviolent (UV) rays in the stratosphere layer that extends about 6 to 30 miles above earth c. Thin layer of CFC and HCFC in...