Hvac ii Samenvattingen, Aantekeningen en Examens

Asbestos Contractor/Supervisor Training Questions & Correct Solutions Chrysotile - ANSWER The only asbestos mineral found in the serpentine group and the most common in the USA at 90-95%. "White Asbestos" Amosite - ANSWER Second most likely found asbestos. "Brown Asbestos" 5-10% Crocidolite - ANSWER "Blue Asbestos" 1-5% Actinolite - ANSWER Can be in vermiculite (often associated with Tremolite) no current production. Tremolite - ANSWER Can be in Vermiculite. Some current produ...

CSST Exam Study Prep (Review in progress... again. 12/3/18) Questions meant to assist in studying for the California OSHA Division of Occupational Safety Health certified site surveillance technician (CSST) Exam 2024 Why was asbestos added to construction materials ? -Answer-It was a great insulator and binder. It added strength and durability against weathering and use. It was non-corrosive, did not conduct electricity, and made spray-on products easier to apply. What are the two classes ...

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 W...

HVAC II Final Exam Review| 50 Questions |CorrIF a heat pump works normally in the heating mode but will not provide cooling or a defrost mode, which component is most likely defective? - ANSWER Reversing valve Air-to-air heat pumps produce heat by - ANSWER extracting heat from the outdoor air and transferring it to the indoor air In addition to the reversing valve, the other major difference between a heat pump and a cooling only system is - ANSWER heat pumps require two metering devices ...

HVAC II Final Exam Review| 50 Questions | Accurate Answers. IF a heat pump works normally in the heating mode but will not provide cooling or a defrost mode, which component is most likely defective? - ANSWER Reversing valve Air-to-air heat pumps produce heat by - ANSWER extracting heat from the outdoor air and transferring it to the indoor air In addition to the reversing valve, the other major difference between a heat pump and a cooling only system is - ANSWER heat pumps require two ...

IF a heat pump works normally in the heating mode but will not provide cooling or a defrost mode, which component is most likely defective? - ANSWER Reversing valve Air-to-air heat pumps produce heat by - ANSWER extracting heat from the outdoor air and transferring it to the indoor air In addition to the reversing valve, the other major difference between a heat pump and a cooling only system is - ANSWER heat pumps require two metering devices In the cooling mode, the reversing valve is...

HVAC II Final Exam Review| 50 Questions | Correct Answers IF a heat pump works normally in the heating mode but will not provide cooling or a defrost mode, which component is most likely defective? - ANSWER Reversing valve Air-to-air heat pumps produce heat by - ANSWER extracting heat from the outdoor air and transferring it to the indoor air In addition to the reversing valve, the other major difference between a heat pump and a cooling only system is - ANSWER heat pumps require two ...

EPA 608 CERTIFICATION EXAM 2023/2024 NEW UPDATE!! (200+ QUESTIONS AND VERIFIED ANSWERS) 100% CORRECT ANSWERS 1. A recovery cylinder must not be filled more than ___ % of it's capacity by weight? ~ Answer: 80% 2. How should refrigerant cylinders be shipped? ~ Answer: Up-right with proper DOT classification tags. 3. What oil MUST be used with ALL HFC's for HVAC/Refrigeration but will also work with CFC's and HCFC's. ~ Answer: Polyolester 4. HCFC's have v...

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 ...