Ozone contains three - Samenvattingen en Aantekeningen

Milady Esthetics Comprehensive Test questions and answers latest top score. The condition vitilgo is __________ by exposure to sunlight. - correct ned What are chelating agents used for? - correct preserve cosmetics How does vitamin A help the skin? - correct stimulates new cell production What is the primary function of the lymphatic system? - correct ct the body from disease As an esthetician, you would most likely use hard wax to wax a client's __________. ...

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 - ANS 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 la...

A vacum pump should be connected - Accurate Answersas far away from the pump as possible A high capacity vacuum pump and short, large diameter hoses will - Accurate Answersdramatically reduce emissions, pressure drop, and evacuation/dehydration time Ozone contains three - Accurate Answersoxygen atoms One chlorine atom can destroy - Accurate Answers100,000 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - Accurate Answ...

EPA 608 Core Test Sample Questions | 100% Correct Answers | Verified | Latest 2024 Version 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...

Reusable refrigerant containers under high-pressure must be hydrostatically tested how often? - correct answer 5 years How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - correct answer $44,539 HCFCs contain - correct answer Hydrogen, Chlorine, Fluorine, and Carbon Which of the following refrigerants is an HFO? - correct answer R-1234ze An ozone molecule contains; - correct answer Three oxygen atoms ...

a vacuum 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 ozone molecules CFC's do not dissolve in water and do not breakdown into other compounds that dissolve in water - CFC's cannot be washed out of the lower atmosphere ODP - ozone depletion potential...

EPA SECTION 608 CORE (2021-2022 revision) A disposable cylinder should be reduced to what pressure before scrapping? a. 0 psig b. 20 psig c. 50 psig d. 80 psig A major system repair is being performed on a R-22 appliance. What CANNOT be done to recharge the appliance? a. Add R-22 after the repair is complete. b. Retrofit the unit to R-407C. c. Use recovered or recycled R-22 from the same owner. d. Top off the unit with R-410a. A refillable cylinder must not be filled above what ...

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 ...

EPA Certification Exam Question And Answers (latest 2024) Which Refrigerants contain the most chlorine? - -CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - -July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - -HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - -Chlorine Stratospheric ozone consists of: - -Three oxygen atoms Strat...

EPA 608 STUDY MATERIAL INCLUDING (CORE, TYPE 1, 2 AND 3) EXAM 2024 a vacum pump should be connected - correct answer as far away from the pump as possible a high capacity vacuum pump and short, large diameter hoses will - correct answer dramatically reduce emissions, pressure drop, and evacuation/dehydration time ozone contains three - correct answer oxygen atoms one chlorine atom can destroy - correct answer 100,000 ozone molecules CFC's do not dissolve in water and do not bre...