A 1 answer refrigerants - Study guides, Class notes & Summaries

EPA 608 Exam Practice Questions 1-100EPA 608 Exam Practice Questions 1-100 Ozone depletion is caused by _______ in HFC refrigerants. - Answer chlorine CFCs and HCFCs ________ making them capable capable of reaching the stratospheric ozone layer. - Answer do not dissolve in water or easily break down in the atmosphere According to the Rolanda-Molina theory, ________ are destroyed by each chlorine atom in the stratosphere. - Answer 100,000 ozone molecules The stratospheric ozone layer prote...

EPA 608 CORE TEST EXAM 2024 WITH 100% CORRECT ANSWERS 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 - correct answer 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 la...

As of what date did it become unlawful to release Class 1 and Class II refrigerants to the atmosphere?Answer - July 1, 1992. What is the ozone layer and why is it important to us on Earth?Answer - 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?Answer - Chlorine. What is an ozone molecule made of?Answ...

Which Refrigerants contain the most chlorine? - correct answer CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - correct answer July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - correct answer HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - correct answer Chlorine Stratospheric ozone consists of: - correct answer Three oxy...

Which Refrigerants contain the most chlorine? - correct answer CFC's As of what date did it become unlawful to intentionally release Class 1 and Class 2 refrigerants to the atmosphere? - correct answer July 1, 1992 Which Refrigerants have the lowest zone depletion potential? - correct answer HFC's The molecule found in CFC's and HCHC's refrigerants that destroys the ozone in the stratosphere is: - correct answer Chlorine Stratospheric ozone consists of: - correct answer Thre...

NATE FINAL EXAM 1 2024/LATEST UPDATE EXAM WITH 100% CORRECT ANSWERS /100% PASS GUARANTEE ASHRAE Standard 34 deals with: A: Carbon monoxide safety levels B: Refrigerant quality C: Equipment room ventilation and alarms D: Refrigerant toxicity and flammability - Correct Answer-D: Refrigerant toxicity and flammability Rationale: ANSI/ASHRAE 34 published in 2001 and entitled "Designation and Safety Classification of Refrigerants". • Class A signifies refrigerants for wh...

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 ...

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 - answer-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 lay...

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 - ANSWER 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 ...

What must be located outside a Class T machinery room? Select one: a. Spare flashlights b. Disposable coveralls c. Machinery shut off switch d. Light switches - Answer-c Degradation of heat transfer fluid of a hot oil system will begin to occur if: Select one: a. The oil filter is not serviced regularly b. The oil temperature is above a specified range, for an extended period of time c. The oil is allowed to churn in the circulating pump d. The oil becomes too viscous - Answer-b Dry ...