Free chlorine is an Study guides, Class notes & Summaries

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. - Answer 80% Ozone layer absorbs and scatters ________ from the sun - Answer Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. - Answer $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States - Answer Jan 1, 1996 R-134a is a chlorine...

EPA 608 Certification Exam with 100% Correct Answers 2024 What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - answerNovember 14, 1994 Section 608 of the Federal Clean Air Act requires technicians to what? - answerRecover all refrigerants. The objective of the Clean Air Act is to protect what? - answerThe earth's stratosphere. HFC's - answerHydroFlouroCarbon's CFC's - answerChloroFluoroCarbon's ODP - answerOzone Depletion Potential Whi...

CPO Practice EXAM QUESTIONS & ANSWERS 2024 ( A+ GRADED 100% VERIFIED)

A refillable refrigerant cylinder must not be filled above ______ of its full capacity. : 80% Ozone layer absorbs and scatters ________ from the sun : Ultraviolet light An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting. : $10,000 Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States : Jan 1, 1996 R-134a is a chlorine-free refrigerant : True 2...

TCEQ class c water license exam questions and answers 100% pass State Agency responsince for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source groundwater would be aquifer Fecal coliform organisms sometimes found in water supplies are an indication that Water supply is contaminated,...

What is the correct way to maintain monomer liquid and polymer powder nail enhancements? Correct Answer File the nail and apply a new layer of product According to TDLR, a licensed cosmetologist or manicurist is prohibited from removing calluses using which of the following? Correct Answer A credo blade According to TDLR, how can ultraviolet electrical sanitizers be used? Correct Answer As a dry storage container for clean implements According to TDLR, what agency bans or deems products...

to lower pH add: - Answer- muriatic acid carbon dioxide to increase pH add: - Answer- sodium carbonate sodium hydroxide sodium sesquicarbonate the acceptable pH range is: a) 6.8-7.0 b) 7.2-7.8 c) 7.0-7.4 d) none of the above - Answer- b) 7.2-7.8 the ideal pH range is: a) 7.4-7.6 b) 7.8-8.0 c) 6.8-7.4 - Answer- a) 7.4-7.6 free chlorine is a(n): a) oxidizer b) stabilizer c) active disinfectant - Answer- c) active disinfectant it is common practice to maintain free chlor...

EPA 609 Technician Certification Questions and Answers Already Passed 1. T/F Ozone at ground level ans at Stratosphere is a harmful pollutant FALSE 2. For determining the Ozone Depletion Potential __________ having been assigned a factor of 1 CFC-11 3. Ozone layer absorbs and scatters __________ form the sun Ultraviolet light 4. T/F R-134 is a chlorine-free refrigerant TRUE 5. a refillable refrigerant cylinder must not be filled above _________ of its full capacity 80% 6. T/F Ester-based sy...

EPA 608 CORE Exam Questions and Answers (2022/2023) (Verified Answers) Graded A+ What characteristic or characteristics of CFCs make them more likely than other chlorine compounds to reach the stratosphere? Dont disolve iin water Each chlorine atom in the stratosphere can destroy how many ozone molecules? 100,000 ozone molecules Which refrigerant contains a CFC? R500, R12, R113 or R11? Theyre all CFC's HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain? Hydrogen, chlorine, flouri...

AQA AS CHEMISTRY 7404/2 Paper 2 Organic and Physical Chemistry Question Paper + Mark scheme [MERGED] June 2022 *JUN* IB/M/Jun22/E7 7404/2 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 Section B TOTAL Time allowed: 1 hour 30 minutes Materials For this paper you must have: • the Periodic Table/Data Sheet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions...