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Oregon Cosmetology State Laws and Rules Exam Questions and Answers (Verified by Expert) Define Adequate Ventilation:: "Adequate ventilation" means ventilation by natural or mechanical methods which removes or exhausts fumes, vapors, or dust to prevent hazardous conditions from occurring in accordance with OAR 437, Division 2, or to allow the free flow of air in a room in proportion to the size and capacity of the room 2. Define Affadavit of Licensure:: "Affidavit of Licensure" means a...

EPA 608 Type 2 Exam With 100% Correct Answers Latest 2024/2025. Technicians maintaining, servicing, repairing or disposing of high pressure or very high-pressure appliances, except small appliances and MVAC, must be certified either as a Universal Technician or a ______ ___. Type 2 After the installation of any type of system, the unit should be pressurized with _____ and _____ checked. nitrogen leak Nitrogen is an ______ gas. inert In order to determine the general area of a leak, tech...

EPA 608 Exam Test Questions With Revised Correct Answers BEST UPDATED COMBINED SET!! The molecule found in CFCs and HCFCs that depletes ozone is - ANSWER Chlorine A single chlorine atom can destroy how many ozone molecules - ANSWER 100,000 Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants - ANSWER HFOs Reusable refrigerant containers under high-pressure must be hydrostatically tested how often - ANSWER 5 years ...

Oregon Cosmetology law Exam Questions and Answers Latest (100% Verified) . Chemical waste must be disposed of in ANS A covered fired retardant container 2. The EPA check products to make sure disinfectants are ANS Safe for people to use 3. An item used for a beauty service is an ANS Aricle 4. An establishment in which practitioners preform acts of hair, nails, or facialsis a ANS Facility 5. How many days notice must you give the board before "closing the business" ANS 30 Days 6. Wh...

Oregon Cosmetology law Exam Questions and Answers Latest (100% Verified) Chemical waste must be disposed of in ANS A covered fired retardant container 2. The EPA check products to make sure disinfectants are ANS Safe for people to use 3. An item used for a beauty service is an ANS Aricle 4. An establishment in which practitioners preform acts of hair, nails, or facialsis a ANS Facility 5. How many days notice must you give the board before "closing the business" ANS 30 Days 6. When ...

EPA Certification Exam Prep (2023/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A Q: What are 6 Type II appliances? Answer: 1.Walk-in coolers 2.Walk-in freezers 3.Reach-in refrigerators 4.Reach-in freezers 5.Residential & Commercial comfort cooling systems 6.Ice machines Q: To justify the cost increases of service to a customer, simply explain that ----- and required ---- to recover refrigerants in order to ----- and -----. Answer: you are b...

EPA 608 Type 3 exam with 100% Complete Solutions (Latest 2024/2025)The maximum test pressure for leak testing a low pressure centrifugal is: 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ... A hydrostatic tube test kit is used to: determine if a tube leaks Commercial and industrial process refrigeration systems must be repaired when the leak rate exceeds ____ of the charge per year. 35% Refrigerant recovery typically start with ...

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...

Test Bank for Modern Dental Assisting, 13th Edition, Doni Bird, Debbie Robinson Acute chemical toxicity results from high levels of exposure over a short period. The victim feels the effects immediately and may show symptoms of dizziness, fainting, headache, nausea, or vomiting. A chronic chemical toxicity involves repeated exposures over a long period. Chemical resistance refers to a material that prevents the hazardous chemical from being in contact w...

Radon Exam Questions and Answers Already Graded A According to the US EPA Citizens Guide to Radon, radon levels in most homes, can be reduced to: 2 pCi/L or less Homeowners should be advised to have their mitigation contractors stipulate that they will follow: Radon Mitigation Standards such as the US EPA, AARST, ASTM, or as recognized by their state radon office Prolonged exposure to radon is considered dangerous because radon can cause: lung cancer The most common radon mitig...