Hfcs - Study guides, Class notes & Summaries

EPA SECTION 608 TYPE I, TYPE II & TYPE III / EXAM QUESTIONS BANK NEWEST ACTUAL EXAM COMPLETE 190+ QUESTIONS AND CORRECT ANSWERS / 2025. What is typically used on small appliances as a service aperture or other device for adding or removing refrigerant? a. A straight piece of tubing that is entered using a piercing access tube. b. A line located 15 inchesbelow the compressor. c. A valve installed at thefactory which has a ¼ inch diameter and machine threads. d. A service aperture isnot prese...

1 - Absolute pressure is equal to standard sea-level plus: - Gauge pressure 1 - All of the following are types of scale except: - Silicone Types of scale include: - Silicate - magnesium carbonate - Calcium Carbonate 1 - Complaints in the winter that it is too cold in a building can be offset by: - Raising the humidity and the temperature 1 - Copper tubing is standardized on the basis of use into standard - Wall thickness schedules 1 - Define absolute pressure - The total pressure that i...

After refrigerant liquid has been recovered from a system, any remaining vapor is: _______. a) purged to the atmosphere b) isolated in the system c) pumped into the system receiver d) condensed by the recovery system (Ans- d) condensed by the recovery system Heat pumps that have been retrofitted from R-22 to R-407C should be leak checked with: ________. a) HFCs b) HCFCs c) pressurized nitrogen d) compressed air (Ans- c) pressurized nitrogenWhen inspecting a system for leaks, you sho...

when should piercing type valves be used and what is a common problem of these valves? (Ans- Fitting tend to leak over time and should not be left on appliances. when was it established that it was a violation to vent CFCs or HCFCs? (Ans- July 1st, 1992. when was it required for recovery/recycling equipment to be certified and labeled by the EPA? (Ans- November 15th, 1993. when was it established that you needed a certification to service, maintain, or dispose of appliances with refrig...

EPA SECTION 608 EXAM (4 VERSIONS) WITH 500 ACTUAL EXAM QUESTIONS AND 100% CORRECT ANSWERS / EPA 608 TECHNICIAN CERTIFICATION REAL EXAM ANSWERS (BRAND NEW!!) Epa Section 608 Type 1 What type of certification is required for persons recovering CFC's, HCFCs, or HFCs during maintenance, service, or repair of small appliances. a. Type II technician. b. Type III technician. c. Type I technician. d. Technician who has passed the core exam. - ANSWER-C EPA Section 608 rules require capture...

R-12 is a _______________ type of refrigerant CFC Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than ________________ 20 LBS According to ____________ service shops must certify to the EPA that they own approved recovery. CAA Skin or eye contact with fluorocarbon refrigerants can result in IRRITATION, FROSTBITE, DEATH T/F Refrigerant are lighter than air: FALSE Which of the following refrigerants has minimum or zero ozone depletion potential: ...

EPA ESCO Exam Questions and Answers 100% Pass Which of the following refrigerant has a GWP closest to "1"? - R-1233zd How much can a person be fined per day per violation for knowingly releasing a regulated substance that violates the Clean Air Act? - $44,539 Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? - HFOs To process refrigerant to a level equal to new (virgin) product specifications as determined by chemical analysis defines; ...

UNH NUTR 400 EXAM 2 Questions And Answers With Verified Quiz Simple carbohydrates include monosaccharides and _________. ANS Disaccharides The most abundant monosaccharides found in food include glucose, ___________, and ___________. ANS Fructose, Galactose What is the primary function of glucose? ANS To provide a source of energy to cells what foods represent the most significant sources of fructose in the typical U.S. diet? ANS Foods and Beverages sweetened with HFCS Disacchar...

ESCO EPA 608 CORE EXAM QUESTIONS AND ANSWERS 100% PASS An ozone molecule contains - 3 oxygen atoms Which international agreement (Treaty) regulated the production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride? - Montreal Protocol Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? - HFOs Which of the following refrigerant has a GWP closest to "1"? - R-1233zd or CO2 The condenser ______________________________...

ODP Test Questions and Answers with Verified Solutions What role does the ozone layer play in protecting life on Earth? A) It provides fresh air B) It acts as a shield against harmful UV radiation C) It regulates temperature D) It helps with plant growth What is the main purpose of the Montreal Protocol? A) To phase out substances that deplete the ozone layer B) To increase fossil fuel use C) To promote chemical manufacturing D) To enhance air quality Which of the following s...