Gwp Guides d'étude, Notes de cours & Résumés

Low GWP Refrigerant Practice Exam With Verified And Updated Questions And Answers. The minimum concentration of a refrigerant that can propagate a flame through a consistent mixture of the refrigerant and air is known as the: Acute toxicity exposure limit (ATELL). Immediately dangerous to life or health concentration (IDLH). Lower flmmability limit (LFL). Upper explosive limit (UEL). - answerLower flmmability limit (LFL). The first stage of the evacuation process which removes non-conde...

Low GWP Refrigerant Practice Questions with Verified Answers After installation, the refrigerant piping for an A2L system must be: cleaned with an alcohol-based solution to remove grease and oil. pressurized with dry nitrogen to perform a leak test. pressurized with a non-flammable refrigerant (A1) to perform a leak test. vibration tested using whichever method is approved by the local code authority. pressurized with dry nitrogen to perform a leak test. After reaching the re...

SAE 609 Questions and Answers 100% Pass The recovery process on an R-12 or R-134a A/C System should continue until a stable vacuum is held by the system for: 2 minutes A recycled refrigerant container has been checked and found to be above the given pressure limit for the ambient temperature Technician A says that the refrigerant container should be placed in a cooler storage area before use Technician B says that the vapor in the container should be slowly vented into a refrigerant handling...

answers If the mechanic's gauges rise from a vacuum to pressure, what is required? - Answer Additional recovery What is the only way to fully clear moisture from the A/C system? - Answer Replacing the desiccant Pressure ______ the boiling point - Answer Raises Vacuum _______ the boiling point - Answer Lowers What should you do when replacing hoses? - Answer Make sure you have the correct type/size of tubing What does GWP stand for? - Answer Global Warming Potential ...

The minimum concentration of a refrigerant that can propagate a flame through a consistent mixture of the refrigerant and air is known as the: Acute toxicity exposure limit (ATELL). Immediately dangerous to life or health concentration (IDLH). Lower flmmability limit (LFL). Upper explosive limit (UEL). - ANSWERLower flmmability limit (LFL). The first stage of the evacuation process which removes non-condensables from a system is called: degassing. dehydration. recovery. ...

EPA 608 Practice exam type 1 solved correctly The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is Manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or less A __________ recovery device can be use for type 1 small appliance applications or type 2 applications if the total charge is below 15 pounds. System dependent Y...

5% - ANSWER If converting from mineral oil to POE oil, what is considered to be the industry standard for residual mineral oil content? Refractometer Oil conversion test kit - ANSWER When converting to POE from mineral oil, what can be used to determine residual mineral oil content? Global warming potential (GWP) - ANSWER Some refrigerants are now being phased out due to their HCFC - ANSWER Which currently used refrigerant category is quickly disappearing due to its ozone depletion p...

What is the Ozone Layer? What is the difference between ozone in the stratosphere and on the ground level? Ozone in the stratosphere between 7 and 28 miles above earth. On the ground level ozone is a harmful pollutant, in the stratosphere it is a protective shield. What is ODP? Ozone Depletion Potential It is the ability of a substance to destroy ozone in the stratosphere What is GWP? Global Warming Potential. The GWP of a refrigerant is its global warming impact rel...

HSC Economics Exam Questions With Answers Define globalisation The breaking down of geographical & artificial barriers over a period of time (between countries & economies) Explain/ Example: The reduction in protectionist policies e.g. tariffs, quotas and subsidies demonstrates an increased trade between nations Define, explain and give an example for the global economy Definition: consists of all production, trade & financial flows, investments, technology and economic behaviour betwee...

EPA: CORE 185 QUESTION PRACTICE Guide 2023/2024.Which ASHRAE classification means slightly flammable? a.) A1 b.) A2L c.) A3 d.) B1 - ANSWER b.) A2L What is the Significant New Alternatives Policy (SNAP) Program? a.) EPA's program that identifies refrigerants with lower overall risks to human health and the environment. b.) Covers only CFC and HCFC refrigerants used in residential air conditioning. c.) Relates to CFC and HCFC refrigerants used in commercial air conditioning. ...