Refrigerant - Study guides, Class notes & Summaries

EPA 608 Type 2 Test Questions With Answers 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 ______ ___. - CORRECT ANSWER Type 2 After the installation of any type of system, the unit should be pressurized with _____ and _____ checked. - CORRECT ANSWER nitrogen leak Nitrogen is an ______ gas. - CORRECT ANSWER...

Sewage Treatment Worker Practice Test Questions and Answers 100% Correct Sewage Treatment Worker Practice Test Questions and Answers 100% Correct Sewage Treatment Worker Practice Test Questions and Answers 100% Correct Sewage Treatment Worker Practice Test Questions and Answers 100% CorrectThe scale on the drawing is 1/8"=1. What is the actual length of a line that measures 2" 1/4' on the drawing? - ANSWER-6 ft? 18 ft? Which of the following measure the specific gravity of the ele...

Refrigerant Machine Operator Certification Practice Test Latest Update Exam Questions and 100% Verified Correct Answers Guaranteed A+

Test Bank For Modern Refrigeration and Air Conditioning 21st Edition by Andrew D. Althouse, Carl H. Turnquist, Alfred F. Bracciano, Daniel C. Bracciano, Gloria M. Bracciano 8776, 1, 6044, 1 1 - Careers and Certification 2 - Safety 3 - Service Calls 4 - Energy and Matter 5 - Gases 6 - Basic Refrigeration Systems 7 - Tools and Supplies 8 - Working with Tubing and Piping 9 - Introduction to Refrigerants 10 - Equipment and Instruments for Refrigerant Handling and Servic...

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...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - CORRECT ANSWER November 14, 1994 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of rem...

fdny z51 rmo questions answered 2023 verified graded A+ already passed!the efficiency of the refrigerant cycle is affected by the operation of the condenser. Of the following, a more efficient centrifugal compressor operation results from lowering the condenser pressure In most semi hermetic compressors, the suction vapor is used for cools the motor The amount of refrigerant that flows through the orifices of an economizer is determined by the difference between the high side an...

What date was the sale of CFC's & HCFC's restricted to technicians certified in refrigerant recovery? - November 14, 1994 1989- Montreal Protocol July 1 1992- Violation to vent CFCs or HCFCs Nov 15 1993- Recovery/Recycling equipment must be certified and labeled by EPA AND Before this date recovery equipment needed to be capable of removing 80% of the refrigerant, w or wo compressor, or 4 in Hg After this date recovery equipment needs to be capable of removing 90%, or 80% witho...

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...

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. ...