Compressor burnout - Study guides, Class notes & Summaries
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EPA 608 Universal Exam With 100% Correct Answers 2023
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Refrigeration technicians who violate the Clean Air Act can: - - Correct answer-Lose 
their EPA certification, be fined, be required to appear in Federal court. 
After 1995, any supplies of CFC refrigerants to service existing units in the USA can 
only come from: - - Correct answer-recovery and recycling. 
Refrigerant that is recovered can be returned to: - - Correct answer-the same system or 
other systems owned by the same person without restriction. 
Refrigerant can not be called "reclaimed...
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Seattle ROL All Possible Questions and Answers with complete solution
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According to the SMC group, #2 refrigerants are - Toxic, flammable, explosive under certain 
conditions, and includes ammonia and SO. 
A hermetic system is a totally enclosed refrigeration system when the - Motor and compressor are 
sealed within the same system with the refrigerant. 
A heat pump has what type of valve that redirects refrigerant flows from heating to cooling? - A 
four way reversing valve 
A capillary tube system responds to an overcharge by - Head pressure. 
A capillary tube sy...
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EPA Section 608 Technician Certification Study Guide Questions And Answers
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EPA Section 608 Technician Certification Study Guide Questions And Answers` 
 
 
What are the typical uses of the center port of a gauge set? - Used during evacuation, charging and recovery procedures. 
 
What color are the gauges on a manifold gauge set? - Low pressure is blue, High pressure is red. 
 
What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric press...
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EPA 608 Exam Questions and Answers 2024
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What are the typical uses of the center port of gauge set? - Used during evacuation charging and recovery procedures. 
 
What color are the gauges on a manifold gauge set? - Low pressure is blue High pressure is red. 
 
What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric pressure. 
 
Is the refrigerant leaving a condenser at a high or low pressure? Is it a liq...
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Commercial Refrigeration FINAL TEST Questions & Answers(RATED A)
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How is the cooling effect in a mechanical refrigeration system produced? - ANSWER Evaporation of liquid refrigerant into vapor 
 
What is the primary purpose of a compressor? - ANSWER It circulates and pressurizes the refrigerant vapor before the vapor Is condensed for re use 
 
Name another function that must be performed by the compressor - ANSWER Is raise the pressure and temperature of the refrigerant vapor. This allows the refrigerant to condense into a liquid as it circulates through the c...
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+)
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED A+) What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant 
What is difference b/w ternary blend a azeotropic blend? CORRECT ANSWERTernary blends are threepart mixtures whereas azeotropic blends are blends of two or more compounds that act like a single 
compound. 
What is the trait of a hygroscopic lubricant? CORRECT ANSWERIt absorbs (takes on) moisture 
What is temperature glide and...
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EPA Section 608 Technician Certification Study Guide Rated 100% Correct!!
- Exam (elaborations) • 27 pages • 2023
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What are the typical uses of the center port of gauge set? - Used during evacuation, charging and 
recovery procedures. 
What color are the gauges on a manifold gauge set? -Low pressure is blue, High pressure is red. 
What are the typical ranges of pressure measurements used on the gauges of a manifold gauge set? - 
High side is 0 to 500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below atmospheric 
pressure. 
Is the refrigerant leaving a condenser at a high or low pressure? Is it a liqui...
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EPA 608 Questions And Answers 100% Verified
- Exam (elaborations) • 43 pages • 2023
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EPA 608 Questions And Answers 
100% Verified 
What are the typical uses of the center port of gauge set? - 
ANSWER Used during evacuation charging and recovery 
procedures. 
What color are the gauges on a manifold gauge set? - ANSWER 
Low pressure is blue High pressure is red. 
What are the typical ranges of pressure measurements used on 
the gauges of a manifold gauge set? - ANSWER High side is 0 to 
500 PSIG; Low side is 0 to 350 PSIG and 0 to 30 in. Hg below 
atmospheric pressure. 
Is ...
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED)
- Exam (elaborations) • 13 pages • 2024
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Available in package deal
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- $13.49
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo because the 
new refrigerants are incompatible with the oils and lubricants used in R-12 systems. 
What type of oil is used in R-134a and what oils will it mix with? CORRECT ANSWEREster based oils and 
they do not mix with other oils 
What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant 
What is diffe...
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED)
- Exam (elaborations) • 13 pages • 2024
- Available in package deal
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- $15.49
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HVAC: EPA 608 Certification Exam Questions and Answers Latest Updated 2024/2025 (GRADED) Are there drop-in replacements for R-12 systems? Why or why not? CORRECT ANSWERNo because the 
new refrigerants are incompatible with the oils and lubricants used in R-12 systems. 
What type of oil is used in R-134a and what oils will it mix with? CORRECT ANSWEREster based oils and 
they do not mix with other oils 
What type of lubricant is used with HCFCs? CORRECT ANSWERAlkylbenzene lubricant 
What is diffe...
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