EPA 608

Liberty University

Here are the best resources to pass EPA 608. Find EPA 608 study guides, notes, assignments, and much more.

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Exam (elaborations)

SKILLCAT EPA 608 ACTUAL EXAM / 250 + QUESTIONS AND CORRECT ANSWERS 2025/2026 GRADED A+ .
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February 2025

2024/2025

A+
As technicians we must stay up to date on CORRECT ANSWER Federal state and local law 2. For universal certification you will receive how many questions CORRECT ANSWER 100 3. What is passing grade for all epa certifications CORRECT ANSWER 70% 4. True or false you must memorize all regulations because they will stay the same forever CORRECT ANSWER False 5. Can chlorine from the environment come from natural resources such as volcanoes CORRECT ANSWER Yes but they are not the primary source 6...
lectdenis
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Exam (elaborations)

HVAC: EPA 608 Certification Study Guide questions with correct answers
Available in bundle

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14

May 2023

2022/2023

A+
Available in bundle
Are there drop-in replacements for R-12 systems? Why or why not? ans No 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? ans Ester based oils and they do not mix with other oils What type of lubricant is used with HCFCs? ans Alkylbenzene lubricant What is difference b/w ternary blend a azeotropic blend? ans Ternary blends are three-part mixtures wher...
BillRanker
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Exam (elaborations)

EPA Type III questions with correct answers
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May 2023

2022/2023

A+
Available in bundle
What type of equipment can be worked on with Type III certification? ans low pressure The most efficient method of leak checking a charged low-pressure refrigeration unit is to ans pressurize the system by the use of controlled hot water or heater blankets When pressurizing a system, do not exceed ans 10 psig After reaching the required vacuum on an appliance when servicing, moisture is indicated by ans multiple rises in pressure over a period of time with increa...
BillRanker
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Exam (elaborations)

HVAC 2020 EPA 608 CORE Type 1,2,3 questions with correct answers
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May 2023

2022/2023

A+
Available in bundle
What does ozone in the stratosphere above the earth consist of? ans Molecules containing 3 oxygen atoms Which of the following refrigerants has the lowest global warming potential? ans R-600a Which of the following gases is used as the baseline measurement for global warming potential? ans Carbon Dioxide Which type of refrigerant typically has the lowest global warming potential? ans HFO's What is the state of the refrigerant entering the compressor of a refr...
BillRanker
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Exam (elaborations)

EPA 608 Practice exam type 1 questions with correct answers
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6

May 2023

2022/2023

A+
Available in bundle
The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is_______. ans Restricted to technicians who are EPA certified and refrigerant recovery A small Pliance is defined as a system that is ans 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. ans System dependent You must ha...
BillRanker
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Exam (elaborations)

EPA 608 Type 3 questions with correct answers
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17

May 2023

2022/2023

A+
Available in bundle
On low pressure chillers, moisture typically enters the refrigerant system through ans air leaks from areas with gaskets or fittings The maximum test pressure for leak testing a low pressure centrifugal is: ans 10 psig Leak test and repair the chiller to reduce refrigerant loss from a pruge unit on CFC-11 chiller ans ... A hydrostatic tube test kit is used to: ans determine if a tube leaks Commercial and industrial process refrigeration systems must be repaire...
BillRanker
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Exam (elaborations)

EPA 608 (CORE) Exam questions with correct answers
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4

May 2023

2022/2023

A+
Available in bundle
When moisture exists in an operating system, what is most likely to occur? ans Acid will form. What factor(s) affects the speed of evacuation? ans 1) The size of the equipment being evacuated. 2)The ambient temperature. 3) The amount of moisture in the system A system is considered dehydrated when? ans The vacuum indicator shows you have reached & held the required finished vacuum. The over-evacuation of a system: ans Does not occur. The size (capacity) ...
BillRanker
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Exam (elaborations)

EPA 608 (TYPE II) Exam questions with correct answers
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9

May 2023

2022/2023

A+
Available in bundle
When a new system has been assembled, the first thing to do is? ans Pressurize the system with an inert gas & leak check. After installation of a field-piped R-410A split heat pulp, the unit should first be? ans Pressurized with nitrogen then leak checked. The EPA regulations require that any appliances containing more than 50 pounds of refrigerant (except for commercial & industrial process refrigeration) must be repaired when the leak rate exceeds _________ of the charge per ...
BillRanker
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Exam (elaborations)

EPA Type 2 questions with correct answers
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4

May 2023

2022/2023

A+
Available in bundle
Heat pumps that have been retrofitted from R22 to R407C should be leak checked with: ans pressurized nitrogen When a new system has been assembled, the first thing to do is: ans pressurize the system with inert gas and leak check EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds______ of the charge per year. ans 35% Prior to replacing the condenser coil in a high pressure system, th...
BillRanker
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