EPA Certification Exam (2023\/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A<\/p>\n\n\n\n
EPA Certification Exam (2023\/ 2024 Update) Answer: Q: What is the color code of refrigerant gauges? Answer:
Practice Questions and Verified Answers|
100% Correct| Grade A
Q: What is known as de minimis releases?
Answer:
It is a minimum amount of refrigerant that can be released to the atmosphere when servicing
equipment.
Q: What does the term temperature glide refer to?
Answer:
the different refrigerant boiling and condensing points of a blended refrigerant
Q: Service technicians who violate the Clean Air Act
Answer:
may be fined and may lose certification.
Q: How much of a fine can be issued for venting refrigerants?
Answer:
$27,500
Q: An award of _<\/strong> is given to the person who supplies information about the venting of
refrigerants.<\/p>\n\n\n\n
$10,000
Q: What is fractionation
Answer:
the separation of blended refrigerants caused by different refrigerant vapor pressures
Q: What is the pressure range of the high-side gauge that is located on a manifold set?
Answer:
0 psig to 500 psig
Q: Which mixture is legal to add into a system for the purpose of leak testing?
Answer:
a trace amount of R-22 and nitrogen
Q: Hygroscopic oil is oil that
Answer:
has a high attraction to moisture.
Q: What is the state of the refrigerant leaving the condenser?
Answer:
high-pressure liquid<\/p>\n\n\n\n
Answer:
low side is blue, high side is red
Q: Which is considered recycling?
Answer:
removing, filtering, and reusing refrigerant in a system
Q: Refrigerant cylinders should be
Answer:
free of rust as well as non-dented and undamaged.
Q: Which leak detector will help locate the general area of a system’s leak?
Answer:
electronic\/ultrasonic
Q: What makes it impossible to reclaim a refrigerant?
Answer:
having two different refrigerants in one container
Q: Factors that affect the speed of evacuation are<\/p>\n\n\n\n
the size of equipment, the ambient temperature, and the amount of moisture in the system.
Q: To prevent an explosion, never fill a refrigerant cylinder more than
Answer:
80% full
Q: Refrigerant can cause suffocation because
Answer:
it is heavier than air and it displaces oxygen
Q: The Montreal Protocol is
Answer:
a treaty regulating the production of CFCs.
Q: Which refrigerant is an HCFC?
Answer:
R-22
Q: Which refrigerant is an HFC?
Answer:
R-134A
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