EPA Certification Exam (2023/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A

EPA Certification Exam (2023/ 2024 Update)

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 _____ is given to the person who supplies information about the venting of

refrigerants.

Answer:

$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

Q: What is the color code of refrigerant gauges?

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

Answer:

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