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

EPA Certification Exam Prep (2023/ 2024

Update) Practice Questions and Verified

Answers| 100% Correct| Grade A

Q: What are 6 Type II appliances?

Answer:

1.Walk-in coolers

2.Walk-in freezers

3.Reach-in refrigerators

4.Reach-in freezers

5.Residential & Commercial comfort cooling systems

6.Ice machines

Q: To justify the cost increases of service to a customer, simply explain that ----- and required -

--- to recover refrigerants in order to ----- and -----.

Answer:

you are bound

by law

protect the environment

human health

Q: Once the general area of the leak is located the use of ----- will pinpoint the leak.

Answer:

soap bubbles

Q: The most efficient method of leak checking a charged low-pressure system is to use?

Answer:

Controlled hot water or heater blankets.

Q: It is important to remember that when leak testing an R-134A system, use -----.

Answer:

pressurized nitrogen.

Q: Can Recycled refrigerant be resold?

Answer:

It cannot be re-sold but it can be re-used.

Q: Universal technicians are certified to

Answer:

maintain, service or repair both low and high pressure equipment as well as small appliances

Q: What are the 2 basic types of recovery devices?

Answer:

System dependent

Self contained

Q: Violation. Falsify or fail to keep -----

Answer:

proper records

Q: EPA regulations require a ----- or ----- on all appliances that use a Class I or II refrigerant in

order to make it easier to recover refrigerant.

Answer:

service aperture

process stub

Q: It is the responsibility of the ----- in the disposal chain to ensure that ----- has been removed

from ---- before ----.

Answer:

final person'refrigerant

appliances

scrapping

Q: CFC's will not dissolve in

Answer:

Water or breakdown, no rain out

Q: What are the three "R's"?

Answer:

Recover, Recycle, and Reclaim.

Q: There is no drop-in substitute for -----, but ----- can be used in most of these systems if

proper ----- are followed.

Answer:

CFC R-12

R-134A

retrofil procedures

Q: What is an Azeotrope?

Answer:

A mixture of two or more liquids in such a ratio that it's composition cannot be changed by

vaporizing it.

Q: Disposable cylinders are used only with ----- and may never be used for -----.

Answer:

virgin refrigerant

recovery

Q: Which agency regulates section 608 of the Federal Clean Air Act?

Answer:

The United States Environmental Protection Agency (EPA)

Q: When handling and filling refrigerant cylinders, or operating recovery or recycling

equipment, you should (3) -----

Answer:

wear safety glasses, protective gloves, and follow all equipment manufacturers safety

precautions.

Q: A system that uses a capillary tube or fixed bore metering device is usually equipped with an

Answer:

accumulator, which would be located in the suction line directly following the evaporator

Q: In relation to the three "R's" what is Reclaim?

Answer:

To process refrigerant to a level equal to new (virgin) product specifications as determined by

chemical analysis.