EPA Certification Exam Prep (2023\/ 2024 Update) Practice Questions and Verified Answers| 100% Correct| Grade A<\/p>\n\n\n\n
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.<\/p>\n\n\n\n
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:<\/p>\n\n\n\n
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:<\/p>\n\n\n\n
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.
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