EPA Certification Exam
Questions with Correct
Verified Solutions 100%
Guaranteed Pass
1. An ----- should be taken and ----- if a system has a major component
failure. - ANS ✅oil sample
analysed
2. (evacuation) The system vacuum gauge should be connected -----
from the vacuum pump. - ANS ✅far as possible
3. To receive any certification, which section must be passed? - ANS
✅Section A (core)
4. Always review the -----, when working with any solvents, chemicals,
or refrigerants - ANS ✅material safety data sheets
5. Cylinders should be transported in an ----- position - ANS ✅upright
6. What MUST be placed on a refrigerant cylinder being returned for
reclaiming. - ANS ✅A refrigerant label.
7. Use of a receiver and accumulator depends on - ANS ✅system design
and/or on the type of metering device used.
EPA Certification
, 2
EPA Certification
8. What regulation (and what start date) requires all persons be
certified in proper refrigerant handling techniques? - ANS ✅Section
608 of the Federal Clean Act as of November 14, 1994.
9. What happens when CFC or HCFC molecules get in the stratosphere
& free atoms of Chlorine are set free? - ANS ✅These atoms attack
Ozone Molecules causing the formation of Chlorine Monoxide (CLO),
after colliding with another Ozone Molecule, causes 2 Oxygen (O2)
molecules to be made & leaving an atom of chlorine to act as "Free
Agent" starting the process over until 100,000 molecules of Ozone are
destroyed by just one atom of chloride.
10.This is a closed book exam. What items may be brought with you to
take the test? - ANS ✅A temperature/pressure chart and a calculator
11.To recycle is to... - ANS ✅clean refrigerant for reuse by separating the
oil from the refrigerant and removing any moisture by passing it through
one or more filter driers.
12.Should relief valves be installed in series? - ANS ✅Never
13.Recover only ---- type of refrigerant into a recovery cylinder. - ANS
✅one
14.What is one of the most important tools to the HVACR technician? -
ANS ✅The gauge manifold set
15.Long hoses will cause excessive -----, increased -----, and have a
potential for -----. - ANS ✅pressure drop
EPA Certification
, 3
EPA Certification
recovery time
increased emissions
16.What are the two basic types of recovery devices? - ANS ✅Self-
Contained and System-Dependent.
17.Section II of the test covers what topics? - ANS ✅topics pertaining to
high-pressure appliances
18.Why in large quantities, do refrigerants cause suffocation? - ANS
✅Because they are heavier than air and displace oxygen
19.What are 6 Type II appliances? - ANS ✅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
20.To justify the cost increases of service to a customer, simply explain
that ----- and required ---- to recover refrigerants in order to ----- and
-----. - ANS ✅you are bound
by law
protect the environment
human health
21.Once the general area of the leak is located the use of ----- will
pinpoint the leak. - ANS ✅soap bubbles
EPA Certification
, 4
EPA Certification
22.The most efficient method of leak checking a charged low-pressure
system is to use? - ANS ✅Controlled hot water or heater blankets.
23.It is important to remember that when leak testing an R-134A
system, use -----. - ANS ✅pressurized nitrogen.
24.Can Recycled refrigerant be resold? - ANS ✅It cannot be re-sold but
it can be re-used.
25.Universal technicians are certified to - ANS ✅maintain, service or
repair both low and high pressure equipment as well as small appliances
26.What are the 2 basic types of recovery devices? - ANS ✅System
dependent
Self contained
27.Violation. Falsify or fail to keep ----- - ANS ✅proper records
28.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. - ANS ✅service aperture
process stub
29.It is the responsibility of the ----- in the disposal chain to ensure that
----- has been removed from ---- before ----. - ANS ✅final person
‘refrigerant
appliances
scrapping
EPA Certification
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller DoctorKen. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.99. You're not tied to anything after your purchase.
