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EPA 608 CORE EXAM
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Exam study book EPA 608 Study Guide of Hvac Training 101 - ISBN: 9781699764213 (EPA 608 CORE EXAM)
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EPA 608 CORE EXAM ACTUAL EXAMRefrigeration technicians who violate the clean air act can:
A. lose their epa certification
B. be fined.
C. be required to appear in federal court
D. all of the above - ANSWER: all of the above
It has been illegal to vent substitutes for CFC and HCFC refrigerants since: - ANSWER:
november 1995
which refrigerant has the lowest odp?
R22, R11, R12, R113 - ANSWER: R22
to remove refrigerant in any condition from a system and store it in an external
container without necessarily testing or processing it in any way is to ________. -
ANSWER: recover
Does the EPA recognize any refrigerant "drop-in" replacements? - ANSWER: no
Do low ambient temperatures slow or speed up the process of refrigerant recovery?
- ANSWER: slow
Chemical composition of R-124 - ANSWER: hcfc
The term used to describe the fact that a refrigerant blend has a range of boiling or
condensing points at a constant pressure is ________ _________. - ANSWER:
temperature glide
What is the best proof that there are CFCs in the atmosphere?
Is it the measurement of:
A. CFCs in smog
B. other man-made compounds in air samples from the stratosphere?
C. CFCs in air samples from the atmosphere - ANSWER: CFCs in air samples from the
atmosphere
According to the EPA, which of the following do NOT contribute to global warming?
CFC, HCFC, HFC? - ANSWER: all contribute
Even though R-22 is considered non-toxic, it:
A. is lighter than air
B. can cause asphyxia
C. is a class 1 refrigerant
D. can be detected by its color - ANSWER: can cause asphyxia
, CFCs will no longer be manufactured or imported into the U.S. after what year? -
ANSWER: 1995
A system is dehydrated to remove water and _____ ______. - ANSWER: water vapor
Which of the following refrigerants contains a CFC: R500, R410A, R134A, OR R123? -
ANSWER: R500
The EPA's definition of a, type 1, small appliance, is a device that contains a factory
charge of _____ lbs or less and is hermetically sealed at the factory. - ANSWER: 5
The EPA regulation requires any person who opens an appliance for maintenance to
have at least one self-contained recovery machine available. The only exception:
_____ _____ - ANSWER: small appliances
At high temperatures, R-12 and R-22 can decompose to form: ______ _______. -
ANSWER: Phosgene gas
The EPA recommends, for safety, goggles when working with compressed gas, and
_________ when working with refrigerant. - ANSWER: respirator
When it comes to schrader valves, inspecting, replacing damaged valves, and
capping service ports is considered ______. - ANSWER: critical
The EPA believes that the most effective leak detection method is: __________ or
___________. - ANSWER: electronic ultrasonic
The chemical composition of R-134A is: - ANSWER: hfc
An HFC refrigerant considered non-typical because it is a near azeotropic, can charge
either as a liquid or a vapor, and has a 400 series number, even though it behaves
like a 500 series refrigerant is: - ANSWER: R410A
Since this date, a person may not service, maintain, or dispose of appliances
designed to contain refrigerants without being appropriately certified. - ANSWER:
november 14 1994
Since this date, only certified technicians may purchase refrigerants. The smallest
cylinder a 608-certified technician may purchase is 20 pounds. Only a 609-certified
(automotive) technician may purchase smaller containers. - ANSWER: november 14
1994
The purpose of the CAA is to limit how much of a _________ can be in the air
anywhere in the U.S. - ANSWER: pollutant
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