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EPA 608 CORE EXAM QUESTIONS WITH COMPLETE ANSWERS
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EPA 608 CORE EXAM QUESTIONS WITH COMPLETE ANSWERS
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EPA 608 CORE EXAM QUESTIONS WITHCOMPLETE ANSWERS
All of the above - answer-refrigeration 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
November 1995 - answer-it has been illegal to vent substitutes for cfc and hcfc
refrigerants since:
R22 - answer-which refrigerant has the lowest odp?
R22, r11, r12, r113
Recover - answer-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
________.
No - answer-does the epa recognize any refrigerant "drop-in" replacements?
Slow - answer-do low ambient temperatures slow or speed up the process of refrigerant
recovery?
Hcfc - answer-chemical composition of r-124
Temperature glide - answer-the term used to describe the fact that a refrigerant blend
has a range of boiling or condensing points at a constant pressure is ________
_________.
Cfcs in air samples from the atmosphere - answer-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
All contribute - answer-according to the epa, which of the following do not contribute to
global warming? Cfc, hcfc, hfc?
Can cause asphyxia - answer-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
1995 - answer-cfcs will no longer be manufactured or imported into the u.s. after what
year?
Water vapor - answer-a system is dehydrated to remove water and _____ ______.
R500 - answer-which of the following refrigerants contains a cfc: r500, r410a, r134a, or
r123?
5 - answer-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.
Small appliances - answer-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: _____ _____
Phosgene gas - answer-at high temperatures, r-12 and r-22 can decompose to form:
______ _______.
Respirator - answer-the epa recommends, for safety, goggles when working with
compressed gas, and _________ when working with refrigerant.
Critical - answer-when it comes to schrader valves, inspecting, replacing damaged
valves, and capping service ports is considered ______.
Electronic ultrasonic - answer-the epa believes that the most effective leak detection
method is: __________ or ___________.
Hfc - answer-the chemical composition of r-134a is:
R410a - answer-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:
Cfc - answer-chemical composition of r-11
Cfc - answer-chemical composition of r-12
Cfc - answer-chemical composition of r-500
Hcfc - answer-chemical composition of r-22
Hcfc - answer-chemical composition of r-123
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