EPA 608 REFRIGERATION CORE UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS
GRADED A PLUS
Question:
Each chlorine atom in the stratosphere can destroy how many ozone molecules?
Answer:
100,000 ozone molecules
Question:
Which refrigerant contains a CFC? R500, R12, R113 or R11?
Answer:
Theyre all CFC's
Question:
HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain?
Answer:
Hydrogen, chlorine, flourine and carbon
Question:
Which refrigerant is a chlorine free refrigerant?
Answer:
HFC R 134A
Question:
What is the result damage to the ozone layer?
,Answer:
Increases in human skin cancer
Question:
According to the EPA, chlorine in the stratosphere is believed to come primarily from the CFCs
rather than from volcanoes because
Answer:
-) The rise in the amount of chlorine measured in the stratosphere over the past 2 decades matches
the rise of chlorine which has different natural sources of chlorune overthe same period ) The rise of
chlorine in the statosphere matches the rise in CFCs over the same period ) samples of air taken over
erupting volcanoes shows that volcanoes contribute a small amount of chlorine in the stratosphere
compared to CFCs ) ALL OF THE ABOVE
Question:
Which is a violation of the EPA clean air act?
Answer:
-) falsifying or failing to keep required records ) failing to keep evacuation levels before opening or
disposing of appliances ) knowingly releasing HFC's, HCFCs or CFC refrigerants ) ALL OF THE
ABOVE
Question:
Discarding of disposable cylinders is accomplished by
Answer:
Assuring that all refrigerant is recovered and that the cylinders are rendered useless then recycle the
metal
Question:
How much money can be awarded to a person who supplies information leading to a conviction
against the technician who is intentionally venting refrigerants or violatingsome other provision of
the EPA CLEAN AIR ACT
,Answer:
$10,000
Question:
CFC's will no longer be manufactured or imported into the U.S. after what year?
Answer:
1995
Question:
Since July 1, 1992 it has been illegal to:
Answer:
Knowingly releasing HCF or HCFC refrigerants in the U.S.
Question:
Which compounds are controlled by the Montreal protocol?
Answer:
- ) chloric floric carbons ) hydro chloric carbons ) halons ) all of the above
Question:
EPA regulations cover all AC and refrigeration equipment when containing what?
Answer:
Any refrigerant or refrigerant substitute
Question:
The syntetic substitute currently usedwith blends containing HCFCs is:
Answer:
, Alcobenzine
Question:
What is the significance of atheotropic mixture:
Answer:
The mixture combines to act as a single compound refrigerant
Question:
Cooling occurs in a vapor compression refrigeration system when:
Answer:
Refrigerant liquid boils into a vapor
Question:
Ozone depletion in the stratosphere is what type of problem:
Answer:
Its a GLOBAL problem
Question:
The definition of recover is:
Answer:
To remove refrigerant in any condition from a system and store it an external container without
neccesarily testing it
Question:
Which of the following leak detection methods is considered by the EPA to be the effective for
locating the general area of small leaks?
Answer:
GRADED A PLUS
Question:
Each chlorine atom in the stratosphere can destroy how many ozone molecules?
Answer:
100,000 ozone molecules
Question:
Which refrigerant contains a CFC? R500, R12, R113 or R11?
Answer:
Theyre all CFC's
Question:
HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain?
Answer:
Hydrogen, chlorine, flourine and carbon
Question:
Which refrigerant is a chlorine free refrigerant?
Answer:
HFC R 134A
Question:
What is the result damage to the ozone layer?
,Answer:
Increases in human skin cancer
Question:
According to the EPA, chlorine in the stratosphere is believed to come primarily from the CFCs
rather than from volcanoes because
Answer:
-) The rise in the amount of chlorine measured in the stratosphere over the past 2 decades matches
the rise of chlorine which has different natural sources of chlorune overthe same period ) The rise of
chlorine in the statosphere matches the rise in CFCs over the same period ) samples of air taken over
erupting volcanoes shows that volcanoes contribute a small amount of chlorine in the stratosphere
compared to CFCs ) ALL OF THE ABOVE
Question:
Which is a violation of the EPA clean air act?
Answer:
-) falsifying or failing to keep required records ) failing to keep evacuation levels before opening or
disposing of appliances ) knowingly releasing HFC's, HCFCs or CFC refrigerants ) ALL OF THE
ABOVE
Question:
Discarding of disposable cylinders is accomplished by
Answer:
Assuring that all refrigerant is recovered and that the cylinders are rendered useless then recycle the
metal
Question:
How much money can be awarded to a person who supplies information leading to a conviction
against the technician who is intentionally venting refrigerants or violatingsome other provision of
the EPA CLEAN AIR ACT
,Answer:
$10,000
Question:
CFC's will no longer be manufactured or imported into the U.S. after what year?
Answer:
1995
Question:
Since July 1, 1992 it has been illegal to:
Answer:
Knowingly releasing HCF or HCFC refrigerants in the U.S.
Question:
Which compounds are controlled by the Montreal protocol?
Answer:
- ) chloric floric carbons ) hydro chloric carbons ) halons ) all of the above
Question:
EPA regulations cover all AC and refrigeration equipment when containing what?
Answer:
Any refrigerant or refrigerant substitute
Question:
The syntetic substitute currently usedwith blends containing HCFCs is:
Answer:
, Alcobenzine
Question:
What is the significance of atheotropic mixture:
Answer:
The mixture combines to act as a single compound refrigerant
Question:
Cooling occurs in a vapor compression refrigeration system when:
Answer:
Refrigerant liquid boils into a vapor
Question:
Ozone depletion in the stratosphere is what type of problem:
Answer:
Its a GLOBAL problem
Question:
The definition of recover is:
Answer:
To remove refrigerant in any condition from a system and store it an external container without
neccesarily testing it
Question:
Which of the following leak detection methods is considered by the EPA to be the effective for
locating the general area of small leaks?
Answer:
