EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
As of what date did it become unlawful to release Class 1 a. July 1, 1992
and Class II
refrigerants to the atmosphere?
a. July 1, 1992
b. July 1, 1993
c. November 14, 1994
d. January 1, 1996
What is the ozone layer and why is it important to us on b. Protective shield for Earth from the sun's harmful ultraviolent (UV)
Earth? rays in the stratosphere layer that extends about 6 to 30 miles above
a. Thin layer of R-22 in the atmosphere that filters UV. earth
b. Protective shield for Earth from the sun's harmful
ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30
miles above
earth
c. Thin layer of CFC and HCFC in the atmosphere that
filters UV.
d. Protective layer that shields UV in the Troposphere
The atom found in CFC and HCFC refrigerants that d. Chlorine
destroys ozone in the
stratosphere is?
a. Fluorine
b. Carbon
c. Hydrogen
d. Chlorine
What is an ozone molecule made of? Three oxygen atoms (O3).
a. Refrigerant
b. Ammonia
c. Three oxygen atoms (O3).
d. Oxygen and ammonia.
Which refrigerant is a CFC? d. R-12
a. R-134A
b. R-123
c. R-22
d. R-12
What is the name of the atom that attacks ozone c. Chlorine and bromine atoms emitted into the atmosphere
molecules?
a. CFC atoms
b. HCFC atoms
c. Chlorine and bromine atoms emitted into the
atmosphere
d. a and b
Which refrigerant is a HFC? a. R-134A
a. R-134A
b. R-123
c. R-22
d. R-12
Describe how one Chlorine atom can destroy 100,000 a. Chlorine releases one of the oxygen atoms and forms two O2 oxygen molecules,
ozone molecules. leaving the chlorine molecule free to attack another
a. Chlorine releases one of the oxygen atoms and forms ozone molecule and repeat the process.
two O2 oxygen
molecules, leaving the chlorine molecule free to attack
another
ozone molecule and repeat the process.
b. Chlorine locks up the ozone molecule and then and then
goes after
another.
c. Chlorine converts the ozone to bromine and then attacks
more ozone
molecules.
d. Chlorine can bleach 100,000 ozone molecules before it
weakens.
, EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
Which refrigerant contains no chlorine? a. R-134A
a. R-134A
b. R-123
c. R-22
d. R-12
Name the refrigerant types that belong to CFCs, HCFCs d. All of the above are correct
and HFCs
a. CFC R-11, R-12, R-500
b. HCFC R-22, R-123
c. HFC R-134a
d. All of the above are correct
The rule of thumb for refilling approved cylinders is a c. 80%
maximum of ___ percent
liquid?
a. 60%
b. 79%
c. 80%
d. 90%
What do the letters in "HCFC" stand for? b. hydrochlorofluorocarbons
a. High Carbon Fluorine Chlorine
b. hydrochlorofluorocarbons
c. Harmful Carbon Fluorine Chlorine
d. highchlorinefluorocarbon
To recover refrigerant is to? a. Remove a refrigerant in any condition from a system in either an
a. Remove a refrigerant in any condition from a system in active or passive manner, and store it in an external container
either an without necessarily testing or processing
active or passive manner, and store it in an external
container
without necessarily testing or processing
b. Reduce contaminants in used refrigerant by oil
separation through filter
dryers.
c. Reprocess refrigerant to new product specifications
d. Remove refrigerant and change ownership.
What is ODP? b. Ozone Depletion Potential
a. Oxygen Destruction Properties
b. Ozone Depletion Potential
c. Ozone Destruction Properties
d. Oxygen Depletion Potential
R-134A is a "drop in" refrigerant for? d. R-134A is not a drop-in refrigerant
36 | P a g e
a. R-12
b. R-22
c. R-11
d. R-134A is not a drop-in refrigerant
Name some of the health and environmental effects of d. All the above
ozone depletion.
a. Increased Temperature of the Earth
b. Increased Cases of Skin Cancer
c. Increased numbers of Cataracts in the eyes
d. All the above
The condition and state of the refrigerant leaving a a. Subcooled liquid
receiver is?
a. Subcooled liquid
b. Subcooled vapor
c. Superheated vapor
d. Superheated liquid.
, EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
What evidence do we have that CFCs and HCFCs are d. All the above
depleting the ozone?
a. The rise in the amount of chlorine measured in the
stratosphere over the
past two decades matches the rise in the amount of
fluorine.
b. The rise in the amount of chlorine measured in the
stratosphere over the
past two decades matches the rise in CFC emissions over
the same
period.
c. Samples of air taken from the stratosphere over erupting
volcanoes show
that volcanoes contribute a small quantity of chlorine to the
stratosphere
compared to CFCs.
d. All the above
The component of an air conditioning system that changes d. Compressor
a low pressure vapor
to a high pressure vapor is the?
a. Condenser
b. Metering device
c. Evaporator
d. Compressor
20.What characteristics
What characteristics make it easy for CFCs to reach the b. CFCs will not dissolve in water or break down into compounds that dissolve in
stratosphere and how water. Wind moves them into the Stratosphere
do they get there?
a. CFCs are lighter than air atoms and rise into the
Stratosphere.
b. CFCs will not dissolve in water or break down into
compounds that dissolve in water. Wind moves them into
the Stratosphere
c. Heating of the CFCs makes them lighter than air.
d. a and c
Why do we now use R-134a refrigerant? b. HFCs do not contain any chlorine
a. It costs less
b. HFCs do not contain any chlorine
c. It is a drop in replacement for R-22
d. It is a drop in replacement for R-11
What is the purpose of the CAA? c. Limit how much of a pollutant can be in the air in the US
37 | P a g e
a. Regulate California Air quality
b. Clean the air in the US
c. Limit how much of a pollutant can be in the air in the US
What three things is the CAA doing to control d. All the above
chlorofluorocarbon emissions?
a. Set dates to phase out CFC's and HCFC's
b. Prohibit venting of CFC and HCFC
c. Require the EPA to set standards for recovery of
refrigerants prior to
appliance disposal
d. All the above
What can states do in addition to the CAA? a. Enforce standards more strict than the CAA laws
a. Enforce standards more strict than the CAA laws
b. Nothing
c. States can create their own laws.
d. All of the above
What three things can happen if you violate the CAA? d. All the above
a. Fine up to $27,500 per day, per violation
b. May lose your certification to handle refrigerants
c. May need to appear in US Federal Court for the charges
d. All the above
, EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
What incentive do others have to turn you in for violating An award of up to $10,000 is offered by the EPA
the CAA?
a. An award of up to $10,000 is offered by the EPA
b. An award of up to $100,000 is offered by the EPA
c. An award of up to $1,000 is offered by the EPA
d. None of the above
Who can purchase refrigerants and what size cylinders
can be purchased?
a. Only certified technicians may purchase refrigerants as
of November 14, 1994
b. The smallest cylinder a 608 certified technician may
purchase is 20 lbs
c. A certified technician can purchase HCFC
d. All the above
What is the Montreal Protocol? b. Treaty among nations designed to protect the stratospheric ozone
a. Treaty between Canada and the US to limit use of layer.
refrigerants
b. Treaty among nations designed to protect the
stratospheric ozone
layer.
c. Method to clean the air developed in Montreal
d. Carbon regulation
What chemicals does the Montreal Protocol control? d. All the above
a. chlorofluorocarbons (CFCs), halons,
b. carbon tetrachloride
c. methyl chloroform
d. All the above
When was the CFC phase out date? b. December 31, 1995
a. November 31, 2003
b. December 31, 1995
c. November 15, 1990
d. November 15, 1993
Where do CFC refrigerants come from for equipment c. Recovery and recycling
servicing of older
systems?
a. DuPont
b. Government warehouse
c. Recovery and recycling
d. Imported from South America
What must be done before scrapping a refrigerant b. Recover to (0 psig) or lower and rendered useless
container?
a. Release the refrigerant
b. Recover to (0 psig) or lower and rendered useless
c. Punch a hole in the container
d. Add compressed air
What must be done before disposing of an appliance d. Refrigerant must be recovered
containing CFCs or
HCFCs?
a. Identify refrigerant by attaching DOE tag.
b. Identify refrigerant by attaching CAA tag
c. Identify refrigerant by attaching EPA tag
d. Refrigerant must be recovered
Who is responsible for removing refrigerants from a d. Final person in the disposal chain
system that is being
disposed of?
a. HVACR tech
b. EPA
c. Original owner
d. Final person in the disposal chain
As of what date did it become unlawful to release Class 1 a. July 1, 1992
and Class II
refrigerants to the atmosphere?
a. July 1, 1992
b. July 1, 1993
c. November 14, 1994
d. January 1, 1996
What is the ozone layer and why is it important to us on b. Protective shield for Earth from the sun's harmful ultraviolent (UV)
Earth? rays in the stratosphere layer that extends about 6 to 30 miles above
a. Thin layer of R-22 in the atmosphere that filters UV. earth
b. Protective shield for Earth from the sun's harmful
ultraviolent (UV)
rays in the stratosphere layer that extends about 6 to 30
miles above
earth
c. Thin layer of CFC and HCFC in the atmosphere that
filters UV.
d. Protective layer that shields UV in the Troposphere
The atom found in CFC and HCFC refrigerants that d. Chlorine
destroys ozone in the
stratosphere is?
a. Fluorine
b. Carbon
c. Hydrogen
d. Chlorine
What is an ozone molecule made of? Three oxygen atoms (O3).
a. Refrigerant
b. Ammonia
c. Three oxygen atoms (O3).
d. Oxygen and ammonia.
Which refrigerant is a CFC? d. R-12
a. R-134A
b. R-123
c. R-22
d. R-12
What is the name of the atom that attacks ozone c. Chlorine and bromine atoms emitted into the atmosphere
molecules?
a. CFC atoms
b. HCFC atoms
c. Chlorine and bromine atoms emitted into the
atmosphere
d. a and b
Which refrigerant is a HFC? a. R-134A
a. R-134A
b. R-123
c. R-22
d. R-12
Describe how one Chlorine atom can destroy 100,000 a. Chlorine releases one of the oxygen atoms and forms two O2 oxygen molecules,
ozone molecules. leaving the chlorine molecule free to attack another
a. Chlorine releases one of the oxygen atoms and forms ozone molecule and repeat the process.
two O2 oxygen
molecules, leaving the chlorine molecule free to attack
another
ozone molecule and repeat the process.
b. Chlorine locks up the ozone molecule and then and then
goes after
another.
c. Chlorine converts the ozone to bromine and then attacks
more ozone
molecules.
d. Chlorine can bleach 100,000 ozone molecules before it
weakens.
, EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
Which refrigerant contains no chlorine? a. R-134A
a. R-134A
b. R-123
c. R-22
d. R-12
Name the refrigerant types that belong to CFCs, HCFCs d. All of the above are correct
and HFCs
a. CFC R-11, R-12, R-500
b. HCFC R-22, R-123
c. HFC R-134a
d. All of the above are correct
The rule of thumb for refilling approved cylinders is a c. 80%
maximum of ___ percent
liquid?
a. 60%
b. 79%
c. 80%
d. 90%
What do the letters in "HCFC" stand for? b. hydrochlorofluorocarbons
a. High Carbon Fluorine Chlorine
b. hydrochlorofluorocarbons
c. Harmful Carbon Fluorine Chlorine
d. highchlorinefluorocarbon
To recover refrigerant is to? a. Remove a refrigerant in any condition from a system in either an
a. Remove a refrigerant in any condition from a system in active or passive manner, and store it in an external container
either an without necessarily testing or processing
active or passive manner, and store it in an external
container
without necessarily testing or processing
b. Reduce contaminants in used refrigerant by oil
separation through filter
dryers.
c. Reprocess refrigerant to new product specifications
d. Remove refrigerant and change ownership.
What is ODP? b. Ozone Depletion Potential
a. Oxygen Destruction Properties
b. Ozone Depletion Potential
c. Ozone Destruction Properties
d. Oxygen Depletion Potential
R-134A is a "drop in" refrigerant for? d. R-134A is not a drop-in refrigerant
36 | P a g e
a. R-12
b. R-22
c. R-11
d. R-134A is not a drop-in refrigerant
Name some of the health and environmental effects of d. All the above
ozone depletion.
a. Increased Temperature of the Earth
b. Increased Cases of Skin Cancer
c. Increased numbers of Cataracts in the eyes
d. All the above
The condition and state of the refrigerant leaving a a. Subcooled liquid
receiver is?
a. Subcooled liquid
b. Subcooled vapor
c. Superheated vapor
d. Superheated liquid.
, EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
What evidence do we have that CFCs and HCFCs are d. All the above
depleting the ozone?
a. The rise in the amount of chlorine measured in the
stratosphere over the
past two decades matches the rise in the amount of
fluorine.
b. The rise in the amount of chlorine measured in the
stratosphere over the
past two decades matches the rise in CFC emissions over
the same
period.
c. Samples of air taken from the stratosphere over erupting
volcanoes show
that volcanoes contribute a small quantity of chlorine to the
stratosphere
compared to CFCs.
d. All the above
The component of an air conditioning system that changes d. Compressor
a low pressure vapor
to a high pressure vapor is the?
a. Condenser
b. Metering device
c. Evaporator
d. Compressor
20.What characteristics
What characteristics make it easy for CFCs to reach the b. CFCs will not dissolve in water or break down into compounds that dissolve in
stratosphere and how water. Wind moves them into the Stratosphere
do they get there?
a. CFCs are lighter than air atoms and rise into the
Stratosphere.
b. CFCs will not dissolve in water or break down into
compounds that dissolve in water. Wind moves them into
the Stratosphere
c. Heating of the CFCs makes them lighter than air.
d. a and c
Why do we now use R-134a refrigerant? b. HFCs do not contain any chlorine
a. It costs less
b. HFCs do not contain any chlorine
c. It is a drop in replacement for R-22
d. It is a drop in replacement for R-11
What is the purpose of the CAA? c. Limit how much of a pollutant can be in the air in the US
37 | P a g e
a. Regulate California Air quality
b. Clean the air in the US
c. Limit how much of a pollutant can be in the air in the US
What three things is the CAA doing to control d. All the above
chlorofluorocarbon emissions?
a. Set dates to phase out CFC's and HCFC's
b. Prohibit venting of CFC and HCFC
c. Require the EPA to set standards for recovery of
refrigerants prior to
appliance disposal
d. All the above
What can states do in addition to the CAA? a. Enforce standards more strict than the CAA laws
a. Enforce standards more strict than the CAA laws
b. Nothing
c. States can create their own laws.
d. All of the above
What three things can happen if you violate the CAA? d. All the above
a. Fine up to $27,500 per day, per violation
b. May lose your certification to handle refrigerants
c. May need to appear in US Federal Court for the charges
d. All the above
, EPA 608 Core Test Sample Questions and Answers - EPA Section 608 Certification
What incentive do others have to turn you in for violating An award of up to $10,000 is offered by the EPA
the CAA?
a. An award of up to $10,000 is offered by the EPA
b. An award of up to $100,000 is offered by the EPA
c. An award of up to $1,000 is offered by the EPA
d. None of the above
Who can purchase refrigerants and what size cylinders
can be purchased?
a. Only certified technicians may purchase refrigerants as
of November 14, 1994
b. The smallest cylinder a 608 certified technician may
purchase is 20 lbs
c. A certified technician can purchase HCFC
d. All the above
What is the Montreal Protocol? b. Treaty among nations designed to protect the stratospheric ozone
a. Treaty between Canada and the US to limit use of layer.
refrigerants
b. Treaty among nations designed to protect the
stratospheric ozone
layer.
c. Method to clean the air developed in Montreal
d. Carbon regulation
What chemicals does the Montreal Protocol control? d. All the above
a. chlorofluorocarbons (CFCs), halons,
b. carbon tetrachloride
c. methyl chloroform
d. All the above
When was the CFC phase out date? b. December 31, 1995
a. November 31, 2003
b. December 31, 1995
c. November 15, 1990
d. November 15, 1993
Where do CFC refrigerants come from for equipment c. Recovery and recycling
servicing of older
systems?
a. DuPont
b. Government warehouse
c. Recovery and recycling
d. Imported from South America
What must be done before scrapping a refrigerant b. Recover to (0 psig) or lower and rendered useless
container?
a. Release the refrigerant
b. Recover to (0 psig) or lower and rendered useless
c. Punch a hole in the container
d. Add compressed air
What must be done before disposing of an appliance d. Refrigerant must be recovered
containing CFCs or
HCFCs?
a. Identify refrigerant by attaching DOE tag.
b. Identify refrigerant by attaching CAA tag
c. Identify refrigerant by attaching EPA tag
d. Refrigerant must be recovered
Who is responsible for removing refrigerants from a d. Final person in the disposal chain
system that is being
disposed of?
a. HVACR tech
b. EPA
c. Original owner
d. Final person in the disposal chain
