EPA 608 Core Test Sample UPDATED
ACTUAL Exam Questions and CORRECT
Answers
What do the letters in "HCFC" stand for?
a. High Carbon Fluorine Chlorine
b. hydrochlorofluorocarbons
c. Harmful Carbon Fluorine Chlorine
d. highchlorinefluorocarbon - CORRECT ANSWER b. hydrochlorofluorocarbons
To recover refrigerant is to?
a. Remove a refrigerant in any condition from a system in either an
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. - CORRECT ANSWER a. Remove a refrigerant
in any condition from a system in either an
active or passive manner, and store it in an external container
without necessarily testing or processing
What is ODP?
a. Oxygen Destruction Properties
b. Ozone Depletion Potential
c. Ozone Destruction Properties
d. Oxygen Depletion Potential - CORRECT ANSWER b. Ozone Depletion Potential
,R-134A is a "drop in" refrigerant for?
36 | P a g e
a. R-12
b. R-22
c. R-11
d. R-134A is not a drop-in refrigerant - CORRECT ANSWER d. R-134A is not a drop-in
refrigerant
Name some of the health and environmental effects of 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 - CORRECT ANSWER d. All the above
The condition and state of the refrigerant leaving a receiver is?
a. Subcooled liquid
b. Subcooled vapor
c. Superheated vapor
d. Superheated liquid. - CORRECT ANSWER a. Subcooled liquid
What evidence do we have that CFCs and HCFCs are 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 - CORRECT ANSWER d. All the above
The component of an air conditioning system that changes a low pressure vapor
to a high pressure vapor is the?
a. Condenser
b. Metering device
c. Evaporator
d. Compressor
20.What characteristics - CORRECT ANSWER d. Compressor
What characteristics make it easy for CFCs to reach the stratosphere and how
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 - CORRECT ANSWER b. CFCs will not dissolve in water or break down into
compounds that dissolve in water. Wind moves them into the Stratosphere
Why do we now use R-134a refrigerant?
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 - CORRECT ANSWER b. HFCs do not contain any
chlorine
What is the purpose of the CAA?
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 - CORRECT ANSWER c. Limit
how much of a pollutant can be in the air in the US
What three things is the CAA doing to control 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 - CORRECT ANSWER d. All the above
What can states do in addition to the CAA?
a. Enforce standards more strict than the CAA laws
b. Nothing
c. States can create their own laws.
d. All of the above - CORRECT ANSWER a. Enforce standards more strict than the CAA
laws
What three things can happen if you violate the CAA?
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 - CORRECT ANSWER d. All the above
What incentive do others have to turn you in for violating 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
ACTUAL Exam Questions and CORRECT
Answers
What do the letters in "HCFC" stand for?
a. High Carbon Fluorine Chlorine
b. hydrochlorofluorocarbons
c. Harmful Carbon Fluorine Chlorine
d. highchlorinefluorocarbon - CORRECT ANSWER b. hydrochlorofluorocarbons
To recover refrigerant is to?
a. Remove a refrigerant in any condition from a system in either an
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. - CORRECT ANSWER a. Remove a refrigerant
in any condition from a system in either an
active or passive manner, and store it in an external container
without necessarily testing or processing
What is ODP?
a. Oxygen Destruction Properties
b. Ozone Depletion Potential
c. Ozone Destruction Properties
d. Oxygen Depletion Potential - CORRECT ANSWER b. Ozone Depletion Potential
,R-134A is a "drop in" refrigerant for?
36 | P a g e
a. R-12
b. R-22
c. R-11
d. R-134A is not a drop-in refrigerant - CORRECT ANSWER d. R-134A is not a drop-in
refrigerant
Name some of the health and environmental effects of 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 - CORRECT ANSWER d. All the above
The condition and state of the refrigerant leaving a receiver is?
a. Subcooled liquid
b. Subcooled vapor
c. Superheated vapor
d. Superheated liquid. - CORRECT ANSWER a. Subcooled liquid
What evidence do we have that CFCs and HCFCs are 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 - CORRECT ANSWER d. All the above
The component of an air conditioning system that changes a low pressure vapor
to a high pressure vapor is the?
a. Condenser
b. Metering device
c. Evaporator
d. Compressor
20.What characteristics - CORRECT ANSWER d. Compressor
What characteristics make it easy for CFCs to reach the stratosphere and how
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 - CORRECT ANSWER b. CFCs will not dissolve in water or break down into
compounds that dissolve in water. Wind moves them into the Stratosphere
Why do we now use R-134a refrigerant?
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 - CORRECT ANSWER b. HFCs do not contain any
chlorine
What is the purpose of the CAA?
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 - CORRECT ANSWER c. Limit
how much of a pollutant can be in the air in the US
What three things is the CAA doing to control 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 - CORRECT ANSWER d. All the above
What can states do in addition to the CAA?
a. Enforce standards more strict than the CAA laws
b. Nothing
c. States can create their own laws.
d. All of the above - CORRECT ANSWER a. Enforce standards more strict than the CAA
laws
What three things can happen if you violate the CAA?
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 - CORRECT ANSWER d. All the above
What incentive do others have to turn you in for violating 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
