ESCO EPA 608 CORE EXAM
QUESTIONS AND ANSWERS 100%
PASS
An ozone molecule contains - ✔✔3 oxygen atoms
Which international agreement (Treaty) regulated the production and use of CFCs,
HCFCs, halons, methyl chloroform and carbon tetrachloride? - ✔✔Montreal Protocol
Silicone elastomers, for use in seals and gaskets, are not compatible with which
refrigerants? - ✔✔HFOs
Which of the following refrigerant has a GWP closest to "1"? - ✔✔R-1233zd or CO2
The condenser _______________________________________ - ✔✔Changes a high-
pressure vapor to a high-pressure liquid.
The chlorine in CFCs and HCFCs; - ✔✔Will not dissolve in water.
Recover any remaining refrigerant and then render the cylinder useless, then recycle the
metal is the proper disposal method for; - ✔✔Disposable cylinders
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, Which ASHRAE classification means slightly flammable? - ✔✔A2L
What is the Significant New Alternatives Policy (SNAP) Program? - ✔✔EPA's program
that identifies refrigerants with lower overall risks to human health and the
environment.
HCFCs contain; - ✔✔Hydrogen, Chlorine, Fluorine, and Carbon
The low-side test-pressure data-plate value should be used by a technician to determine
a safe pressure for: - ✔✔Leak testing.
HFCs ________; - ✔✔Will not damage stratospheric ozone, but have a high GWP.
Which type of refrigerant contains no chlorine? - ✔✔HFCs
Reusable refrigerant containers under high-pressure must be hydrostatically tested how
often? - ✔✔5 years
To process refrigerant to a level equal to new (virgin) product specifications as
determined by chemical analysis defines; - ✔✔Reclaiming
The molecule found in CFCs and HCFCs that depletes ozone is: - ✔✔Chlorine
Which of the following refrigerants is an HFO? - ✔✔R-1234ze
A single chlorine atom can destroy how many ozone molecules? - ✔✔100,000
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QUESTIONS AND ANSWERS 100%
PASS
An ozone molecule contains - ✔✔3 oxygen atoms
Which international agreement (Treaty) regulated the production and use of CFCs,
HCFCs, halons, methyl chloroform and carbon tetrachloride? - ✔✔Montreal Protocol
Silicone elastomers, for use in seals and gaskets, are not compatible with which
refrigerants? - ✔✔HFOs
Which of the following refrigerant has a GWP closest to "1"? - ✔✔R-1233zd or CO2
The condenser _______________________________________ - ✔✔Changes a high-
pressure vapor to a high-pressure liquid.
The chlorine in CFCs and HCFCs; - ✔✔Will not dissolve in water.
Recover any remaining refrigerant and then render the cylinder useless, then recycle the
metal is the proper disposal method for; - ✔✔Disposable cylinders
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, Which ASHRAE classification means slightly flammable? - ✔✔A2L
What is the Significant New Alternatives Policy (SNAP) Program? - ✔✔EPA's program
that identifies refrigerants with lower overall risks to human health and the
environment.
HCFCs contain; - ✔✔Hydrogen, Chlorine, Fluorine, and Carbon
The low-side test-pressure data-plate value should be used by a technician to determine
a safe pressure for: - ✔✔Leak testing.
HFCs ________; - ✔✔Will not damage stratospheric ozone, but have a high GWP.
Which type of refrigerant contains no chlorine? - ✔✔HFCs
Reusable refrigerant containers under high-pressure must be hydrostatically tested how
often? - ✔✔5 years
To process refrigerant to a level equal to new (virgin) product specifications as
determined by chemical analysis defines; - ✔✔Reclaiming
The molecule found in CFCs and HCFCs that depletes ozone is: - ✔✔Chlorine
Which of the following refrigerants is an HFO? - ✔✔R-1234ze
A single chlorine atom can destroy how many ozone molecules? - ✔✔100,000
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