EPA 608 STUDY MATERIAL CORE TYPE 1 2
AND 3 SCRIPT COMPLETE ANSWERS
GRADED A+
◉ In what state should a system be to measure a final system
vacuum
Answer: With the system isolated and the vacuum pump turned
off
◉ What must be done before disposing of any appliance
containing a CFC, HCFC, or HFC refrigerant
Answer: Recover the refrigerant
◉ When corrosion is found within the body of a relief valve the
valve must be
Answer: Replaced
◉ Which of the following safety precautions should be adhered to
for low pressure systems
Answer: Use gloves and safety goggles when working with liquid
refrigerant
◉ What is the Montreal protocol
,Answer: An international treaty that addresses O'zone depleting
substances and their alternatives
◉ Which ASHRAE classification means slightly flammable
Answer: A2L
◉ What is the significant new alternatives policy (SNAP) program
Answer: EPA's program that identifies refrigerant with lower
overall risks to human health and the environment
◉ HFCs
Answer: Will not damage stratospheric ozone but have a high
GWP
◉ Which international agreement (treaty) regulated the
production and use of CFCs, HCFCs, halons, methyl chloroform
and carbon tetrachloride
Answer: Montreal protocol
◉ Which of the following refrigerants is an HFO
Answer: R-1234ze
◉ Which of the following refrigerant has a GWP of "1"
Answer: R-1234ze
,◉ Which of the following has the highest Ozone depletion
potential
Answer: CFCs
◉ How much can a person be fined per day per violation for
knowingly releasing a regulated substance that violates the clean
air act
Answer: $44,539
◉ The low-side test-pressure data-plate value should be used by a
technician to determine a safe pressure for
Answer: Leak testing
◉ Clean refrigerant for reuse by separating the oil from the
refrigerant and removing moisture from the refrigerant by
passing it through one or more filter driers the definition of
Answer: Recycle
◉ The chlorine in CFCs and HCFCs
Answer: 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
Answer: Disposable cylinders
, ◉ The molecule found in CFCs and HCFCs that depletes ozone is
Answer: Chlorine
◉ A single chlorine atom can destroy how many ozone molecules
Answer: 100,000
◉ Silicone elastomers, for use in seals and gaskets, are not
compatible with which refrigerants
Answer: HFOs
◉ Reusable refrigerant containers under high-pressure must be
hydrostatically tested how often
Answer: 5 years
◉ HCFCs contain
Answer: Hydrogen, fluorine, chlorine and carbon
◉ To process refrigerant to a level equal to new (virgin) product
specifications as determined by chemical analysis defines
Answer: Reclaiming
◉ Crop loss, eye disease, and skin cancer have been attributed to
Answer: Depletion of stratospheric ozone
AND 3 SCRIPT COMPLETE ANSWERS
GRADED A+
◉ In what state should a system be to measure a final system
vacuum
Answer: With the system isolated and the vacuum pump turned
off
◉ What must be done before disposing of any appliance
containing a CFC, HCFC, or HFC refrigerant
Answer: Recover the refrigerant
◉ When corrosion is found within the body of a relief valve the
valve must be
Answer: Replaced
◉ Which of the following safety precautions should be adhered to
for low pressure systems
Answer: Use gloves and safety goggles when working with liquid
refrigerant
◉ What is the Montreal protocol
,Answer: An international treaty that addresses O'zone depleting
substances and their alternatives
◉ Which ASHRAE classification means slightly flammable
Answer: A2L
◉ What is the significant new alternatives policy (SNAP) program
Answer: EPA's program that identifies refrigerant with lower
overall risks to human health and the environment
◉ HFCs
Answer: Will not damage stratospheric ozone but have a high
GWP
◉ Which international agreement (treaty) regulated the
production and use of CFCs, HCFCs, halons, methyl chloroform
and carbon tetrachloride
Answer: Montreal protocol
◉ Which of the following refrigerants is an HFO
Answer: R-1234ze
◉ Which of the following refrigerant has a GWP of "1"
Answer: R-1234ze
,◉ Which of the following has the highest Ozone depletion
potential
Answer: CFCs
◉ How much can a person be fined per day per violation for
knowingly releasing a regulated substance that violates the clean
air act
Answer: $44,539
◉ The low-side test-pressure data-plate value should be used by a
technician to determine a safe pressure for
Answer: Leak testing
◉ Clean refrigerant for reuse by separating the oil from the
refrigerant and removing moisture from the refrigerant by
passing it through one or more filter driers the definition of
Answer: Recycle
◉ The chlorine in CFCs and HCFCs
Answer: 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
Answer: Disposable cylinders
, ◉ The molecule found in CFCs and HCFCs that depletes ozone is
Answer: Chlorine
◉ A single chlorine atom can destroy how many ozone molecules
Answer: 100,000
◉ Silicone elastomers, for use in seals and gaskets, are not
compatible with which refrigerants
Answer: HFOs
◉ Reusable refrigerant containers under high-pressure must be
hydrostatically tested how often
Answer: 5 years
◉ HCFCs contain
Answer: Hydrogen, fluorine, chlorine and carbon
◉ To process refrigerant to a level equal to new (virgin) product
specifications as determined by chemical analysis defines
Answer: Reclaiming
◉ Crop loss, eye disease, and skin cancer have been attributed to
Answer: Depletion of stratospheric ozone
