HVAC EPA Q&A
When transporting cylinders containing used refrigerants, DOT requires you... - =Use OSHA
approved containers, Ship by EPA certified carrier, attach DOT classification tags
As of 2017, how much can a technician be fined for violating the clean air act, including
knowingly releasing non-exempt refrigerant from appliances. - =$44,539 per day per violation
Why should long hoses between the unit and the recovery machine be avoided? - =They cause
excessive pressure drop and increased recovery time
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? -
=HFOs
Refrigerant will migrate to a compressor crankcase when there is a difference between crankcase
pressure and what characteristics of the refrigerant? - =Vapor pressure
The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is comprised
of; - =Ozone
The sale of CFC and HCFC refrigerants has been restricted to certified technicians since -
=November 14th, 1994
The condenser changes a ______ pressure vapor to a _______ pressure liquid - =high, high
CFCs and HCFCs are ____ substances - =ODP
Which refrigerant has a GWP of "1"? - =R-1233zd
The stratosphere is located ___ to ___ miles above sea level - =7 to 30
, Propane (R-290) and isobutane (R-600) are examples of ASHRAEs safety classification ___ -
=A3
Refrigerant recovery and/ or recycling equipment manufactured after November 15, 1993 must
be... - =certified and labeled by an EPA approved equipment testing organization
What are the characteristics of hydrofluoroolefins? - =Non-ozone depleting and have a low
global warming potential
Which of the following refrigerants is an HFO.. - =R-1234yf
Which type of refrigerant typically has the lowest global warming potential? - =HFO's
Which type of lubricants are HFO refrigerants miscible in? - =POE lubricants
The date when the production and import of new R-22 in the U.S. ends is? - =2020
What synthetic lubricant is presently used with ternary blends containing HCFC's? -
=Allkylbenzene
When transporting cylinders containing used refrigerant, DOT requires the you: - =Attach DOT
classification tags
What does ozone depletion potential measure? - =The ability of a substance to destroy ozone in
the stratosphere?
What effect will low ambient temperatures have on recovery? - =Increase the recovery time
What must be done before shipping any used refrigerant in a cylinder? - =Properly label the
refrigerant container
When transporting cylinders containing used refrigerants, DOT requires you... - =Use OSHA
approved containers, Ship by EPA certified carrier, attach DOT classification tags
As of 2017, how much can a technician be fined for violating the clean air act, including
knowingly releasing non-exempt refrigerant from appliances. - =$44,539 per day per violation
Why should long hoses between the unit and the recovery machine be avoided? - =They cause
excessive pressure drop and increased recovery time
Silicone elastomers, for use in seals and gaskets, are not compatible with which refrigerants? -
=HFOs
Refrigerant will migrate to a compressor crankcase when there is a difference between crankcase
pressure and what characteristics of the refrigerant? - =Vapor pressure
The layer of the Stratosphere that protects us from excessive Ultra Violet radiation is comprised
of; - =Ozone
The sale of CFC and HCFC refrigerants has been restricted to certified technicians since -
=November 14th, 1994
The condenser changes a ______ pressure vapor to a _______ pressure liquid - =high, high
CFCs and HCFCs are ____ substances - =ODP
Which refrigerant has a GWP of "1"? - =R-1233zd
The stratosphere is located ___ to ___ miles above sea level - =7 to 30
, Propane (R-290) and isobutane (R-600) are examples of ASHRAEs safety classification ___ -
=A3
Refrigerant recovery and/ or recycling equipment manufactured after November 15, 1993 must
be... - =certified and labeled by an EPA approved equipment testing organization
What are the characteristics of hydrofluoroolefins? - =Non-ozone depleting and have a low
global warming potential
Which of the following refrigerants is an HFO.. - =R-1234yf
Which type of refrigerant typically has the lowest global warming potential? - =HFO's
Which type of lubricants are HFO refrigerants miscible in? - =POE lubricants
The date when the production and import of new R-22 in the U.S. ends is? - =2020
What synthetic lubricant is presently used with ternary blends containing HCFC's? -
=Allkylbenzene
When transporting cylinders containing used refrigerant, DOT requires the you: - =Attach DOT
classification tags
What does ozone depletion potential measure? - =The ability of a substance to destroy ozone in
the stratosphere?
What effect will low ambient temperatures have on recovery? - =Increase the recovery time
What must be done before shipping any used refrigerant in a cylinder? - =Properly label the
refrigerant container
