EPA 608 COMPLETE QUESTIONS AND
SOLUTIONS TESTED ANSWERS
◉ How often should refillable cylinders be hydrostatically tested?
Answer: 5 years
◉ What are the three ways you can control fill level of refillable
cylinder?
Answer: Mechanical floats, electronic floats, or weight
◉ What is the EPA definition of a small appliance?
Answer: One that is manufactured, charged, and hermetically
sealed in factory and contains five lbs. or less of refrigerant
◉ What standards must recovery equipment manufactured before
Nov. 15th, 1993 meet?
Answer: Capable of recovering 80% of refrigerant whether or not
compressor is operating or achieve a 4-inch vacuum under
conditions of ARI 740
◉ What standards must recovery equipment manufactured
AFTER Nov. 15th, 1993 meet?
Answer: Capable of recovering 80% of refrigerant without
compressor operating or achieve 4-inch vacuum under conditions
of ARI 740; be capable of recovering 90% of refrigerant with
, compressor operating or achieve 4-inch vacuum under conditions
of ARI 740; and must be approved by EPA approved third-party
laboratory
◉ Low-loss Fittings
Answer: Can be manually or automatically closed when
disconnecting hoses in order to prevent refrigerant loss
◉ Service Aperture
Answer: Typically straight piece of tubing that is entered with
piercing access valve
◉ Find the pressure for R-12 at 80 degrees F.
Answer: 84.4 psi
◉ Find pressure for R-22 at 70 degree F.
Answer: 121.4 psi
◉ R-134A at 90 degree F
Answer: 104.3 psi
◉ What might happen if cylinder containing mixed refrigerants is
given to reclamation center?
Answer: Refuse to process it and ship back to sender or destroy it
for a substantial fee
SOLUTIONS TESTED ANSWERS
◉ How often should refillable cylinders be hydrostatically tested?
Answer: 5 years
◉ What are the three ways you can control fill level of refillable
cylinder?
Answer: Mechanical floats, electronic floats, or weight
◉ What is the EPA definition of a small appliance?
Answer: One that is manufactured, charged, and hermetically
sealed in factory and contains five lbs. or less of refrigerant
◉ What standards must recovery equipment manufactured before
Nov. 15th, 1993 meet?
Answer: Capable of recovering 80% of refrigerant whether or not
compressor is operating or achieve a 4-inch vacuum under
conditions of ARI 740
◉ What standards must recovery equipment manufactured
AFTER Nov. 15th, 1993 meet?
Answer: Capable of recovering 80% of refrigerant without
compressor operating or achieve 4-inch vacuum under conditions
of ARI 740; be capable of recovering 90% of refrigerant with
, compressor operating or achieve 4-inch vacuum under conditions
of ARI 740; and must be approved by EPA approved third-party
laboratory
◉ Low-loss Fittings
Answer: Can be manually or automatically closed when
disconnecting hoses in order to prevent refrigerant loss
◉ Service Aperture
Answer: Typically straight piece of tubing that is entered with
piercing access valve
◉ Find the pressure for R-12 at 80 degrees F.
Answer: 84.4 psi
◉ Find pressure for R-22 at 70 degree F.
Answer: 121.4 psi
◉ R-134A at 90 degree F
Answer: 104.3 psi
◉ What might happen if cylinder containing mixed refrigerants is
given to reclamation center?
Answer: Refuse to process it and ship back to sender or destroy it
for a substantial fee
