EPA TYPE 1 EXAM QUESTIONS WITH
REVIEWED 100% CORRECT
DETAILED ANSWERS GUARANTEED
PASS
Why should low and high side access valves be installed when recovering refrigerant
from a household refrigerator? - Answer-To prevent oil migration.
When using a self-contained recovery device on a CFC, HCFC, or HFC system with an
operating compressor, a technician must; - Answer-either recover the refrigerant to 4
inches of mercury vacuum or 90% of the nameplate charge.
What is the approximate pressure of a storage non-condensable impurities and is
stored in a room where the temperature is 80 degrees. F. cylinder of recovered R-134a
that does not contain any - Answer-87 psig
What may be done to speed the recovery process and ensure that all CFC, HCFC, or
HFC refrigerant has been removed from a frost free refrigerator? - Answer-Turn on the
defrost heater to increase the refrigerant's temperature and vaporize any liquid.
Which of the following are recommended safe work practices when recovering
refrigerants. - Answer-Wear safety eyewear and butyl-lined gloves when connecting/
disconnecting hose.
When using nitrogen in repairing a sealed refrigeration system, what should the nitrogen
tank always be equipped with? - Answer-Regulator
What gases can CFC and HCFC refrigerants decompose into at high temperatures,
(e.g., open flames, glowing metal surfaces, ect.)? - Answer-Phosgene gas
Permanent safety markings are NOT required on which of the following areas on
household refrigerators. - Answer-On the inside of the refrigerator door.
Which hydrocarbon refrigerant is approved for retrofit into existing household
refrigerators? - Answer-Hydrocarbons are not approved for retrofit applications
, Equipment which is used to recover CFC, HCFC, and HFC refrigerant from small
appliances for the purpose of disposal must meet what standard? - Answer-Recover
80% of the refrigerant with an inoperative compressor and 90% of the refrigerant with
an operative compressor.
Which of the following best describes low loss fittings on refrigerant recovery devices
used to recover CFCS, HCFCS, and HFCS? - Answer-They can be either manually
closed or automatically closed when disconnected to prevent loss of refrigerant from
hoses.
What type of certification is required for persons recovering CFCS, HCFCS, or HFCS
during maintenance, service, or repair of small appliances? - Answer-Type I Technician
or Universal Technician
For which of the following refrigeration systems/appliances would it be permissible to
use a passive recovery device for recovery of CFCS, HCFCS, and HFCS? - Answer-A
domestic refrigerator
What is the maximum normal charge of HCFC or HFC refrigerant in an appliance that is
allowed to use system dependent recovery equipment? - Answer-15 pounds
Which of the following statements about recycling and recovery equipment used for
stationary refrigeration is FALSE. - Answer-Purchases of such equipment must be
reported to the EPA.
A passive system-dependent recovery process for small appliances; - Answer-captures
refrigerant in a non-pressurized container
Which of the following does NOT meet the criteria for type 1 appliance certification? -
Answer-An MVAC like system that holds three pounds of R-12.
Which of the following is required when attaching a gauge set to check system
pressure? - Answer-Have manual or self-sealing valves on the ends of the gauge set
hoses to minimize any release of refrigerant.
refrigerant. New household refrigerators may be factory charged with any of the
following refrigerants, EXCEPT. - Answer-R-404A
All appliances must be equipped with a service aperture or process stub which is used
when adding or removing refrigerant from the appliance. What is typically used on small
appliances? - Answer-A straight piece of tubing that is entered using a piercing valve.
Permanent safety markings are Not required on which of the following areas on
household refrigerator using HC refrigerants? - Answer-On the inside of the refrigerator
door.
REVIEWED 100% CORRECT
DETAILED ANSWERS GUARANTEED
PASS
Why should low and high side access valves be installed when recovering refrigerant
from a household refrigerator? - Answer-To prevent oil migration.
When using a self-contained recovery device on a CFC, HCFC, or HFC system with an
operating compressor, a technician must; - Answer-either recover the refrigerant to 4
inches of mercury vacuum or 90% of the nameplate charge.
What is the approximate pressure of a storage non-condensable impurities and is
stored in a room where the temperature is 80 degrees. F. cylinder of recovered R-134a
that does not contain any - Answer-87 psig
What may be done to speed the recovery process and ensure that all CFC, HCFC, or
HFC refrigerant has been removed from a frost free refrigerator? - Answer-Turn on the
defrost heater to increase the refrigerant's temperature and vaporize any liquid.
Which of the following are recommended safe work practices when recovering
refrigerants. - Answer-Wear safety eyewear and butyl-lined gloves when connecting/
disconnecting hose.
When using nitrogen in repairing a sealed refrigeration system, what should the nitrogen
tank always be equipped with? - Answer-Regulator
What gases can CFC and HCFC refrigerants decompose into at high temperatures,
(e.g., open flames, glowing metal surfaces, ect.)? - Answer-Phosgene gas
Permanent safety markings are NOT required on which of the following areas on
household refrigerators. - Answer-On the inside of the refrigerator door.
Which hydrocarbon refrigerant is approved for retrofit into existing household
refrigerators? - Answer-Hydrocarbons are not approved for retrofit applications
, Equipment which is used to recover CFC, HCFC, and HFC refrigerant from small
appliances for the purpose of disposal must meet what standard? - Answer-Recover
80% of the refrigerant with an inoperative compressor and 90% of the refrigerant with
an operative compressor.
Which of the following best describes low loss fittings on refrigerant recovery devices
used to recover CFCS, HCFCS, and HFCS? - Answer-They can be either manually
closed or automatically closed when disconnected to prevent loss of refrigerant from
hoses.
What type of certification is required for persons recovering CFCS, HCFCS, or HFCS
during maintenance, service, or repair of small appliances? - Answer-Type I Technician
or Universal Technician
For which of the following refrigeration systems/appliances would it be permissible to
use a passive recovery device for recovery of CFCS, HCFCS, and HFCS? - Answer-A
domestic refrigerator
What is the maximum normal charge of HCFC or HFC refrigerant in an appliance that is
allowed to use system dependent recovery equipment? - Answer-15 pounds
Which of the following statements about recycling and recovery equipment used for
stationary refrigeration is FALSE. - Answer-Purchases of such equipment must be
reported to the EPA.
A passive system-dependent recovery process for small appliances; - Answer-captures
refrigerant in a non-pressurized container
Which of the following does NOT meet the criteria for type 1 appliance certification? -
Answer-An MVAC like system that holds three pounds of R-12.
Which of the following is required when attaching a gauge set to check system
pressure? - Answer-Have manual or self-sealing valves on the ends of the gauge set
hoses to minimize any release of refrigerant.
refrigerant. New household refrigerators may be factory charged with any of the
following refrigerants, EXCEPT. - Answer-R-404A
All appliances must be equipped with a service aperture or process stub which is used
when adding or removing refrigerant from the appliance. What is typically used on small
appliances? - Answer-A straight piece of tubing that is entered using a piercing valve.
Permanent safety markings are Not required on which of the following areas on
household refrigerator using HC refrigerants? - Answer-On the inside of the refrigerator
door.
