EPA Section 1: Questions & Solutions (100% Accurate)
Technicians who perform sealed system service on small appliances must
have; Right Ans - Type I or Universal certification.
A small appliance is defined by EPA as; Right Ans - Appliances
manufactured, charged, and hermetically sealed in a factory with 5 Lbs or less
of refrigerant
Type I Certification is required for; Right Ans - persons handling
refrigerant during maintenance, service, or repair of small appliances
If regulations change after the technician becomes certified; Right Ans -
The technician is responsibility for complying with any future changes in the
regulations.
Recovery equipment manufactured after November 15, 1993 must be;
Right Ans - capable of recovering 90% of the refrigerant in the compressor os
operating; 80% of refrigerant if its not or 4 inches of vaccum
Which of the following is true of small appliances refrigerant leaks; Right
Ans - EPA does not require repair, but leaks should be repaired whenever
possible.
Recovery equipment manufactured after November 15, 1993 must be capable
of recovering; Right Ans - 90% refrigerant or or achieving 4 inches of
vacuum.
Recovering multiple types of refrigerants in the same cylinder; Right Ans -
will make the reclaimed refrigerants non reclaimable and a charge for
disposal may be levied.
Self-contained or active recovery equipment; Right Ans - Has its own
means of recovery.
System-dependant or passive recovery equipment; Right Ans - Captures
refrigerant into a non-pressurized container with assistance of the appliance
compressor.
, What is defined as a non-condensible? Right Ans - Air
When using a system-dependent recovery system on an appliance that has an
operating compressor, the technician should; Right Ans - Run the
compressor and recover from the high side of the system.
When using a system-dependent recovery system on an appliance that has a
non-operating compressor, the technician should; Right Ans - Place access
fitting on both the low and high side of the system.
System-dependant devices may only be used on appliances containing;
Right Ans - 15 pounds of refrigerant or less.
Small appliances are equipped with a straight piece of tubing (process stub)
used to; Right Ans - install a piercing type access valve fitting.
If a strong odor is detected while performing the recovery process, Right
Ans - A compressor burnout has likely occurred.
After the refrigerant has been recovered, which of the following can be used to
flush the system? Right Ans - Nitrogen
When filling a charging cylinder with a regulated refrigerant; Right Ans -
The refrigerant vapor that is vented off the top of the cylinder must be
recovered.
If after installing a fitting for the purpose of recovering the appliances
refrigerant, you find that the system pressure is 0 psig; Right Ans -
Recovery is not required.
Applying heat with a heat gun to the compressor; Right Ans - can help
vaporize any trapped liquid refrigerant during recovery.
Refrigerators in the 1950's and earlier may have used what refrigerants
(recovery is not required)? Right Ans - Methyl Formate, Methyl Chloride, or
Sulfur Dioxide.
Technicians who perform sealed system service on small appliances must
have; Right Ans - Type I or Universal certification.
A small appliance is defined by EPA as; Right Ans - Appliances
manufactured, charged, and hermetically sealed in a factory with 5 Lbs or less
of refrigerant
Type I Certification is required for; Right Ans - persons handling
refrigerant during maintenance, service, or repair of small appliances
If regulations change after the technician becomes certified; Right Ans -
The technician is responsibility for complying with any future changes in the
regulations.
Recovery equipment manufactured after November 15, 1993 must be;
Right Ans - capable of recovering 90% of the refrigerant in the compressor os
operating; 80% of refrigerant if its not or 4 inches of vaccum
Which of the following is true of small appliances refrigerant leaks; Right
Ans - EPA does not require repair, but leaks should be repaired whenever
possible.
Recovery equipment manufactured after November 15, 1993 must be capable
of recovering; Right Ans - 90% refrigerant or or achieving 4 inches of
vacuum.
Recovering multiple types of refrigerants in the same cylinder; Right Ans -
will make the reclaimed refrigerants non reclaimable and a charge for
disposal may be levied.
Self-contained or active recovery equipment; Right Ans - Has its own
means of recovery.
System-dependant or passive recovery equipment; Right Ans - Captures
refrigerant into a non-pressurized container with assistance of the appliance
compressor.
, What is defined as a non-condensible? Right Ans - Air
When using a system-dependent recovery system on an appliance that has an
operating compressor, the technician should; Right Ans - Run the
compressor and recover from the high side of the system.
When using a system-dependent recovery system on an appliance that has a
non-operating compressor, the technician should; Right Ans - Place access
fitting on both the low and high side of the system.
System-dependant devices may only be used on appliances containing;
Right Ans - 15 pounds of refrigerant or less.
Small appliances are equipped with a straight piece of tubing (process stub)
used to; Right Ans - install a piercing type access valve fitting.
If a strong odor is detected while performing the recovery process, Right
Ans - A compressor burnout has likely occurred.
After the refrigerant has been recovered, which of the following can be used to
flush the system? Right Ans - Nitrogen
When filling a charging cylinder with a regulated refrigerant; Right Ans -
The refrigerant vapor that is vented off the top of the cylinder must be
recovered.
If after installing a fitting for the purpose of recovering the appliances
refrigerant, you find that the system pressure is 0 psig; Right Ans -
Recovery is not required.
Applying heat with a heat gun to the compressor; Right Ans - can help
vaporize any trapped liquid refrigerant during recovery.
Refrigerators in the 1950's and earlier may have used what refrigerants
(recovery is not required)? Right Ans - Methyl Formate, Methyl Chloride, or
Sulfur Dioxide.
