What type of appliances are technicians certified to charge and open after passing the Type 1 examination?
Appliances containing 5 pounds or less of refrigerant that have been hermetically sealed and charged at the factory
.
What type of appliance are technicians?
An Appliance Repair Technician has a variety of duties, however, in general, they are tasked with
installing, adjusting and repairing any number of home or commercially used appliances
. Most often, you will work on refrigerators, ovens, washing machines, clothes dryers and sometimes, microwaves and vacuum cleaners.
What type of certification is required for persons recovering CFC HCFC HFC?
Persons who maintain, service or repair small appliances must be certified as Type I technicians. Persons, who maintain, service, repair or dispose of high or very high-pressure appliances, except small appliances and motor vehicle air conditioning systems, must be certified as
Type II technicians
.
Who must certify recovery equipment used during maintenance service or repair of small appliances that use CFCs?
Who must certify recovery equipment used during maintenance, service or repair of small appliances that use CFCs, HCFCs, and HFCS?
An EPA-approved laboratory
. When servicing a small appliance found to be leaking it is; not mandatory to repair the leak but it is recommended to do so whenever possible.
Who must certify recovery equipment?
Section 608 of the Clean Air Act requires all refrigerant recovery equipment be certified by
an EPA-approved testing organization
to assure that the equipment meets EPA standards based on the test method established by AHRI Standard 740.
How much do appliance repair technicians make?
| Percentile Salary Location | 10th Percentile Appliance Repair Technician Salary $29,480 US | 25th Percentile Appliance Repair Technician Salary $37,736 US | 50th Percentile Appliance Repair Technician Salary $46,804 US | 75th Percentile Appliance Repair Technician Salary $56,875 US |
|---|
What refrigerant is very high pressure and does not need to be recovered?
Co2 refrigerant R-744 (Carbon dioxide)
is a very high-pressure refrigerant and generally does not need to be recovered.
Which condition requires accessing both the high and low side of the system for refrigerant recovery?
using the system dependent (passive) recovery process, which condition requires accessing both the high and low side of the system for refrigerant recovery?
it is necessary to heat the compressor and strike it with a rubber mallet.
What may be done to speed the recovery process?
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?
Turn on the defrost heater to increase the refrigerant’s temperature and vaporize any liquid
.
What is the maximum allowable Factory charge of refrigerant for type 1?
The maximum normal charge of HCFC or HFC refrigerant in an appliance that is allowed to use system dependent recovery equipment, is
15 pounds
.
Which refrigerants must be recovered before opening or disposing of appliances?
Chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs)
have which of the following in common? They must be recovered before opening or disposing of appliances. After 1995, supplies of CFC refrigerant for equipment servicing will come from; recovery and recycling.
Do all refrigerants need to be recovered?
Refrigerants should only be reclaimed if the ownership has changed
. All manufacturers and importers of refrigerant recovery equipment are required to have their equipment tested by an EPA-approved organization to lessen the involved hazards.
How frequently must reusable containers for refrigerants that are under high pressure?
Correct answer is D:
5 years
. Reusable refrigerant containers that are normally under any pressure above 15 psig, must be hydrostatically tested and date stamped every 5 years.
When recovering refrigerant into a non pressurized container from a refrigerator?
Which of the following refrigerants is most commonly used as a replacement for R-12 in new household refrigerators? When recovering refrigerant into a non-pressurized container from a refrigerator with an inoperative compressor:
it is necessary to heat and strike the compressor with a rubber mallet
.
When a pungent odor is detected during a sealed system recovery?
Small amounts of refrigerant have no odor, therefore if a pungent odor is detected during a system recovery and/or repair:
A compressor burn out has likely occurred
.
Why does a pressure drop not necessarily indicate a refrigerant leak?
Why does a pressure drop not necessarily indicate a refrigerant leak? It
may be indicating a temperature change
. … When calculating the effect of temperature change on a standing charge: Always use absolute pressure and temperature.
