Which of the following must be recorded on the label of A2L equipment upon the
completion of a system installation?
Date that the pressure test and evacuation was completed.
Manufacturer's technician support phone number or website.
Number of technicians on this jobsite.
Technician's EPA certification number.
Give this one a try later!
Date that the pressure test and evacuation was completed.
Which of the following is classified as an A2L refrigerant?
,R-290
R-441A
R-744
R-1234yf
Give this one a try later!
R-1234yf
The first stage of the evacuation process which removes non-condensables from a
system is called:
degassing.
dehydration.
recovery.
Recycling.
Give this one a try later!
recovery
When a technician is disposing of a piece of equipment that was charged with a
flammable refrigerant, it must have a label affixed to it which states:
the date that the equipment was decommisioned and the refrigerant was recovered.
the equipment manufacturer and where it was purchased.
, the disposal location and the reason for disposal.
the location where the equipment was installed, and where it was disposed of.
Give this one a try later!
the date that the equipment was decommisioned and the refrigerant was
recovered.
When using a flammable refrigerant as a trace gas for leak detection, the amount must
not exceed:
10% of the upper explosive limit (UEL) of the refrigerant..
25% of the lower flammability limit (LFL) of the refrigerant..
25% of the upper explosive limit (UEL) of the refrigerant.
35% of the lower flammability limit (LFL) of the refrigerant.
Give this one a try later!
25% of the lower flammability limit (LFL) of the refrigerant..
Refrigerants that have a lowercase designation, such as R-134a, indicates a(n):
Azeotrope blend.
Isomer.
Olefin.
completion of a system installation?
Date that the pressure test and evacuation was completed.
Manufacturer's technician support phone number or website.
Number of technicians on this jobsite.
Technician's EPA certification number.
Give this one a try later!
Date that the pressure test and evacuation was completed.
Which of the following is classified as an A2L refrigerant?
,R-290
R-441A
R-744
R-1234yf
Give this one a try later!
R-1234yf
The first stage of the evacuation process which removes non-condensables from a
system is called:
degassing.
dehydration.
recovery.
Recycling.
Give this one a try later!
recovery
When a technician is disposing of a piece of equipment that was charged with a
flammable refrigerant, it must have a label affixed to it which states:
the date that the equipment was decommisioned and the refrigerant was recovered.
the equipment manufacturer and where it was purchased.
, the disposal location and the reason for disposal.
the location where the equipment was installed, and where it was disposed of.
Give this one a try later!
the date that the equipment was decommisioned and the refrigerant was
recovered.
When using a flammable refrigerant as a trace gas for leak detection, the amount must
not exceed:
10% of the upper explosive limit (UEL) of the refrigerant..
25% of the lower flammability limit (LFL) of the refrigerant..
25% of the upper explosive limit (UEL) of the refrigerant.
35% of the lower flammability limit (LFL) of the refrigerant.
Give this one a try later!
25% of the lower flammability limit (LFL) of the refrigerant..
Refrigerants that have a lowercase designation, such as R-134a, indicates a(n):
Azeotrope blend.
Isomer.
Olefin.
