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WorksheetsEPA Section 608 Type I_C
Total questions: 10
Worksheet time: 5mins
When installing any type of access fitting onto a sealed system the fitting should be __________ before proceeding with recovery.
on the evaporator
removed
on the condenser
leak tested
To ensure that all CFC, HCFC, or HFC refrigerant has been removed from a frost-free refrigerator, the __________ can be energized to increase the refrigerant's temperature and vaporize any liquid.
condenser fan motor
evaporator fan motor
defrost heater
compressor
Because __________ tend to leak over time, they should not remain on the refrigeration systems after completion of the repair.
A. schrader valves
B. solderless type piercing valves
C. service valves
D. all answers are correct
An appliance with an operating compressor and completely restricted capillary tube or metering device requires __________.
only one access valve on the low side of the system
only one access valve on the high side of the system
two access valves on the system
two access valves on the high side of the system
A __________ recovery process for small appliances can capture refrigerant in a non-pressurized container.
passive, self-contained
active, system-dependent
passive, system-dependent
active, self-contained
If the pressure in an appliance is at __________ after installing and opening a piercing access valve, the recovery procedure cannot begin.
0 psig
100 psig
10" Hg.
4" Hg.
When using the __________ recovery process and the compressor does not run, both the high and low side of the system must be accessed for refrigerant recovery.
system-dependent (passive)
system-dependent (active)
self-contained (passive)
self-contained (active)
The approximate pressure of an R-134a cylinder that does not contain any non-condensable impurities and is stored in a room at 80°F is equal to a pressure of __________.
57 psig.
77 psig.
87 psig.
67 psig.
__________ should be installed when recovering refrigerant from a household refrigerator or any other appliance to improve the speed of active recovery.
A. A low side access valve
B. A low side access valve
C. Both low and high-side access valves
D. A piercing valve
When using a self-contained (active) recovery device and there is a large volume of non-condensable gas in the refrigerant being recovered, excessive pressure can occur on __________ of the recovery machine and in the recovery cylinder.
the suction side
the high side
the low side
on both high and low sides
