EXAM QUESTIONS AND VERIFIED
CORRECT ANSWERS GRADED A+
[LATEST 2026-2027] 100%
GUARANTEED
The fill level of a recovery cylinder can be determined by __________. - CORRECT ANSWER-a.
mechanical-float or electronic shut-off devices
b. the weight of the cylinder
Before recharging any flammable hydrocarbon or HFO refrigerant, always ___________. -
CORRECT ANSWER-a. electronically ground the recovery machine and recovery tank, and verify
the refrigeration system is grounded
b. install a fresh filter drier, successfully complete a
standing-pressure leak
A small appliance is defined as a system that is __________. - CORRECT ANSWER-
manufactured, fully charged, and hermetically sealed in a factory with a charge of 5 pounds or
less
, __________ is an approved refrigerant for new household refrigerators, freezers, and
combination refrigeration/freezers. - CORRECT ANSWER-R-600a
The hydrocarbon refrigerant approved for retrofit into existing household refrigerators is
__________. - CORRECT ANSWER-none.
Hydrocarbons are not approved for any retrofit applications
Recovery devices for use with small appliances must be capable of ________. - CORRECT
ANSWER-recovering 90% of the refrigerant when's the compressor is operating
Recovery equipment is certified by _________. - CORRECT ANSWER-an EPA-approved
laboratory
When recovering refrigerant from small appliances, you must recover _________. - CORRECT
ANSWER-at least 80% of the refrigerant with an inoperative compressor and 90% of the
refrigerant with an operative compressor
The sale of reclaimed CFC, HCFC, HFC, and HFO refrigerants is ___________. - CORRECT
ANSWER-restricted to technicians who are EPA certified in refrigerant recovery
A process stub is a ________. - CORRECT ANSWER-straight piece of tubing that is entered using
a piercing access valve
Small appliance servicing requires a _________ or Universal certification. - CORRECT ANSWER-
Type I
If a recovery cylinder is suspected to be contaminated, measure the ___________. - CORRECT
ANSWER-pressure of the refrigerant in the cylinder