SCRIPT 2026 QUESTIONS WITH SOLUTIONS
GRADED A+
◍ Refrigerant can not be called "reclaimed" unless it:.
Answer: has been chemically analyzed and the refrigerant meets the
ARI-700 purity standard.
◍ ODP.
Answer: Ozone Depletion Potential
◍ According to the EPA, when dealing with customer complaints regarding
additional costs due to refrigerant recovery efforts, the technician should:.
Answer: ◦explain that refrigerant recovery is necessary to protect human
health and the environment◦explain that refrigerant recovery is required by
federal(and in some cases state and local) laws◦inform the customer that
professional service personnel are duty bound to follow the law and to
protect the environment
◍ EPA regulations cover all AC and refrigeration equipment when containing
what?.
Answer: Any refrigerant or refrigerant substitute
◍ Refrigerant recovery during low ambient temperatures will:.
Answer: slow the recovery process
◍ Refrigerant cylinders should always be:.
Answer: ◦A) free of rust and damage◦B) color coded to indicate the
contents◦C) secure
◍ HYDROCHLORIC FLORICCARBON (HCFC) refrigerant contain?.
Answer: Hydrogen, chlorine, flourine and carbon
,◍ What are 6 Type II appliances?.
Answer: 1.Walk-in coolers2.Walk-in freezers3.Reach-in
refrigerators4.Reach-in freezers5.Residential & Commercial comfort
cooling systems6.Ice machines
◍ What is the definition of a Type II Appliance?.
Answer: High pressure or very high pressure appliances except for small
appliances and motor vehicle air conditioning. Refrigeration systems
containing more than 5 Lbs. of high or very high pressure refrigerants.
◍ According to EPA regulations, which of the following procedures is not an
approved technique for system cleanup after a burnout?.
Answer: Installing a suction-line filter-drier, flushing with liquid refrigerant
to clean tubing, triple evacuation, deep vacuum evacuation flushing with
liquid refrigerant to clean tubing
◍ When first inspecting a hermetic system known to be leaking, you should.
Answer: look for traces of oil because this is an excellent indication of leaks.
◍ Refrigerant migrates to the compressor crankcase because of a difference in
__________ between the refrigerant and the oil..
Answer: vapor pressure
◍ In relation to the three "R's" what is Recycle?.
Answer: To clean refrigerant for reuse by seperating the oil from the
refrigerant and removing moisture from the refrigerant by passing it through
one or more filter dryers.
◍ State and local governments may establish laws that contain:.
Answer: State and local governments may establish laws that contain
◍ Recycling and recovery equipment intended for use with air-conditioning
and refrigeration equipment (except for small appliances) must be tested
under:.
Answer: ARI 740
◍ Before you dispose of any system containing a refrigerant, you must:.
, Answer: recover the refrigerant
◍ The synthetic lubricant presently used with ternary blends is:.
Answer: alkylbenzene.
◍ Capturing and ultimately eliminating the use of chlorofluorocarbons is:.
Answer: being done in the United States to stop damage to the stratospheric
ozone layer.
◍ PSIA is the abbreviation for another similar unit of pressure measurement
and it stands for Pounds per Square Inch Absolute..
Answer: Atmospheric pressure is about 14.7 PSIA (the actual reading
depends on the altitude and weather conditions). A pressure reading on a
gauge, which displays in PSIA, is about 14.7 greater than the same pressure
reading on a pressure gauge which displays in PSIG.
◍ Mineral Oils are used with?.
Answer: All CFC's
◍ Service technicians who violate Clean Air Act provisions can be.
Answer: fined, lose their certification, and face federal charges and fines.
◍ What factor(s) affects the speed of evacuation?.
Answer: ◦A) the size of the equipment being evacuated◦B) the ambient
temperature◦C) the amt of moisture in the system
◍ __________ refrigerant recovery devices must be equipped with low-loss
fittings, which are fittings that are used to connect the recovery device to an
appliance and which can be either manually closed or which closes
automatically when disconnected to prevent loss of refrigerant from hoses..
Answer: Since November 15, 1993
◍ Which of the following is an approved "drop-in" service replacement for
R-12? HFC-134a, HFC-410a, R-407c, according to the EPA there are no
"drop-in" replacements.
Answer: according to the EPA there are no "drop-in" replacements
◍ Of the items listed below, which is (are) violation(s) of the clean air act?.
, Answer: falsifying or failing to keep required records. failing to reach
required evacuation levels before opening or disposing of appliances.,
knowingly releasing CFC or HCFC refrigerants or their substitutes while
preparing appliances all of the above
◍ If corrosion is found within the body of a relief valve, the valve must be:.
Answer: replaced
◍ An award of up to what amount may be paid to a person supplying
information that leads to a penalty against a technician who is intentionally
venting?.
Answer: $10,000
◍ Which compound are the most damaging to the stratospheric ozone layer
and have the highest ozone depletion potential rating?.
Answer: CFCs
◍ Never use oxygen or compressed air to leak-check hardware because.
Answer: some refrigerants, when mixed with air or oxygen, can explode.
◍ Enough vapor has entered the system and you may begin charging liquid
refrigerant when the refrigerant saturation temperature increases to?.
Answer: 36F
◍ During servicing of a refrigeration system containing R-12, the refrigerant
must be:.
Answer: recovered
◍ Violation of the Clean Air Act, including the knowing release of refrigerant
during the maintenance, service, repair, or disposal of appliances, can result
in fines up to.
Answer: $32,500 per day per violation.
◍ When transporting cylinders containing used refrigerants DOT REQUIRES
that you:.
Answer: attach DOT classification tags
◍ According to EPA regulations, which of the following is procedures is not