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1. What is typically used on small appliances as a service a. A straight piece of tub-
aperture or other device for adding or removing re- ing that is entered using a
frigerant? piercing access tube.
a. A straight piece of tubing that is entered using a
piercing access tube.
b. A line located 15 inches below the compressor.
c. A valve installed at the factory which has a ¼ inch
diameter and machine threads.
d. A service aperture is not present because small
appliances are exempt from this requirement.
2. What type of appliances are technicians certified to a. Appliances containing
service after passing the type 1 examination? 5 pounds or less of re-
a. Appliances containing 5 pounds or less of refriger- frigerant that have been
ant that have been hermetically sealed and charged hermetically sealed and
at the factory. charged at the factory.
b. Split systems containing 5 pounds or less of refrig-
erant that have been hermetically sealed and charged
at the factory.
c. Appliances containing 5 pounds or less of refrig-
erant that have an open drive compressor and have
been charged at the factory.
d. Motor vehicle air conditioning equipment.
3. What type of certification is required for persons re- c. Type I technician.
covering CFC's, HCFCs, or HFCs during maintenance,
service, or repair of small appliances.
a. Type II technician.
b. Type III technician.
c. Type I technician.
d. Technician who has passed the core exam.
, EPA SECTION 608 TYPE I, TYPE II , TYPE III
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4. EPA Section 608 rules require capture of 80% of the c. either a passive or an
HCFC and HFCs from a small appliance sealed systems active recovery process.
with a non-operating compressor if technicians are
using;
a. a system-dependent (passive) process.
b. a self-contained (active) process.
c. either a passive or an active recovery process.
d. neither recovery process.
5. Which of the following does NOT meet the criteria for a. A MVAC-like system that
Type 1 appliance certification? holds three pounds of
a. A MVAC-like system that holds three pounds of R-12.
R-12.
b. a water cooler that holds 13 ounces of R-22
c. a food freezer that holds 22 ounces of R-134a
d. A dehumidifier that holds seven ounces of R-410A
6. What of the following are included in EPA's definition a. Products fully manufac-
of "small appliance?" tured, charged, and her-
a. Products fully manufactured, charged, and hermet- metically sealed in a facto-
ically sealed in a factory. ry.
b. Products having 15 pounds or less of refrigerant.
c. Products with compressors under ½ horsepower.
d. Fully charged components ready for installation in
a split system.
7. Which of the following is an approved substitute re- a. R-600a
frigerant for new household refrigerators, freezers,
and combination refrigeration/freezers?
a. R-600a
b. R-1234yf
, EPA SECTION 608 TYPE I, TYPE II , TYPE III
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c. R-1234zd
d. R-170
8. Which hydrocarbon refrigerant is approved for retrofit d. Hydrocarbons are not
into existing household refrigerators? approved for retrofit ap-
a. HC R-600a 2 ounces or less plications
b. Blended HC R-441A
c. HC R-290 1 lb. or less
d. Hydrocarbons are not approved for retrofit applica-
tions
9. Recovery devices for use with small appliances con- a. Recovering 90% of the
taining CFCs, HCFCs, and HFCs must meet which of the refrigerant when the com-
following requirements? pressor is operating or
a. Recovering 90% of the refrigerant when the com- achieving a 4-inch vacu-
pressor is operating or achieving a 4-inch vacuum um under the conditions
under the conditions of AHRI 740. of AHRI 740.
b. Recovering 80% of the refrigerant when the com-
pressor is operating.
c. Recovering 95% of the refrigerant when the com-
pressor is operating or achieving a 10-inch vacuum
under the conditions of AHRI 740.
d. Recovering 75% of the refrigerant when the com-
pressor is operating.
10. What is the approximate pressure of a storage cylin- b. 87 psig
der of recovered R-134a that does not contain any
non-condensable impurities and is stored in a room
where the temperature is 80°F?
a. 37 psig
b. 87 psig
, EPA SECTION 608 TYPE I, TYPE II , TYPE III
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c. 157 psig
d. 207 psig
11. Before beginning a refrigerant recovery procedure, it b. know the type of refrig-
is ALWAYS necessary to; erant that is in the system.
a. allow the appliance to stabilize at room tempera-
ture.
b. know the type of refrigerant that is in the system.
c. remove the appliance to an outdoor location.
d. disconnect the appliance from its power source.
12. A passive system-dependent recovery process for c. captures refrigerant in a
small appliances; non-pressurized contain-
a. still uses a pump to recover refrigerant. er.
b. must use a pressure relief device when recovering
refrigerant.
c. captures refrigerant in a non-pressurized container.
d. can only be performed on a system with an operat-
ing compressor.
13. For which of the following refrigeration systems/appli- d. A domestic refrigerator
ances would it be permissible to use a passive recov-
ery device for recovery of CFCs, HCFCs, and HFCs?
a. A centrifugal air conditioner
b. A reciprocating liquid chiller
c. A single compressor large commercial walk-in freez-
er
d. A domestic refrigerator
14. What is the maximum normal charge of HCFC or HFC c. 15 pounds
refrigerant in an appliance that is allowed to use sys-
tem dependent recovery equipment?
a. 5 pounds