Reusable refrigerant containers under high-pressure must be hydrostatically tested how often?
5 years
How much can a person be fined per day per vi... [Show More] olation for knowingly releasing a regulated substance that violates the Clean Air Act?
$44,539
HCFCs contain
Hydrogen, Chlorine, Fluorine, and Carbon
Which of the following refrigerants is an HFO?
R-1234ze
An ozone molecule contains;
Three oxygen atoms
Purity specification of new, recycled, or reclaimed R-134a must meet this standard:
AHRI Standard 700
For determining the Ozone Depletion Potential, ________ having been assigned a factor of 1.
CFC-12
Ozone Depletion Potential (ODP) is a measurement of a substance such as CFC's and HCFC's
ability to destroy ozone, and ranges from
0 to 1
Equipment with flammable refrigerants requires a _________ color marking on
all process tubes, service connections, and pipes through which a flammable refrigerant passes
RED
Several years of negotiations, an international agreement (treaty) regulating the
production and use of CFCs, HCFCs, halons, methyl chloroform and carbon tetrachloride
entered into force in mid-1989 resulted in what agreement
The Montreal Protocol
Remove refrigerant, in any condition, from a system and store it in an external
container to be put back into the same system
Recover
Clean refrigerant by separating the oil from the refrigerant and removing moisture
and other contaminants from the refrigerant by passing it through one or more filter driers is called what
Recycle:
To process refrigerant to a level equal to new (virgin) product specifications as
determined by chemical analysis.
Reclaim
To capture refrigerant with the assistance of components in the
appliance from which refrigerant is being recovered
"System-dependent
Has its own means to draw the refrigerant out of the appliance
Self-contained
refrigeration equipment used in agriculture, crop
production, oil and gas extraction, ice rinks, manufacture of frozen food, dairy products, food and
beverages, ice, petrochemicals, chemicals, machinery, medical equipment, plastics, paper, and
electronics.
Industrial Process Refrigeration
These are examples of what type of refrigeration: refrigerated warehousing and storage facilities, supermarkets,
grocery stores, warehouse clubs, supercenters, convenience stores, and refrigerated transport.
Commercial Refrigeration,
these are examples of:
air conditioning equipment, and others not listed.
Comfort Cooling,
when dehydrating a system a vacuum of how many microns should be reached?
500
The EPA requires that a refillable refrigerant cylinder MUST NOT BE
FILLED ABOVE _______of its capacity by weight
80%
When leak checking a system, NEVER pressurize the system with
oxygen or compressed
air
In the event of a "large" release of refrigerant in a confined area, ______________________________ is required
Self-Contained Breathing
Apparatus (SCBA)
Always review the ________________________ when working with any solvents, chemicals, or
refrigerants.
Safety Data Sheets (SDS)
Before shipping any used refrigerant cylinders, check that the cylinder meets ______
standards.
DOT
R-502 is a ______________ pressure refrigerant
HIGH
If a new recovery system purchased, the purchaser must report this information to the EPA. T/F
False
Appliances can be evacuated to atmospheric pressure ____________ if leaks make recovery
(evacuation) to the prescribed level unattainable.
0 PSIG
System-dependent recovery equipment
cannot be used on appliances containing more than ___________________of refrigerant.
15 pounds
REQUIRED LEVELS OF EVACUATION FOR
High-pressure appliance, or isolated component of such appliance, with a full charge of less than 200 lbs. of refrigerant. After November 15, 1993 0" Hg
0" Hg
A "major repair," according to EPA regulations, is defined as any maintenance, service or
repair involving the removal of: (Give one part)
the compressor, the
condenser, the evaporator or an auxiliary heat exchanger coil.
Appliances can be evacuated to atmospheric pressure ( ______psig) if leaks make recovery
(evacuation) to the prescribed level unattainable
0
REQUIRED LEVELS OF EVACUATION FOR High-pressure appliance, or isolated component of such appliance, with a full charge of 200 lbs. or more of refrigerant. After November 15, 1993
10" Hg
Anyone that services, repairs, or disposes of Type I, II or III equipment must have recovery
equipment and/or recycling equipment that is certified and labeled by an:
EPA-approved
equipment testing organization to meet EPA Standards
After recovery, refrigerant may be returned to the appliance from which it was removed or to
another appliance owned by the same person without being recycled or reclaimed. T/F
True
REQUIRED LEVELS OF EVACUATION FOR Medium-pressure appliance, or isolated component of such appliance, with a full charge of 200 lbs. or more of refrigerant. Before November 15, 1993
4" Hg
Refrigerant should be removed from the
condenser outlet if the condenser is _________ the receiver
Below
If you are recovering the refrigerant from a system and worried about loosing to much oil from the system, what state should the refrigerant be in when you remove it from the system.
vapor
REQUIRED LEVELS OF EVACUATION FOR Medium-pressure appliance, or isolated component of such appliance, with a full charge of 200 lbs. or more of refrigerant. After November 15, 1993
15" Hg
Technicians working with multiple refrigerants, before recovering and/or recycling a different
refrigerant, must __________ the recover/recycle equipment by recovering as much of the first
refrigerant as possible, change the filter, and evacuate.
purge
Removing the refrigerant in what form will speed up recovery time.
liquid
When an appliance containing 50 lbs. of a regulated refrigerant or
more leaks_________% or more, the owner must submit a report to EPA describing efforts to
identify leaks and repair.
125
REQUIRED LEVELS OF EVACUATION FOR
High-pressure appliance, or isolated component of such appliance, with a full charge of less than 200 lbs. of refrigerant. Before November 15, 1993
0" Hg
All records for leak inspections, initial verification, verification
tests and records of recovered refrigerant from equipment with 5 to 50 lbs. must be kept
for ______ years by the owner or operator.
3
All commercial and industrial process refrigeration (IPR) containing more than 50 lbs. of
refrigerant MUST be repaired when the annual leak rate is exceeds _________%
20
EPA regulations require all comfort cooling (air conditioning) appliances containing _______lbs. or more of a regulated refrigerant to have annual leak inspections to determine if the appliance is leaking.
50
An appliance must be repaired within ______ days when the annual leak
rate exceeds 10% of the total charge.
30
A leak-test must be performed after each repair attempt, and a follow-up verification leak-test must be conducted within _______ days of the
repair
10
A refrigeration unit using an open compressor that has not been used in several months is
likely to leak from the ___________________________.
rotating shaft seal.
Technicians maintaining, servicing, repairing or disposing of high-pressure to very highpressure appliances, except small appliances and motor vehicle air conditioning systems
(MVAC), must be certified as
Type II Technician or a Universal Technician.
Type II appliances that will not be repaired must be retrofitted or retired in _______________.
12 months [Show Less]
