EPA 609 Practice
An award of up to ______ may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting.
$10,000
EPA is authorized to assess fines of up to ______ per day per violation for any violation of the act
$37,500
HFC-134a refrigerant has an Ozone Depletion Potential of:
0.0
Average ozone concentration in Earth's atmosphere as a whole is only about ______ parts per million
0.3
Each chlorine ion can able to destroy ______ ozone molecules
100,000
One chlorine or bromine radical liberated has the capability to act as catalyst and breakdown _____ number of ozone molecules in stratosphere:
100,000
Recovery cylinders are painted yellow in the shoulder area and _____ down the side
12 inches
Moisture level in Recycled R-12 (CFC-12) that has been directly removed from, and intended to be returned to, a mobile air-conditioning system cannot exceed _______ PPM by weight.
15
The Clean Air Act (CAA) of ______ directs EPA to establish requirements to prevent the release of ozone depleting substances.
1990
The sale of small containers of refrigerant under _____., including the one pound cans, are restricted to only people certified in Section 609.
20 lb
The sale of small containers of refrigerant under _______, including the one pound cans, are restricted to only people certified in Section 609
20 lb
Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than _______
20 lbs
Any person who sells or distributes any Class I or Class II substance in a container of less than _________ of such refrigerant must verify that the purchaser is Properly Trained and 609 Certified and must retain a record.
20 pounds
Disposable Refrigerant Tanks, under _______ must be evacuated before being scrapped
20 pounds
Lifetime of CFCs is believed to range from _____ years
20-100
External Recovery Tanks must be evacuated to ______ of mercury before being put into service
27 inches
The empty refillable refrigerant tank must be evacuated to a minimum vacuum of ______ of mercury
27 inches
As per the CAA, all records related to entities of MVAC system services must be maintained for ________ years
3
The CO2 system would be acceptable to the EPA under the condition that MVAC system was designed to avoid concentrations in the passenger cabin that are above _____ for more than 15 minutes
3%
HFC-152a MVAC systems are acceptable if MVAC systems must be designed to avoid concentrations in the passenger cabin that are above ______ for more than 15 seconds.
3.7%
MVAC systems being disposed must be evacuated to _____ of mercury before being scrapped
4 inches
Prior to scrapping MVAC equipment the refrigerant must be recovered to a minimum vacuum of _______ of mercury
4 inches
The AHRI standard now contains the new specification to limit unsaturated impurities in HFC-134a to a maximum level of ________
40 ppm
The per the AHRI standard unsaturated impurities in HFC-134a to be limited to a maximum level of _______:
40 ppm
A floor tax also applies to anyone holding ______ or more of the regulated CFCs
400 lb.
Moisture content in recycled R-134a (HFC-134a) that has been directly removed from and intended to be returned to a mobile air-conditioning system cannot exceed _______ by weight
50 PPM
Over the road refrigeration units and R-22 (HCFC) air conditioning, such as that found in buses, also requires Section ______ certification
608
Ozone layer extends at Earth's altitude between _____
7 and 30 miles
A refillable refrigerant cylinder must not be filled above ______ of its full capacity.
80%
______ of stratospheric chlorine comes from ozone-depleting substances
82%
Stratosphere layer consists of about _____ of the available Ozone:
90%
Countries responsible for approximately ______ of the world's production capacity for CFCs and halons have signed the Montreal Protocol
95%
Purity specification of new, recycled or reclaimed R-134a must meet _____ standard:
AHRI Standard 700
CFCs deplete stratospheric ozone and that a "hole" had developed in the ozone layer over ______
Antarctica
On _______, the U.S. EPA enacted the provisions of this agreement into regulations for the United States
Aug 1, 1988
According to ______, service shops must certify to the EPA that they own approved recovery equipment
CAA
R-12 is a ______ type of refrigerant
CFC
For determining the Ozone Depletion Potential ________ having been assigned a factor of 1
CFC-11
Which of the following has the Ozone Depletion Potential (ODP) value of 1
CFC-11
Which of the following are most stable in lower atmospheres of Earth:
CFCs
Which of the following refrigerants has high ozone-depletion potential:
CFCs
R-152a is a chemical compound composed of which of the following: (Multiple Answer Question)
Carbon, Hydrogen, Fluorine
R-152a refrigerant chemical compound does not composed of which of the following:
Chlorine
Disposable cylinders are manufactured to specifications established by:
DOT
Which of the following are associated with risk of depletion of ozone layer: (Multiple Answer Question)
Damage to agriculture and wildlife, increase in skin cancers, increased global warming, and damage to aquatic organisms
CFC refrigerants are chemically highly unstable:
False
EPA does require a leak to be repaired prior to recharging a motor vehicle air conditioning system
False
Ester-based synthetic oils can be mixed with other oils
False
Every refrigerant cylinder need not be protected by some type of pressure relief device:
False
If a technician is already trained and certified to handle CFC-12, he has to be re-certified to handle HFC-134a
False
MVAC systems need not be evacuated to a vacuum before servicing
False
Most halogenated compounds will decompose at room temperature:
False
Ozone at ground level and at Stratosphere is a harmful pollutant
False
Ozone layer is present in both Stratosphere and mesosphere layers of earth's atmosphere:
False
R- 134a is a corrosive refrigerant:
False
R-134a is flammable at ambient temperatures and atmospheric pressures
False
R-134a refrigerant does pose a cancer or birth defects hazard
False
Refrigerants are lighter than air:
False
Refrigerants are lighter than the air:
False
Refrigerants may be mixed in recovery cylinders:
False
The U.S. EPA does characterize used refrigerants as hazardous waste
False
Which of the following will not react with ozone gas:
Fluorine
HFC-134a contribute to which of the following:
Global Warming
_______ has replaced CFC-12 in all automotive applications
HFC-134a
Which of the following refrigerants has minimum or zero ozone depletion potential:
HFCs
Which of the following are the causes of Ozone Layer Depletion:
Hydrochlorofluorocarbons, Volcanic eruptions, and Chlorofluorocarbons
Which of the following in refrigerant makes them chemically less stable once they enter the atmosphere
Hydrogen
Since ________, it is no longer legal for CFCs to be manufactured or imported into the United States
Jan 1, 1996
Since _______, it has been mandatory to recycle HFC-134a as well as any other automotive refrigerant before returning to that MVAC or sold:
Jan 29, 1998
CFCs manufacture was discontinued as of _______
January 1, 1996
Since _____, it is illegal to vent substitutes for CFC and HCFC refrigerants
Nov 15, 1995
Since ______, it has been illegal to vent substitutes for CFC 3. and HCFC refrigerants:
Nov 15, 1995
Since _______, it has been illegal to vent substitutes for chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs) refrigerants:
November 15, 1995
Chlorine reacts with ozone and converts ozone to:
Oxygen
Ozone in the Earth's stratosphere is created by UV light striking _____ molecule
Oxygen
HFC-134a, is the refrigerant that replaced _______ in automotive air conditioning systems
R-12
Which of the following is the example of HFCs:
R-134a
Which of the following refrigerant has a molecular formula is C2H4F2:
R-152a
______ has recently been approved for use in automobile applications as an alternative to R-134a
R152a
The _________ has developed a standard for recovery and recovery/recycling machines that are to be used with flammable refrigerants.
SAE
______ has developed standards that apply to the recovery and recycling of motor vehicle refrigerant as well as service guidelines for MVAC technicians.
SAE
Persons servicing MVACs do not have this choice they must be certified as _______ MVAC technicians if they perform the AC service for compensation.
Section 609
Montreal Protocol is signed in ______ by 23 counties including USA
Sep 1987
At present there is no restriction on the sale of HFC-134a
True
HFCs and HCFCs decompose when released in the lower atmosphere:
True
HFCs contributes to the global warming:
True
Halons were completely phased out by 1994
True
Ozone at ground level is a harmful pollutant
True
Ozone depletion increases global warming
True
Ozone is an unstable molecule:
True
R-134a is a chlorine-free refrigerant
True
R-134a refrigerant has low solubility in non-polar lubricants
True
Refrigerants that contain chlorine but not hydrogen are stable
True
Technicians who repair or service HFC-134a MVACs must be trained and certified by an EPA-approved organization
True
The primary cause of over-pressurization of refrigeration cylinder is due to overheating
True
The thermodynamic properties of HFC-134a are similar to CFC-12
True
Ultraviolet radiation breaks down the CFCs and frees the chlorine ion
True
Under these safe disposal requirements as per the EPA, the final person in the disposal chain, is responsible for ensuring that the refrigerant is recovered from the equipment before the final disposal of the equipment:
True
Used cylinders can be recycled with other scrap metal
True
The Global Warming Potential is reported relative to _______:
carbon dioxide
_______ is the key agent responsible for stratospheric ozone depletion
chlorine monoxide
Refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds _______
either Section 608 or Section 609 certification
The internal pressure of a refrigerant cylinder with one ounce of liquid refrigerant is _______ full cylinder:
exactly the same as
With the rising cost of refrigerant, the value of the refrigerant stored in a 50-lb. recovery tank is worth _______ the cost of a recovery tank
five times
Refrigeration cylinders must be re-tested at ______ intervals
five-year
Skin or eye contact with fluorocarbon refrigerants can result in:
frostbite, irritation, or fatality
Hydrofluorocarbons (HFCs) contributes to which of the following:
global warming
Non-condensables in a refrigeration system result in a _______ discharge pressure
higher
At high temperatures, CFC-12 can decompose to form _______
hydrochloric and hydrofluoric acid
R-134a disposable refrigerant cylinder is ________ color coded:
light blue
Service technicians who violate Clean Air Act provisions can be:
lose their certification, fined, and face federal charges
CFCs are highly reactive in _____ of atmosphere
lower
Use of Carbon dioxide (R-744) refrigerant results into a ______ efficiency cycle:
much lower
Supplies of CFC refrigerant for equipment servicing can ONLY come from which of the following:
recovery, reclamation, and recycling
After reaching the required recovery vacuum on an system, if the system pressure _____, indicating that there is either refrigerant in liquid form, refrigerant trapped in the oil, or a leak in the system.
rises
Disposable cylinders are manufactured from:
steel
The "ozone layer" consists of ozone in which part of the atmosphere:
stratosphere
Ozone molecule consists of ______ atoms of oxygen
three
Ozone layer absorbs and scatters ________ from the sun
ultraviolet light
The color code for R-12 disposable refrigerant cylinders is ______
white