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