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Epa 609 Technician Certification
- T/F Ozone at ground level ans at Stratosphere is a harmful pollutant
FALSE
- For determining the Ozone Depletion Potential __________ having been assigned a factor of 1
CFC- 11
- Ozone layer absorbs and scatters __________ form the sun
Ultraviolet light
- T/F R-134 is a chlorine-free refrigerant
TRUE
- a refillable refrigerant cylinder must not be filled above _________ of its full capacity
80%
- T/F Ester-based synthetic oils can be mixed with oils
FALSE
- An award of up to ___________ may be paid to a person suppplying information that leads to a penalty against a technician who is intentially venting
$10,
- MVAC systems being disposed must be evacuated to _____________ of mercury before being scrapped
4 INCHES
- Since _______________ it is no longer legal for CFCs to be manufactured or imported into the United States
JAN 1ST, 1996
- Since ___________________ it is illegal to vent substitutes for CFC and HCFC refrigerants
NOV 15, 1995
- Each chlorine ion are able to destroy ___________________ ozone molecules
100,
- Lifetime of CFSs is believed to range from ________ years
- 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
- At high temperature CFC-12 can decompose to form _____________
hydrochloric or hydrofluoric acid
- T/F Refrigerants are light than air
FALSE
- T/F Every refrigerant cylinder need not be protected by some type of pressure relief device
FALSE
- Stratosphere layer consists of about ____________ of the available Ozone:
90%
24.CFC are highly reactive in _______________ of atmosphere
lower levels
25.HFC-134a is the refrigerant that replaced _____________ in automotive air conditioning systems
R- 12
- R-152 is a chemical compound of which of the following:
HYDROGEN AND FLUORINE
- T/F R-134a a refrigerant does pose a cancer or birth defect hazard
FALSE
- T/F MVAC systems need not be evacuated to a vacuum before servicing
FALSE
- Disposable Refrigerant Tanks under _______________ must be evacuated before being scrapped
20 POUNDS
- Supplies of CFC refrigerant for equipment servicing can ONLY come from which of the following:
RECOVERY, RECYCLING, RECLAMATION
FALSE
- _________ has recently been approved for use in automobile applications as an alternative to R-134a
R152A
- The Global Warming Potential is reported relative to ______________________
carbon dioxide
- CFCs deplete stratospheric ozone and that a hole has developed in the ozone layer over
ANTARTICA
41.R-12 is a _______________ type of refrigerant
CFC
- T/F HFCs and HCFCs decompose when released in lower atmosphere
TRUE
- T/F HFCs contributes to global warming
TRUE
- EPA is authorized to assess fines of up to ________ per day per violation for any violation of the act
37,
- A floor tax also applies to anyone holding __________________or more of the regulated CFCs
400 lb
- T/F At present there is no restriction on the sale of HFC-134a
TRUE
47.T/F Ultra violet radiation breaks down the CFCs and frees the chlorine ion
TRUE
48.Hydrofluorocarbons (HFCs) contributes to which of the following?
GLOBAL WARMING
- T/F R-134A is a flammable at ambient temperatures and atmospheric pressures
:FALSE
- As per the CAA all records related to entities of MVAC system services must be maintained for ________________________ years
3
- Since _____________ it has been illegal to vent substitutes for CFC 3 and HCFC refrigerants
NOV 15 1995
- 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
- Montreal Protocol is signed in ________________ by 23 countries including USA
Sep 1987
- T/F Halons were completely phased out by 1994
True
- HFC-134a refrigerant has an Ozone Depletion Potential of:
0
- T/F R-134a refrigerant has low solubility in non-polar lubricants
TRUE
- Use of Carbon Dioxide (R-744) refrigerant results in a _________________ efficiency
MUCH LOWER
- R-134a disposable refrigerant cylinder ________________ color coded:
LIGHT BLUE
- Disposable cylinder are manufactured to specifications established by:
DOT
- Disposable cylinders are manufactured from:
STEEL
- Recovery cylinders are painted yellow in the shoulder area and ______________ down the side
12 INCHES
- 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
- After reaching the required recovery vacuum on a 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
- T/F R-134a is a corrosive refrigerant
FALSE
- With the rising cost of refrigerant the value of the refrigerant stored in a 50lb. recovery tank is worth ____________________ the cost of a recovery tank
FIVE TIMES
- T/F Used Cylinders can be recycled with other scrap metal
TRUE
- Refrigeration cylinders must be re-tested at ___________________ intervals
FIVE-YEAR
- Refrigerants may be mixed in recovery cylinders
FALSE
- On _______________________ the U.S. EPA enacted the provisions of this agreement into regulations for the United States
AUG 1, 1988
- 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
- The AHRI standard now contains the new specification to limit unsaturated impurities in HFC-134a to a maximum level of __________________________
40 PPM
- One chlorine or bromine radical liberated has the capability to act as a catalyst and breakdown _______________________ number of ozone molecules in stratosphere:
100,
- Ozone in the Earth stratosphere is created by UV light striking ________________molecule
OXYGEN
- T/F Ozone at ground level is a harmful pollutant
TRUE
- T/F Refrigerant are lighter than air:
FALSE
- Which of the following refrigerants has minimum or zero ozone depletion potential:
HFCs
- T/F Most halogenated compounds will decompose at room temperature:
FALSE
- T/F Ozone is an unstable molecule:
TRUE
- Countries responsible for approximately ____________ of the worlds production capacity for CFCs for CFCs and halons have signed the Montreal Protocol
95%
- T/F Refrigerants that contain chlorine but not hydrogen are stable
TRUE
- HFC-134a contribute to which of the following:
GLOBAL WARMING
- Ozone layer extends at Earth altitude between _____________.
7 AND 30 MILES
- __________ has developed standards that apply to the recovery and recycling of motor vehicles refriger101. T/F EPA does require a leak to be repaired prior to recharging a motor vehicle air conditioning system
FALSE
- 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
- The per the AHRI standard unsaturated impurities in HFC-134a to be limited to a maximum level _______________________:
40 PPM
- Prior to scrapping MVAC equipment the refrigerant must be recovered to a minimum vacuum of ________________________ of mercury
4 INCHES
- The _____________ has developed a standard recovery and recovery/ recycling machines that are to be used with flammable refrigerants
SAE
- Which of the following are associated with the risk of depletion of ozone layer
DAMAGE TO AGRICULTURE AND WILDLIFE, DAMAGE TO AQUATIC ORGANISMS, INCREASE IN SKIN CANCERS, INCREASED GLOBAL WARMING
- T/F The U.S EPA does characterize used refrigerants as hazardous waste
FALSE
- Since ______________ it has been illegal to vent substitutes for chlorofluorocarbons (CFC) and hydrochlorofluorocarbons (HCFCs) refrigerants:
NOV 15, 1995
- R-152a refrigerant chemical compound is not composed of which of the following:
CHLORINE
- Purity specification of new recycled or reclaimed R-134a must meet ___________ standard:
AHRI STANDARD 700
- 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
- Refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds ____________
EITHER SECTION 608 OR SECTION 609 CERTIFICATION
- Service technicians who violate Clean Air Act provisions can be:
FINED, LOSE THEIR CERTIFICATION, FACE FEDERAL CHARGES
- Which of the following are most stable in lower atmospheres of Earth:
CFCs
- Which of the following is the example of the HFCs
R-134aant as well as service guidelines for MVAC technicians
