EPA 609 Technician Certification – Free Practice Test

EPA 609 Technician Certification – Free Practice Test


EPA 609 free practice tests 112 questions with fully answers question 1 of 12 Ozona ground level and set stratosphere is a harmful pollutant a true B false question one of 12 answer B false question two of 12 for determining the ozone depletion potential underscore having been assigned a factor of one a CFC eleven B CFC twelve C R 22 D r134a question two of twelve answer a CFC eleven question 3 of 12 ozone layer absorbs and scatters underscore from the Sun a ultraviolet light B infrared light C gamma radiation D X radiation question 3 of 12 answer a ultraviolet light question four of twelve r134a is a chlorine free refrigerant a true B false question four of twelve answer a true question 5 of 12 a refillable refrigerant cylinder must not be filled above underscore of its full capacity a 80% be 75% C 90 % D 100% question 5 of 12 answer a 80% question 6 of 12 ester based synthetic oils can be mixed with other oils a true B false question 6 of 12 answer B false question 7 of 12 an award of up to underscore may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting a $10,000 B $37,500 C $15,000 D $12,500 question 7 of 12 answer a $10,000 question 8 of 12 vac systems being disposed must be evacuated to underscore of mercury before being scrapped a 4 inches B 2 inches C 5 inches d 2.5 inches question 8 of 12 answer a 4 inches question 9 of 12 since underscore it is no longer legal for CFCs to be manufactured or imported into the United States say Jan 1 1996 B Jan 1 1995 see Jan 1 1994 D Jan 1 1998 question 9 of 12 answer a Jan 1 1996 question 10 of 12 since underscore it is illegal to vent substitutes for CFC and hcfc refrigerants a November 15 1995 B Jan 1 1995 C December 31st 1994 D Jan 1 1996 question 10 of 12 answer a November 15 1995 question 11 of 12 each chlorine ion can able to destroy underscore ozone molecules a 100,000 be 10,000 C 1000 D 100 question 11 of 12 answer a 100,000 question 12 of 12 lifetime of CFCs is believed to range from underscore years a 20 to 100 B 1 to 20 C 100 to 500 D 500 to 1000 question 12 of 12 answer a 20 to 100 EPA 609 free practice tests 212 questions with fully answers question one of 12 ozone molecule consists of underscore atoms of oxygen a3 b2 C for D 1 question 1 of 12 answer a3 question two of twelve non-condensibles in a refrigeration system result in underscore discharge pressure ray higher be lower question two of 12 answer a higher question 3 of 12 ozone depletion increased global warming a true B false question 3 of 12 answer a true question 4 of 12 if a technician is already trained and certified to handle cfc-12 he has to be recertified to handle hfc-134a a true B false question 4 of 12 answer B false question 5 of 12 the Clean Air Act cap of underscored directs EPA to establish requirements to prevent the release of ozone depleting substances a 1990 B 1991 C 1992 D 1994 question 5 of 12 answer a 1990 question 6 of 12 over the road refrigeration units and r22 H CFC air conditioning such as that found in buses also requires section underscore certification a 608 B 609 ste either 608 or 609 question 6 of 12 answer a 608 question 7 of 12 moisture level in recycled r12 cfc-12 that has been directly removed from and intended to be returned to a mobile air conditioning system cannot exceed underscore ppm by weight a 15 B 10 C 20 D 25 question 7 of 12 answer a 15 question eight of 12 at high temperatures 12 can decompose to form underscore a hydrochloric acid B hydrofluoric acid see both options are correct question 8 of 12 answer see both options are correct question 9 of 12 refrigerants are lighter than the air a true B false question 9 of 12 answer B false question 10 of 12 every refrigerant cylinder need not be protected by some type of pressure relief device a true B false question 10 of 12 answer B false question 11 of 12 stratosphere layer consists of about underscore of the available ozone a 90% B 70 % c 99% D 99.5% question 11 of 12 answer a 90% question 12 of 12 CFCs are highly reactive in underscore of atmosphere a lower levels be higher levels see both lower and higher levels question 12 of 12 answer a lower levels EPA 609 free practice tests 312 questions with fully answers question one of 12 hfc-134a is the refrigerant that replaced underscore and automotive air conditioning systems a are 12 b are 22 C are 23 dr-40 for question one of 12 answer a are 12 question two of 12 are 152 a is a chemical compound composed of which of the following multiple answer question a chlorine B carbon C hydrogen d fluorine question 2 of 12 answer B carbon C hydrogen D fluorine question 3 of 12 r134a refrigerant dust pose a cancer or birth defects hazard a true B false question 3 of 12 answer B false question 4 of 12 vac systems need not be evacuated to a vacuum before servicing a true be false question 4 of 12 answer be false question 5 of 12 disposable refrigerant tanks under underscore must be evacuated before being scrapped a 20 pounds B 25 pounds C 15 pounds D 10 pounds question 5 of 12 answer a 20 pounds question 6 of 12 supplies of CFC refrigerant for equipment servicing can only come from which of the following a recovery be recycling sea reclamation D all the options are correct question 6 of 12 answer D all the options are correct question 7 of 12 external recovery tanks must be evacuated to underscore of mercury before being put into service a 27 inches B 32 inches C 25 inches D 35 inches question 7 of 12 answer a 27 inches question eight of 12 which of the following refrigerants has high ozone depletion potential a CFCs b hf c is c h CFC is d all the options are correct question 8 of 12 answer a CFC is question nine of 12 CFCs manufacture was discontinued as of underscore a January 1st 1996 B January 1st 1995 ste January 1st 2000 D January 1st 1998 question 9 of 12 answer a January 1st 1996 question 10 of 12 which of the following and refrigerant makes them chemically less stable once they enter the atmosphere a carbon be hydrogen see chlorine D all the options are correct question 10 of 12 answer B hydrogen question 11 of 12 underscore of stratospheric chlorine comes from ozone depleting substances a 82% be 95% C 60% d 99% question 11 of 12 answer a 82% question 12 of 12 which of the following has the ozone depletion potential ODP value of one a CFC eleven B are 12 C are 22 D r134a question 12 of 12 answer a CFC eleven EPA 609 free practice test for 12 questions with fully answers question 1 of 12 CFC refrigerants are chemically highly unstable a true B false question one of 12 answer B false question two of 12 underscore has recently been approved for use in automobile applications as an alternative to r134a a are 152 a B are 143 a cr123a D are 744 question 2 of 12 answer a are 152 a question 3 of 12 the global warming potential is reported relative to underscore a carbon dioxide B carbon monoxide C sulfur dioxide D nitrogen dioxide question 3 of 12 answer a carbon dioxide question 4 of 12 CFCs deplete stratospheric ozone and that and number 80 to 20 semicolon whole and number 8221 had developed in the ozone layer over underscore a Antarctica B Asia C North America D Europe question 4 of 12 answer a Antarctica question 5 of 12 r12 is a underscore type of refrigerant a CFC b hf c c h CF c question 5 of 12 answer a CFC question 6 of 12 HFCS and HCFCs decompose when released in the lower atmosphere a true B false question 6 of 12 answer a true question 7 of 12 HFCS contributes to the global warming a true B false question 7 of 12 answer a true question eight of 12 EPA is authorized to assess fines of up to underscore per day per violation for any violation of the Act a $37,500 be $10,000 C $17,500 D $12,500 question 8 of 12 answer a $37,500 question 9 of 12 a floor tax also applies to anyone holding underscore or more of the regulated CFCs a 400 pounds be 100 pounds C 200 pounds D 500 pounds question 9 of 12 answer a 400 pounds question 10 of 12 at present there is no restriction on the sale of hfc-134a a true be false question 10 of 12 answer a true question 11 of 12 ultraviolet radiation breaks down the CFCs and freeze the chlorine ion a true B false question 11 of 12 answer a true question 12 of 12 hydrofluorocarbons HFCS contributes to which of the following a global warming B ozone depletion potential ste both options are correct question 12 of 12 answer a global warming EPA 609 free practice test 512 questions with fully answers question one of twelve r134a is flammable at ambient temperatures and atmospheric pressures a true B false question one of twelve answer B false question two of 12 the number 80 to 20 semicolon ozone layer and number 8221 consists of ozone in which part of the atmosphere a stratosphere B troposphere C mesosphere D ionosphere two of 12 answer a stratosphere question 3 of 12 which of the following will not react with ozone gas a chlorine B fluorine Sea bromine D all the options react with ozone gas question 3 of 12 answer B fluorine question 4 of 12 underscore has replaced CFC twelve in all automotive applications a hfc-134a b hf c 123 a c hf c 143 a d hf c 777 question 4 of 12 answer a hfc-134a question 5 of 12 the thermodynamic properties of hfc-134a are similar to CFC twelve a true B false question 5 of 12 answer a true question 6 of 12 the color code for our 12 disposable refrigerant cylinders is underscore a white be light blue C Brown D gray question 6 of 12 answer a white question seven of 12 the primary cause of overpressurization of refrigeration cylinder is due to overheating a true be false question 7 of 12 answer a true question eight of 12 as per the cap all records related to entities oven vac system services must be maintained for underscore years a 3 B 2 point 5 C 1.5 D 2 question 8 of 12 answer a 3 question 9 of 12 since underscore it has been illegal to vent substitutes for CFC 3 and H CFC refrigerants a November 15 1995 B Jan 1 1996 see Jan 1 1995 D Jan 1 1994 question 9 of 12 answer a November 15 1995 question 10 of 12 since underscore it has been mandatory to recycle hfc-134a as well as any other automotive refrigerant before returning to that vac or sold a Jan 29 1998 B November 15 1995 C November 15 1992 D Jan 1 1995 10 of 12 answer a Jan 29 1998 question 11 of 12 Montreal Protocol is signed in underscore by 23 counties including USA a September 1987 be September 1988 see September 1985 D September 1986 question 11 of 12 answer a September 1987 question 12 of 12 Palin’s were completely phased out by 1994 a true B false question 12 of 12 answer a true EPA 609 free practice test 6:12 questions with fully answers question one of twelve hfc-134a refrigerant has an ozone depletion potential of a zero point zero be 0.5 see 0.05 D 1 point zero question one of 12 answer a zero point zero question two of twelve r134a refrigerant has low solubility in nonpolar lubricants a true B false question two of twelve answer a true question 3 of 12 use of carbon dioxide are 744 refrigerant results into a underscore efficiency cycle a much lower B lower C much higher D higher question 3 of 12 answer a much lower question 4 of 12 R one thirty-four a disposable refrigerant cylinder is underscore color-coded a light blue B gray see yellow D Brown question 4 of 12 answer a light-blue question 5 of 12 disposable cylinders are manufactured to specifications established by a dot B EPA ste ASHRAE D API question 5 of 12 answer a dot question 6 of 12 disposable cylinders are manufactured from a steel be aluminum see copper D iron question 6 of 12 answer a steel question 7 of 12 recovery cylinders are painted yellow in the shoulder area and underscore down the side a 12 inches B 15 inches C 18 inches D 24 inches question 7 of 12 answer a 12 inches question eight of twelve moisture content in recycled r134a hfc-134a that has been directly removed from and intended to be returned to a mobile air conditioning system cannot exceed underscore by weight a 50 ppm B 25 ppm C 15 ppm D 10 ppm question 8 of 12 answer a 50 ppm question 9 of 12 technicians who repair or service hfc-134a mechs must be trained and certified by an epa-approved organization a true B false question 9 of 12 answer a true question 10 of 12 the sale of small containers of refrigerant under underscore including the one-pound cans are restricted to only people certified in section 609 a 20 pounds be 15 pounds C 10 pounds D 25 pounds question 10 of 12 answer a 20 pounds question 11 of 12 average ozone concentration in earth and number 82 17 semicolon s atmosphere as a whole is only about underscore parts per million a 0.3 B 3 C 30 D 300 question 11 of 12 answer a 0.3 question 12 of 12 ozone layer is present in both stratosphere and mesosphere layers of earth and number 80 to 17 semicolon s atmosphere a true B false question 12 of 12 answer B false EPA 609 free practice tests 712 questions with fully answers question 1 of 12 which of the following refrigerant has a molecular formula is C 2 H 4 F 2 a are 152 a B r134a see are 744 D are 123 a question one of 12 answer a are 152 a question two of 12 after reaching the required recovery vacuum on an system if the system pressure underscore indicating that there is either refrigerant in liquid form refrigerant trapped in the oil or a leak in the system a Rises B reduces C remain same question two of twelve answer a rises question three of twelve r134a is a corrosive refrigerant a true B false question three of twelve answer B false question 4 of 12 with the rising cost of refrigerant the value of the refrigerant stored in a 50-pound recovery tank is where Thunder score the cost of a recovery tank a 5 times B 4 times C 3 times D 2 times question 4 of 12 answer a 5 times question 5 of 12 used cylinders can be recycled with other scrap metal a true B false question 5 of 12 answer a true question 6 of 12 refrigeration cylinders must be retested at underscore intervals a 5-year be four-year c3 year d2 year question 6 of 12 answer a 5-year question 7 of 12 refrigerants may be mixed in recovery cylinders a true B false question 7 of 12 answer B false question 8 of 12 on underscore the US EPA enacted the provisions of this Agreement into regulations for the United States a August 1st 1988 B September 16 1987 C Jan 29 1998 D November 15 1992 question 8 of 12 answer a August 1st 1988 question 9 of 12 persons servicing VAX do not have this choice they must be certified as underscoring vac technicians if they perform the AC service for compensation a section 609 B Section 608 C either section 609 or Section 608 question 9 of 12 answer a section 609 question 10 of 12 the aeri standard now contains the new specification to limit unsaturated impurities in hfc-134a to a maximum level of underscore a 40 parts per million B 50 parts per million C 30 parts per million D 20 parts per million question 10 of 12 answer a 40 parts per million question 11 of 12 one chlorine or bromine radical liberated has the capability to act as catalysts and break down underscore number of ozone molecules in stratosphere a 100,000 be 1 million see 10,000 D 1000 question 11 of 12 answer a 100,000 question 12 of 12 ozone in the earth and number 82 17 semicolon s stratosphere is created by UV light striking underscore molecule a oxygen B chlorine C hydrogen D carbon question 12 of 12 answer a oxygen EPA 609 free practice tests hate 12 questions with fully answers question 1 of 12 ozone at ground level is a harmful pollutant a true B false question one of 12 answer a true question two of 12 HFC 152 M vac systems are acceptable FM vac systems must be designed to avoid concentrations in the passenger cabin that are above underscore for more than 15 seconds a 3.7 percent B 4.2 percent C 2.1 percent D 5.4 percent question two of 12 answer a 3.7% question 3 of 12 chlorine reacts with ozone and converts ozone to a oxygen be carbon dioxide sea water vapor D hydrogen question 3 of 12 answer a oxygen question 4 of 12 the sale of small containers of refrigerant under underscore including the one-pound cans are restricted to only people certified in section 609 a 20 pounds B 25 pounds C 15 pounds D 10 pounds question 4 of 12 answer a 20 pounds question 5 of 12 Section 608 vac our technicians cannot buy refrigerant in quantities less than underscore a 20 pounds be 15 pounds C 10 pounds D 25 pounds question 5 of 12 answer a 20 pounds question 6 of 12 according to underscore service shops must certify to the EPA that they own approved recovery equipment a cap B EPA C hey D array question 6 of 12 answer a cap question 7 of 12 skin or eye contact with fluorocarbon refrigerants can result in a irritation B frostbite C fatal D all the options are correct question 7 of 12 answer D all the options are correct question 8 of 12 refrigerants are lighter than air a true B false question 8 of 12 answer B false question 9 of 12 which of the following refrigerants has minimum or zero ozone depletion potential a HFCS B H CFC is stee CFC is d FC is question 9 of 12 answer a HFCS question 10 of 12 most halogenated compounds will decompose at room temperature a true be false ten of twelve answer be false question 11 of 12 ozone is an unstable molecule a true B false question 11 of 12 answer a true question 12 of 12 countries responsible for approximately underscore of the world’s production capacity for CFCs and Holland’s have signed the Montreal Protocol a 95 percent be 99% C 80% D 85% question 12 of 12 answer a 95% EPA sick hundred nine free practice tests nine twelve questions with fully answers question one of twelve refrigerants that contain chlorine but not hydrogen are stable a true B false question one of twelve answer a true question two of twelve hfc-134a contribute to which of the following a ozone depletion potential be global warming see both options are correct question two of twelve answer be global warming question 3 of 12 ozone layer extends at Earth and number 82 17 semicolon s altitude between underscore a seven and thirty miles B 30 and 60 miles C 60 and 90 miles D 90 and 120 miles question 3 of 12 answer a 7 and 30 miles question 4 of 12 underscore has developed standards that apply to the recovery and recycling of motor vehicle refrigerant as well as Service guidelines firm vac technicians a/c B re C EPA d dot question 4 of 12 answer a/c question 5 of 12 EPA does require a leak to be repaired prior to recharging a motor vehicle air conditioning system a true be false question 5 of 12 answer be false question 6 of 12 any person who sells or distributes any class I or class to substance in a container of less than underscore of such refrigerant must verify that the purchaser is properly trained and 609 certified and must retain a record a 20 pounds B 15 pounds C 25 pounds D 10 pounds question 6 of 12 answer a 20 pounds question 7 of 12 the per theory standard unsaturated impurities in hfc-134a to be limited to a maximum level of underscore a 40 parts per million be 100 parts per million see 50 parts per million D 25 parts per million question 7 of 12 answer a 40 parts per million question eight of 12 prior to scrapping vac equipment the refrigerant must be recovered to a minimum vacuum of underscore of mercury a four inches B two inches C six inches D eight inches question 8 of 12 answer a four inches question 9 of 12 the internal pressure of a refrigerant cylinder with one ounce of liquid refrigerant is underscore full cylinder a exactly the same as B greater than C lower than question nine of twelve answer a exactly the same as question 10 of 12 the empty refillable refrigerant tank must be evacuated to a minimum vacuum of underscore of mercury a 27 inches B 4 inches C 8 inches D 2 inches 10 of 12 answer a 27 inches question 11 of 12 underscore is the key agent responsible for stratospheric ozone depletion a chlorine monoxide B chlorine dioxide C sulfur monoxide D sulfur dioxide question 11 of 12 answer a chlorine monoxide question 12 of 12 which of the following are the causes of ozone layer depletion a volcanic eruptions B chlorofluorocarbons C hydrochlorofluorocarbons D all the options are correct question 12 of 12 answer D all the options are correct EPA 609 free practice test 1012 questions with fully answers question 1 of 12 the co2 system would be acceptable to the EPA under the condition that in fact system was designed to avoid concentrations in the passenger cabin that are above underscore for more than 15 minutes a 3% B 1.5% C 2.5 percent D 4.5% question one of 12 answer a 3% question two of 12 the underscore has developed a standard for recovery and recovery recycling machines that are to be used with flammable refrigerants a/c be EPA C is Ray d dot question 2 of 12 answer a/c question 3 of 12 which of the following are associated with risk of depletion of ozone layer multiple answer question a damage to agriculture and wildlife be damage to aquatic organisms see increase in skin cancers D increased global warming question 3 of 12 answer a damage to agriculture and wildlife be damage to aquatic organisms C increase in skin cancers D increased global warming question 4 of 12 the US EPA does characterize used refrigerants as hazardous waste a true B false question 4 of 12 answer be false question 5 of 12 since underscore it has been illegal to vent substitutes for chlorofluorocarbons CFCs and hydrochlorofluorocarbons H CFCs refrigerants a November 15 1995 be January 29 1998 see November 15 1992 D August 13 1992 question 5 of 12 answer a November 15 1995 question 6 of 12 are 152 a refrigerant chemical compound does not composed of which of the following a carbon be hydrogen c fluorine D chlorine question 6 of 12 answer D chlorine question 7 of 12 purity specification of new recycled or reclaimed r134a must meet underscore standard a very standard 700 be very standard 750 C very standard 1000 d are a standard 1200 question 7 of 12 answer a very standard 700 question 8 of 12 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 a true B false question 8 of 12 answer a true question 9 of 12 refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds underscore a either Section 608 or section 609 certification B section 609 certification C Section 608 certification question 9 of 12 answer a either Section 608 or section 609 certification question 10 of 12 service technicians who violate Clean Air Act provisions can be a fine be lose their certification C face federal charges d all the options are correct question 10 of 12 answer D all the options are correct question 11 of 12 which of the following are most stable in lower atmospheres of earth a CFC is B HFCS c h CFCs question 11 of 12 answer a CFCs question 12 of 12 which of the following is the example of HFCS a r134a B are twelve cr123 D are 124 question 12 of 12 answer a r134a [Music]


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