EPA 609 Practice Test
True or False: Is R-134a a chlorine-free refrigerant?
Correct answer: True
R-134a, also known as HFC-134a, a chlorine-free refrigerant. no harm to stratospheric ozone; they have a zero ODP.
CFCs cannot be manufactured or imported into the United States since
Correct answer: Jan 1, 1996
Since Jan 1, 1996, it is no longer legal for CFCs to be manufactured or imported into the United States
Each ion of chlorine has the ability to destroy ______ ozone molecules.
Correct answer: 100000
Each chlorine ion can able to destroy 100000 ozone molecules
Before being scrapped, MVAC systems must be evacuated to _____ of mercury.
Correct answer: 4 inches
MVAC systems being disposed must be evacuated to 4 inches of mercury before being scrapped
Substitutes for CFC and HCFC refrigerants have been illegal to vent since ___________.
Correct answer: Nov 15, 1995
Since November 15, 1995, it is illegal to vent substitutes for CFC and HCFC refrigerants
A refillable refrigerant cylinder cannot be filled more than ______ of its full capacity.
Correct answer: 80%
A refillable refrigerant cylinder must not be filled above 80% of its full capacity.
The ozone layer absorbs and scatters ________ from the sun.
Correct answer: ultraviolet light
Ozone layer absorbs and scatters ultraviolet light from the sun.
A person who supplies information that leads to a penalty against a technician who is intentionally venting may receive a reward of up to ______ .
Correct answer: $10,000
An award of up to $10,000 may be paid to a person supplying information that leads to a penalty against a technician who is intentionally venting.
Ozone is a harmful pollutant on the ground and in the stratosphere.
Correct answer: FALSE
The statement is false.
CFCs are thought to have a lifespan of _____ years.
Correct answer: 20 to 100
Lifetime of CFCs is believed to range from 20 to 100 years.
Synthetic oils based on ester can be combined with other oils.
Correct answer: FALSE
The statement is false.
New, recycled, or reclaimed R–134a must meet the following purity specifications:
Correct answer: AHRI Standard 700
Purity specification of new, recycled or reclaimed R–134a must meet AHRI Standard 700.
The EPA would approve the CO2 system if the MVAC system was designed to avoid concentrations in the passenger cabin that are _____ above for more than 15 minutes.
Correct answer: 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 3% for more than 15 minutes.
Service technicians who violate the Clean Air Act can face the following penalties:
Correct answer: All the options are correct
Service technicians who violate Clean Air Act provisions can be fined, lose their certificate and face federal charges.
A person who holds _______ may sell refrigerant containers containing more than 20 pounds of refrigerant.
Correct answer: either Section 608 or Section 609 certification
Refrigerant containers which contain refrigerant more than 20 pounds can be sold to a person who holds either Section 608 or Section 609 certification.
In Earth's lower atmospheres, which of the following is the most stable:
Correct answer: CFCs
CFCs are most stable in lower atmospheres of Earth.
The _________ has created a standard for flammable refrigerant recovery and recovery/recycling machines.
Correct answer: SAE
Society of Automotive Engineers has developed a standard for recovery and recovery/recycling machines that are to be used with flammable refrigerants.
Which of the following refrigerants has the least or no potential for ozone depletion:
Correct answer: HFCs
HFCs has minimum or zero ozone depletion potential.
Service shops must certify to the EPA that they have certified recovery equipment, according to ______.
Correct answer: CAA
According to CAA, service shops must certify to the EPA that they own approved recovery equipment
Section 608: HVAC/R Technicians are unable to purchase refrigerant in quantities less than _________.
Correct answer: 20 lbs
Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than 20 lbs.
Contact with fluorocarbon refrigerants on the skin or in the eyes can cause:
Correct answer: All the options are correct
Skin or eye contact with fluorocarbon refrigerants can result in: irritation, forstbite and fatal.
When chlorine combines with ozone, it produces:
Correct answer: Oxygen
Chlorine reacts with ozone and converts ozone to oxygen.
Which of the following is a result of hydrofluorocarbons (HFCs):
Correct answer: global warming
Hydrofluorocarbons (HFCs) contributes to global warming.
The refrigerant R-12 is a ________.
Correct answer: CFC
R-12 is a CFC type of refrigerant
CFCs degrade stratospheric ozone, and a "hole" in the ozone layer has developed over _________.
Correct answer: Antarctica
CFCs deplete stratospheric ozone and that a “hole” had developed in the ozone layer over Antarctica.