Correct answer: True
R-134a, also known as HFC-134a, a chlorine-free refrigerant. no harm to stratospheric ozone; they have a zero ODP.
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
Correct answer: 100000
Each chlorine ion can able to destroy 100000 ozone molecules
Correct answer: 4 inches
MVAC systems being disposed must be evacuated to 4 inches of mercury before being scrapped
Correct answer: Nov 15, 1995
Since November 15, 1995, it is illegal to vent substitutes for CFC and HCFC refrigerants
Correct answer: 80%
A refillable refrigerant cylinder must not be filled above 80% of its full capacity.
Correct answer: ultraviolet light
Ozone layer absorbs and scatters ultraviolet light from the sun.
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.
Correct answer: FALSE
The statement is false.
Correct answer: 20 to 100
Lifetime of CFCs is believed to range from 20 to 100 years.
Correct answer: FALSE
The statement is false.
Correct answer: AHRI Standard 700
Purity specification of new, recycled or reclaimed R–134a must meet AHRI Standard 700.
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.
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.
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.
Correct answer: CFCs
CFCs are most stable in lower atmospheres of Earth.
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.
Correct answer: HFCs
HFCs has minimum or zero ozone depletion potential.
Correct answer: CAA
According to CAA, service shops must certify to the EPA that they own approved recovery equipment
Correct answer: 20 lbs
Section 608 HVAC/R Technicians cannot buy refrigerant in quantities less than 20 lbs.
Correct answer: All the options are correct
Skin or eye contact with fluorocarbon refrigerants can result in: irritation, forstbite and fatal.
Correct answer: Oxygen
Chlorine reacts with ozone and converts ozone to oxygen.
Correct answer: global warming
Hydrofluorocarbons (HFCs) contributes to global warming.
Correct answer: CFC
R-12 is a CFC type of refrigerant
Correct answer: Antarctica
CFCs deplete stratospheric ozone and that a “hole” had developed in the ozone layer over Antarctica.
