EPA Section 608 Certification Quiz

What must technicians be certified in according to Section 608 of the Clean Air Act?

• General appliance repair

• Proper refrigerant handling techniques

• Electrical systems maintenance

• Plumbing services

What is the purpose of the online registry for examination participants?

• Lookup by name, city, and state

• Store personal information

• Provide exam results

• Offer study materials

What could happen if a hermetic compressor is operated with a vacuum in the system?

• Increase in refrigerant pressure

• Decrease in refrigerant temperature

• Electrical arcing inside the compressor

• Increase in refrigerant volume

What is the purpose of color-coding hoses in a gauge manifold set?

• To match the refrigerant type

• To match the system pressures

• To match the temperature levels

• To match the humidity levels

What is the purpose of the center port on a manifold?

• For measuring temperature

• For recovery, evacuation, and charging connections

• For measuring humidity

• For connecting to a computer

What does Section 608 of the Clean Air Act regulate?

• Emissions from vehicles

• Refrigerant handling in the HVACR industry

• Water pollution control

• Air quality standards

What is used to pinpoint the location of a leak once the general area is determined?

• Electronic sensor

• Soap bubbles

• Thermal camera

• Pressure gauge

What is the maximum pressure check called that must be completed for safety after a leak repair?

• Vacuum test

• Standing-pressure leak check

• Pressure drop test

• Hydrostatic test

What is the lowest pressure a system should be evacuated to, as measured with a micron gauge?

• 1000 microns

• 750 microns

• 500 microns

• 250 microns

What should be done before evacuating a system to the ambient air?

• Add refrigerant

• Follow proper recovery procedures

• Increase system pressure

• Remove all components