EPA SECTION 609 UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A

EPA SECTION 609 UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A
PLUS




Question:
R-12 refrigerant phase-out reason

Answer:
It contributed to depletion of the earth's ozone layer.



Question:
Global Warming Potential (GWP) of R-1234yf

Answer:
4



Question:
Prohibited practice when servicing MVAC systems

Answer:
Intentionally venting refrigerant into the atmosphere.



Question:
Minimum time required for A/C system operation with fluorescent dye for leak detection

Answer:
15 minutes.



Question:
Refrigerant that is mildly flammable and requires specific safety procedures

, Answer:




Question:
Safety equipment required when servicing MVAC systems

Answer:
Safety goggles with side shields and insulated gloves.



Question:
What is cross contamination in MVAC systems?

Answer:
Having refrigerant other than the type designated on the system information label



Question:
How often should refrigerant handling equipment be calibrated?

Answer:
According to manufacturer's specifications



Question:
What percentage of its gross weight capacity should a refrigerant storage tank never exceed?

Answer:
60 %



Question:
When checking for evaporator leaks using an electronic detector, how long should you wait after
turning off the blower?

Answer: