EPA 608 Core · Dehydration & Evacuation · Easy
What is the standard target vacuum level for system dehydration?
Answer: B. 500 microns.
- A1000 microns.
- B500 microns.✓ Correct
- C0 psig.
- D10 inches of mercury (inHg).
Why B is right
The industry standard for a deep vacuum to ensure total dehydration is 500 microns.
More Core questions
- What happens to the boiling point of water as system pressure drops in a vacuum?
- If a micron gauge rises to atmospheric pressure after the pump is off, what does it mean?
- If a micron gauge rises and then levels off (e.g., at 2000 microns), what does it mean?
- What is the primary purpose of evacuating a refrigeration system?
- What chemical is formed when moisture mixes with CFC or HCFC refrigerants?
Go deeper with the study guide EPA 608 Evacuation Levels: The Required Vacuum by Appliance, try the free 10-question test or browse all EPA 608 practice questions.
A practice question written for study, checked against 40 CFR Part 82, Subpart F. It is not an official EPA exam question, and this site is not affiliated with the U.S. EPA.