EPA 608 Core · Recovery Techniques · Easy
Which hose setup makes refrigerant recovery faster?
Answer: C. Short, large-diameter hoses.
- ALong, narrow hoses.
- BHoses with check valves at both ends.
- CShort, large-diameter hoses.✓ Correct
- DHoses filled with nitrogen first.
Why C is right
Short, large-diameter hoses cut the flow restriction between the system and the recovery machine; removing the Schrader cores helps too. Long, narrow hoses slow recovery down.
More Core questions
- How can you safely increase the speed of refrigerant recovery?
- Which action speeds up refrigerant recovery from a system?
- What should be done to valves to speed up the recovery process?
- How is subcooling measured?
- What does superheat measure?
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.