EPA 608 Type III · Safety · Medium
How is the rupture disc piped to safely vent refrigerant?
Answer: B. To the outdoors via a dedicated vent line.
- AInto the mechanical room.
- BTo the outdoors via a dedicated vent line.✓ Correct
- CDirectly into the purge unit exhaust.
- DInto a large recovery cylinder.
Why B is right
To prevent asphyxiation in the mechanical room, the rupture disc must be piped directly to the outdoors.
More Type III questions
- R-123 is rated B1 under ASHRAE 34. What does that mean?
- At what pressure does the rupture disc on a low-pressure centrifugal chiller typically burst?
- What is the maximum safe test pressure for a low-pressure centrifugal chiller?
- What is the recommended method to leak-test a low-pressure chiller without exceeding rupture disc limits?
- What is the primary purpose of a purge unit on a low-pressure centrifugal chiller system?
Go deeper with the study guide A2L Refrigerants and the R-410A Transition: A Tech’s Guide, 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.