EPA 608 Type III · Safety · Medium
At what pressure does the rupture disc on a low-pressure centrifugal chiller typically burst?
Answer: C. 15 psig
- A5 psig
- B10 psig
- C15 psig✓ Correct
- D30 psig
Why C is right
To protect the evaporator from over-pressurization, low-pressure chillers have a rupture disc that is engineered to burst at 15 psig.
More Type III questions
- How is the rupture disc piped to safely vent refrigerant?
- R-123 is rated B1 under ASHRAE 34. What does that mean?
- Where is the rupture disc typically located on a low-pressure chiller?
- 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?
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.