EPA 608 Core · Safety · Easy
Which safety device is installed on all DOT recovery cylinders?
Answer: B. A pressure relief valve.
- AA rupture disc bursting at 15 psig.
- BA pressure relief valve.✓ Correct
- CA liquid-level sight glass.
- DAn automatic shut-off float.
Why B is right
DOT cylinders must have a pressure relief valve to safely vent if over-pressurized.
More Core questions
- What is the maximum safe fill capacity of a refrigerant recovery cylinder?
- Why must you never heat a refrigerant cylinder with an open flame?
- What personal protective equipment (PPE) is essential when handling refrigerants?
- What physical hazard does liquid refrigerant pose to skin?
- What can happen if CFC or HCFC refrigerants are exposed to high heat or open flames?
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.