USCG Exam PracticePumps, valves, and piping systems
Under 46 CFR §56.07-10, at what percentage of the set pressure must the manufacturer certify the rated relieving capacity of safety and relief valves used solely for the protection of piping systems?
- A. 100 percent of set pressure
- B. 110 percent of set pressure
- C. 115 percent of set pressure
- ✓ 120 percent of set pressureCorrect
Why D is correct
46 CFR §56.07-10(b)(2) states that the rated relieving capacity of safety and relief valves used in the protection of piping systems only must be certified by the manufacturer at 120 percent of the set pressure of the valve.
Cited:46 CFR §56.07-10