NICET Special Hazards II Practice Questions - NICET Special Hazards Systems Level II Exam

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A technician must pressure test a section of clean agent piping that contains closed sections (selector valves at both ends). Per NFPA 2001 (2018), what is the required pneumatic test?

150 psig held for 2 hours with zero allowable pressure loss 40 psig held for 10 minutes with a pressure drop not exceeding 20 percent of the test pressure 200 psig held for 24 hours with a pressure drop not exceeding 10 percent Hydrostatic test at 1.5 times the working pressure for 30 minutes

Correct Answer:

40 psig held for 10 minutes with a pressure drop not exceeding 20 percent of the test pressure

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