NICET Level 1 Water Based Layout Exam with Questions and Answers

NICET Level 1 Water Based Layout Exam with Questions and Answers Which of the following reqs. pertaining to the relief valve for a centrifugal pump is incorrect? ANSWER The relief valve shall only be hydraulically sized. Ref. NFPA 20 2016 Sec. 4.19.2.1. Where the suction supply is under sufficient pressure to be of material value without the pump, the pump shall be installed with a __________, which shall be at least as large as the pipe size required for the discharge pipe. ANSWER Bypass Valve Refrence NFPA 20 2016 Section 4.15.4. Determine the maximum spacing permitted for an Extra Hazard hydraulically calculated system system with a density less than 0.25 gpm/ft^2 ANSWER 15ft Ref. NFPA 13 2016 Table 8.6.2.2.1. Ordinary Hazard is a term the specifies: ANSWER An occupancy classification, More combustibility than light hazard, and A system area limitation of 52,000 ft 2 . Reference NFPA 13 2016, Sections 5.3 and 8.2.1.