Nicet level 1 Study Guide questions and 100% correct answers

When testing a water level supervisory switch serving a pressure tank a signal shall indicate if the water level _____________from the required level (NFPA 72, Table 14.4.3.2 17 (j) (4) - correct answer rises or falls over 3 inches If combination audible/visible appliances are installed the location of the installed appliance shall be determined by the requirements of _______. (Nfpa 72 18.4.8.1) - correct answer the visible appliance What is the maximum number of 12 gauge THHN wires that can be installed in 1" EMT? (Nec Annex C tables) - correct answer 26 Two resistors are connected in parallel. R1 = 300 Ohms, R2 = 300 Ohms. What is their equivalent resistance? - correct answer 150 ohms A Room is 200' long and 150' wide and the 8' high ceiling is smooth and flat. A spot type heat detector has been selected that is listed for a 50' maximum spacing between detectors. According to NFPA 72 how many detectors will be needed to protect this room? 200 / 50 x 150 / 50 = - correct answer 12 According to NFPA 72 the minimum number of restorable fixed temperature spot type heat detectors that must be tested during each annual test is? (NFPA 72 14.4.4.5.1) - correct answer Two detectors or more on each initiating device circuit