Nicet level 1 Study Guide questions|WITH 100% COMPLETE SOLUTIONS|ALREADY GRADED A

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) 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) the visible appliance What is the maximum number of 12 gauge THHN wires that can be installed in 1" EMT? (Nec Annex C tables) 26 Two resistors are connected in parallel. R1 = 300 Ohms, R2 = 300 Ohms. What is their equivalent resistance? 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 = 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) Two detectors or more on each initiating device circuit According to NFPA 72 how many spot type heat detectors are required for a space that is 80' long and 55 floor wide with a smooth 10' ceiling? the detector is listed for a maximum space between detectors of 30' 6 What color code requirement for a spot type heat detector rated at 200ﾟF White (NFPA 72, Table 17.6.2.1) Unless otherwise recommended by the manufacturers published instructions single and multiple stations smoke alarms installed in one and 2 family dwellings shall be replaced every 10 years from the day-of manufacture. (NFPA 72, 14.4.7.1) Fire alarm cables are permitted to be strapped to conduit to support the cable False (NEC 760.143) Where non power limited wiring is installed exposed it must be mechanically protected within_____of the finished floor 7' ft Fire-Warning equipment to be installed in residential occupancies shall produce the audible emergency evacuation signal described in ANSI S3.41 According to NFPA 72, visible notification appliance for non-sleeping areas must be mounted between ___ and ___ inches above the finished floor 80 & 96 If system impairment occurs, the owner must be notified ___ within ___ in writing & within 24 hours A 20 X 20' ft room with a 20'ft high ceiling requires at a minimum a ___ ceiling mounted strobe 30 candela According to NFPA 72, a 40 x 40'ft room or area with a 10'ft ceiling is best covered by a ___ cd visible notification appliance, centered on one wall. 60 Conductors returning to the fire alarm control panel (FACP) from the last field device on the circuit might indicate a _____ circuit Class A Secondary power supplies for an emergency voice/alarm communication fire alarm system shall be capable of operating for minimum of ___ of standby followed by ___ of alarm. 24 hrs & 15 mins The fire alarm system primary power branch circuit disconnecting means must be ___ in color. Red The secondary power supply for protected premises shall automatically provide power within ___ seconds when primary power fails. 10 seconds Under which of the following conditions shall spot-type smoke detectors NOT be installed? When the temperature is over 100*F Who is responsible for maintaining Personal Protective Equipment? YOU, the employee