FAL TFM12 BFAT3 QUESTIONS AND ANSWERS GRADED A+

FAL TFM12 BFAT3 QUESTIONS AND ANSWERS GRADED A+ Where supervised automatic sprinkler systems are required by Code, which standard or code regulates supervisory attachment installation? NFPA 72, National Fire Alarm Code A colorless, odorless, electrically non-conductive inert gas that extinguishes fire and forms dry ice snow when released directly into the atmosphere Carbon dioxide gas An automatic smoke detector that requires continuous presence of smoke above the alarm threshold for more than 1 minute before initiating an alarm is said to equipped with which feature below? Alarm Verification Fire Alarm conductors in Class 1, Division 1 locations shall be Multi or single conductor Copper in IMC or GRC The following wiring methods are not permitted for Fire Alarm conductors installed in Class 1 Division 2 locations none of the above, all are acceptable methods Fire Alarm equipment shall be durably marked where plainly visible to indicate each circuit That is is Power-limited fire alarm circuit Smoke detectors listed for use in air distribution systems moving more that 2000ft3/min shall be located on the supply air side downstream of the air filters For smooth ceiling coverage, all points on the ceiling are required to have a detector within a distance of 70% of the selected spacing Where the light path of a projected beam type detector is abruptly interrupted or obscured the unit should initiate a supervisory off normal signal after verification of blockage Partitions extending upward to within _____% of the ceiling height shall be considered as affecting space of smoke detectors 15% True or False: for complete coverage detectors would also be required accessible under floor spaces commonly installed in computer rooms that contain electric wiring True Where doors are to be closed in response to smoke flowing in either direction on a door where the lintel is greater than 24" deep, the minimum requirement for the smoke detector installation is two ceiling mounted smoke detectors within 5 horizontal feel of each side of the door opening In spaces served by air-handling systems, smoke detectors for open area protection should not be located closer that ______ feet from the air supply or air return diffuser. 3 feet In a corridor 5' wide 130' long and with a smooth ceiling 10' high, what is the maximum distance between two smoke detectors having a manufactures recommended spacing of 25' 35' When the fire alarm control unit is installed in areas that are not continuously occupied the following requirements apply A smoke detector must be installed at each control unit(s) location to provide notification of fire at that location Under quiescent load, the secondary supply for in building fire emergency voice/alarm communications (EVAC) service shall have sufficient capacity to operate for 24 hours followed by 15 minutes at maximum (alarm) load Under non alarm conditions, the secondary supply of a Fire Alarm System shall be capable of operating the system for a minimum of 24 hours followed by 5 minutes at the maximum (alarm) load Under maximum normal load, the secondary supply of a household fire alarm system shall have sufficient capacity to operate the system for a minimum of 24 hours in the normal condition followed by 4 minutes of alarm Audible public mode signals are required to sound at least (A) or (B) above Where audible appliances are installed to signal sleeping ares, the maximum combined sound level produced anywhere in the occupied area shall be 110 dBA When alarm signals are manually deactivated by an alarm silencing means both audible and visible notification appliances must be simultaneously deactivated Visible signals such as strobes intended for operation in the public mode shall flash at what rate 120 times per minute where multiple notification appliances are provided within a single voice evacuation signaling zone All of the notification appliances must activate simultaneously all of the notification appliances must deactivate simultaneously Visible notification appliances must deactivate when the audible circuits are silenced. Two-way telephone communications service shall be capable of permitting the simultaneous operation of _______ telephone stations in a common talk mode any five The minimum installation of two-way telephone systems for fire service use are not required to provide a telephone jack at the command center