NFPA 72 QUESTIONS AND ANSWERS FULLY SOLVED

NFPA 72 QUESTIONS AND ANSWERS FULLY SOLVED A fire alarm system with a pre-signal feature installed on the protected premises shall be pre- permitted if Approved by the AHJ A pressure supervisory signal-initiating device for a dry-pipe sprinkler system shall indicate Both high and low pressure conditions A seperate storage battery and separate automatic charger shall be provided for straight the engine-driven generator and shall Not be used for any other purpose The secondary power supply for in building mass notification system shall be capable of operating the system during emergency conditions for ______________________ and shall be capable of operating the system during emergency conditions for ____________________ at minimum connected load 24 hrs/ 15 mins All fire alarm systems shall test free of ______________________ Grounds The alarm audible signal pattern used to notify building occupants of the need to evacuate shall be the standard alarm evacuation signal consisting of a(n) Three pulses temporal pattern If guards are used to protecting a notification appliance such as strop eight it shall Be listed to be used with the appliance Maintenance of household fire alarm systems be conducted According to the manufacturer's instructions Battery chargers shall be tested Annually According to the NFPA 72 line type heat detectors shall be located on the ceiling or on the sidewalls not more than 20 in from the ceiling 30 inches from the sidewall A signal transmits several discrete bits of informatio0n is a Code signal Testing personnel shall have knowledge and experience acceptable to The AHJ Who shall be notified before testing of the fire alarm system? All building occupants and personnel The monitoring company The record of completion documentation shall be completed by the Contractor who installed the system When a modification is made to a fire alarm system after the initial installation, the modification shall be recorded on a revised version of the original completion documents. The revised record of completion document shall include The revision date Supervisory signal shall take precedence over Trouble signal Fire alarm storage batteries shall Be either trickle- or float-charged According to NFPA 72, strobe lights shall not Exceed 2 flashes per second (2Hz Sampling system piping shall be conspicuously identified as "SMOKE DETECTOR SAMPLING TUBE - DO NOT DISURB" at interval on piping that provide visibility within the space, but not greater than 20 ft Where a spot-type smoke detector is installed during construction, it shall Not be operational, and protected from construction debris, dust, dirt, and damage