Electricity level 4 section 5 Questions with correct Answers

Electricity level 4 section 5 Questions with correct Answers The organization that establishes standardized testing for fire alarm designers and installers is the NICET NFPA 72 contains requirements for residential and commercial installation of fire alarm systems and equipment Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:03 / 0:15 Full screen Brainpower Read More NFPA 101 contains requirements for life safety Which NFPA standard deals with air conditioning and ventilating systems? NFPA 90A The simplest type of fire alarm system is the conventional hardwired system Most analog addressable systems operate on a two-conductor circuit Which of the following is one of the main components of a fire alarm system? control panel Which of the following pull stations require the user to lift a cover or open a door before operating the pull station? Double-action A fire alarms secondary power can come from a battery or a generator The standby time for operation of a alarm system on secondary power in a household system must be no less than 24 hours The UL requires that system controls affecting fire alarm operation be protected by a lock according to the NFPA, under what conditions is it acceptable to reset a fire alarm remotely when it is alarming? It is never acceptable to reset a fire alarm remotely if it is alarming. Alarm verification is commonly used in hospitals When two or more strobes are visible from a location, they must be synchronized A system that can be used to give instructions to building occupants in the event of an emergency is called a voice evacuation system All residential alarm-sounding devices must have a minimum rating of 85dBA at 10' According to code, a general evacuation signal should be Temporal-three A digital device that sends fire alarm information over the public switched telephone network is called a DACT Cables in a fire alarm system must be supported by the building structure Any outdoor wiring for fire alarm circuits extending beyond one building is governed by the NEC The force required to operate a manual pull station must be no more than 5 foot-pounds (6.8 Newton-meters)