Oklahoma Alarm licensing practice exam questions with answers, Exams of Electrical and Electronics Engineering

Download Oklahoma Alarm licensing practice exam questions with answers and more Exams Electrical and Electronics Engineering in PDF only on Docsity! Oklahoma Alarm licensing practice exam questions with answers According To NFPA 72, batteries may be used to maintain an access control system durning a power failure provided that the doors unlock with how many minutes of loss of primary power to the alarm system? - ANSWER: ✔✔10 AC stands for - ANSWER: ✔✔Alternating current Which of the following jacks is used to interface the digital communicator with the telephone line? - ANSWER: ✔✔RJ31X An electronic access control system is designed to: - ANSWER: ✔✔Allow authorized individuals in while keeping unauthorized individuals out. What is the VDC in a circuit with 100ohms and 0.1A? - ANSWER: ✔✔10V Which of the following factors increases the chance of shock or electrocution? - ANSWER: ✔✔High humidity How soon after injury in the job-site must you inform your boss in order to be eligible for workers' compensation? - ANSWER: ✔✔30 days How far over the top of a roof edge must a ladder extend when leaning against a roof? - ANSWER: ✔✔3 feet How many contacts must the user maintain with a ladder at all times? - ANSWER: ✔✔3 What is the proper footwear for ladder usage? - ANSWER: ✔✔Non slip footwear How far away from a ceiling fan must the fire alarm be placed? - ANSWER: ✔✔3 feet or 36" How often do fire alarms need to be replaced from date of manufacturer? - ANSWER: ✔✔10 Years In what instance can a T-branch/splice be used in adding a fire alarm to existing power source? - ANSWER: ✔✔Never acceptable To whom must the copy of contract be given? - ANSWER: ✔✔The responsible party for the protected premises In a local alarm system, what does the term "local" refer to? - ANSWER: ✔✔A system which activates a risen and does not automatically notify authorities An ionization detector detects fire in what stage? - ANSWER: ✔✔Incipient Acceptable audible notification appliances used in a security system include: - ANSWER: ✔✔Self- contained sirens How often do fire alarms need to be replaced f on date of manufacture? - ANSWER: ✔✔10 years In what instances can a T-branch/splice be used in adding a fire alarm to an existing power source? - ANSWER: ✔✔Never acceptable To whom must the copy of the contract be given? - ANSWER: ✔✔The responsible party or protected premises In a local alarm system, what does the term "local" refer to? - ANSWER: ✔✔A system which activates a siren and does not automatically notify authorities An ionization detector detects fire in what stage? - ANSWER: ✔✔Incipient Required buried depth of cables over an open run? - ANSWER: ✔✔24" A rate of rise heat detector should go off if it detects a _________ degree rise in temperature within one minute? - ANSWER: ✔✔15 degrees Fire wire? - ANSWER: ✔✔Burns slower According to UL how many steps can be taken before a motion detector can activate? - ANSWER: ✔✔4 steps In a 30x30 frame building, which of the following type of motion detectors is least effective? - ANSWER: ✔✔Photoelectric In a passive infrared detector what happens to trigger an alarm? - ANSWER: ✔✔Climate change Smoke detectors must not be installed until? - ANSWER: ✔✔After final construction clean up On a UL mercantile security system a switched personal door shall not open more than _____ without initiation an alarm? - ANSWER: ✔✔2" A burglar alarm system in which alarm initiating circuits and devices are installed at a property and are connected directly or indirectly to constantly monitored receiving equipment at a central supervising station located at the protected property is called a ___ burglar alarm system? - ANSWER: ✔✔Propitiatory Where are smoke detectors required? - ANSWER: ✔✔Bedrooms What code covers safety to life from fire buildings and structures? - ANSWER: ✔✔NFPA 101 Upon receipt of a service request, repairs for a proprietary alarm system shall begin within? - ANSWER: ✔✔18 hours Interior circuit conductors, cabling systems and interconnections, between fire alarm transmission equipment and alarm-receiving equipment in public fire alarm-receiving equipment in a.m. public fire alarm reporting systems shaky comply with? - ANSWER: ✔✔NFPA 70 In a split level residential home, smoke detectors should be installed in? - ANSWER: ✔✔All is the above In a UL burglar alarm system motion detectors shall be installed so that? - ANSWER: ✔✔They're not influenced by outside movement in an unprotected area When heat detectors are installed on peak ceiling a row of detectors must be placed and located at or within _____ of the peak measured horizontally. - ANSWER: ✔✔3 feet Manual fire alarm station shall be located so that no more than ___ feet must be traveled to reach it. - ANSWER: ✔✔200 When placing a spot type smoke detectors ____ feet shall be permitted to be used as a guide - ANSWER: ✔✔30 Burglar alarm system wiring shall be at least ___ away from electric power wire which is not in conduit - ANSWER: ✔✔2 inches According to NFPA 72 a complete unalterable record of the tests and operations of each fire alarm systems shall be kept? - ANSWER: ✔✔Until the next test and for one year thereafter Why do some authorities specify plenum cables? - ANSWER: ✔✔Fire safety A door protected with a contact cannot be open more than ___ without initiating an alarm - ANSWER: ✔✔2" Lead-acid batteries for fire alarm systems shall be charged tested? - ANSWER: ✔✔Annually Heat detectors of the spot type may be located on the ceiling or on the side walls. If I'm the ceiling they must not be less than ___ inches from the side wall. - ANSWER: ✔✔4" A programmable sounding control unit shall be programmed to activate the sounding device of a mercantile burglary alarm system at normal power for not less than ___ upon alarm - ANSWER: ✔✔15 min The organization, office, individual, responsible for approving the equipment, an installation, or a procedure, is called the? - ANSWER: ✔✔Authority having jurisdiction Where different degrees of hazard of contents exists in different parts of a building or structure, which of the following shall govern the classification? - ANSWER: ✔✔The most hazardous When do you install your wire in a pre-wired installation? - ANSWER: ✔✔Before the drywall An air compartment or change to which one or more ducts are connect and that forms part of an air distribution system is called a/an/the? - ANSWER: ✔✔Plenum Smoke and heat detectors shall not be placed in "dead air space". This space is located? - ANSWER: ✔✔4" from any corner Under the maximum normal load, the secondary supply shall have sufficient capacity to operate a local, central station, or proprietary fire alarm system for ____ hours. - ANSWER: ✔✔24 Burglary alarm system interconnections shall not use copper wire and cable smaller than? - ANSWER: ✔✔22 awg What code covers the application, installation, location, performance, and maintenance of fire alarm systems and their components? - ANSWER: ✔✔NFPA 72 Where off-premises monitoring provide, records of all signals, tests, and operations recorded at the supervising station shall be maintained for not less than ___ year(s). - ANSWER: ✔✔1