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questions and 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? - correct answer 10 AC stands for - correct answer Alternating current Which of the following jacks is used to interface the digital communicator with the telephone line? - correct answer RJ31X An electronic access control system is designed to: - correct answer Allow authorized individuals in while keeping unauthorized individuals out. What is the VDC in a circuit with 100ohms and 0.1A? - correct answer 10V Which of the following factors increases the chance of shock or electrocution? - correct answer High humidity
questions and answers
How soon after injury in the job-site must you inform your boss in order to be eligible for workers' compensation? - correct answer 30 days How far over the top of a roof edge must a ladder extend when leaning against a roof? - correct answer 3 feet How many contacts must the user maintain with a ladder at all times? - correct answer 3 What is the proper footwear for ladder usage? - correct answer Non slip footwear How far away from a ceiling fan must the fire alarm be placed? - correct answer 3 feet or 36" How often do fire alarms need to be replaced from date of manufacturer? - correct answer 10 Years In what instance can a T-branch/splice be used in adding a fire alarm to existing power source? - correct answer Never acceptable
questions and answers
In a local alarm system, what does the term "local" refer to? - correct answer A system which activates a siren and does not automatically notify authorities An ionization detector detects fire in what stage? - correct answer Incipient Acceptable audible notification appliances used in a security system include - correct answer Self contained sirens What should the alarm system do if a door sensor is removed for cleaning? - correct answer Send a component specific supervisory signal What method does a pir use to detect - correct answer Change of climate When are fire alarms to be installed in a new home? - correct answer After all construction is done
questions and answers
How often do fire alarms need to be replaced from date of manufacturer? - correct answer Every 10 Years What is the minimum tome length required for a household burglar siren to go off before it can automatically reset? - correct answer 4 minutes What is the minimum tome length for a commercial burglar siren to go off before it can automatically reset? - correct answer 15 minutes What is the minimum time length required for a household fire alarm siren to go off before it can automatically reset? - correct answer 5 minutes What is the minimum tome length for a commercial alarm siren to go off before it can be automatically reset? - correct answer Until manually reset What method should power this alarm system? - correct answer Normal power supply Which of these devices can be used on alarm systems auxiliary power? - correct answer Key pad
questions and answers
The acronym OSHA means? - correct answer Occupational safety and hazard administration Low voltage wiring means? - correct answer Below 40v???? A ladder extended 20 feet shall be how many feet from the wall at its base? - correct answer 5 feet The thermometer in the circle means? - correct answer Heat detector What color shall a fire alarm strobe light be? - correct answer White or clear What is the testing frequency of smoke detectors, heat detectors and fire alarm boxes? - correct answer Annually When running communication cables over a roof with a 4" and a 12" slope what is the minimum distance the cable can be from the roof? - correct answer 3 feet
questions and answers
Required buried depth of cables over an open run? - correct answer 24" A rate of rise heat detector should go off if it detects a _________ degree rise in temperature within one minute? - correct answer 15 degrees Fire wire? - correct answer Burns slower According to UL how many steps can be taken before a motion detector can activate? - correct answer 4 steps In a 30x30 frame building, which of the following type of motion detectors is least effective? - correct answer Photoelectric In a passive infrared detector what happens to trigger an alarm? - correct answer Climate change Smoke detectors must not be installed until? - correct answer After final construction clean up
questions and answers
reporting systems shaky comply with? - correct answer NFPA 70 In a split level residential home, smoke detectors should be installed in? - correct answer All is the above In a UL burglar alarm system motion detectors shall be installed so that? - correct 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. - correct answer 3 feet Manual fire alarm station shall be located so that no more than ___ feet must be traveled to reach it. - correct answer 200 When placing a spot type smoke detectors ____ feet shall be permitted to be used as a guide - correct answer 30
questions and answers
Burglar alarm system wiring shall be at least ___ away from electric power wire which is not in conduit - correct answer 2 inches According to NFPA 72 a complete unalterable record of the tests and operations of each fire alarm systems shall be kept? - correct answer Until the next test and for one year thereafter Why do some authorities specify plenum cables? - correct answer Fire safety A door protected with a contact cannot be open more than ___ without initiating an alarm - correct answer 2" Lead-acid batteries for fire alarm systems shall be charged tested? - correct 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. - correct answer 4"
questions and answers
Smoke and heat detectors shall not be placed in "dead air space". This space is located? - correct 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. - correct answer 24 Burglary alarm system interconnections shall not use copper wire and cable smaller than? - correct answer 22 awg What code covers the application, installation, location, performance, and maintenance of fire alarm systems and their components? - correct 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). - correct answer 1 In new construction, when two or more smoke alarms are in a living unit and one activates, the other units shall? - correct answer Activate
questions and answers
According to NFPA a "zone" is a defined area with the? - correct answer Protected premises An alarm system where a UL burglar alarm certificate is in effect shall be inspected at least? - correct answer Annually Storage batteries shall have sufficient capacity to operate a proprietary burglar alarm system under maximum. Intended load for a period of? - correct answer 24 hours What signal type requires immediate dispatch to the public fire device communications center? - correct answer Alarm What does a mercantile burglar alarm mean? - correct answer Commercial system Ionized smoke detectors use what material to detect smoke? - correct answer Radioactive
questions and answers
When using a Volt Ohm Meter (VOM) to measure a resistance you should? - correct answer Remove the component from the circuit To calculate the total resistance of a series circuit you would do what with the value of any resister? - correct answer Add all resistors in the circuit On a 2"x4" board when drilling a hole for a few wire run how close can you drill to the edge of the board? - correct answer Not less than 1.25 in A cable type that is suitable for running in air ducts and spaces between floor and ceiling uses a fire coating that must comply with building code is? - correct answer Riser cable The distance between a cable tray and the raceway(s) or equipment shall not exceed? - correct answer 6 feet If the current is 2.5 amperes and the voltage equals 12 volts, what is the wattage? - correct answer 30
questions and answers
What is NEC for? - correct answer Safety The term for the flow of electrons through a circuit is called? - correct answer Current How many inches apart do class 1 lines have to be from class 2 or class 3 lines? - correct answer 2 What is Ampacity? - correct answer Current When is the control unit for the alarm system allowed to he outside the monitored area? - correct answer When it is supervised to annunciate tampering In a class b circuit, when the wire is broken, what is still functioning? - correct answer Everything in the circuit before the break The typical location of an RJ31X is? - correct answer Inside the alarm box What is unique about the character of AC? - correct answer Changing polarity 60 times a second
