Fire protection
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| For a fire to occur, there must be | Fuel,oxygen, and heat
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| A fire with solid combustables is also knows as | Class a fire
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| A fire formed from fuel is also known as | Class b fire
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| A fire which there are electrical circuits is | Class c
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| A fire formed from metal is | Class d fire
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| A wheel well or wing is what kind of fire | Class d
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| The two general categories of fire detection systems are | Continuous loop & spot detector
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| The thermal switch fire detection system Is a | Spot type system
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| Thermal switch fire detection systems respond to a | Pre -set temperature
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| Thermal switch fire detectors are connected in ____ with each other | Parallel
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| A significant advantage of double loop detection circuits is that it can withstand a _____ such as a ____ or ____ circuit without causing false warnings | Fault , short , open
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| Thermocouple fire detection systems may also be known as the ______ | Spot type
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| Carbon dioxide _____ effective on class B & C fires | Is
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| Halogenated hydrocarbons are identified through a system of _____ numbers | Five digit
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| The typical inspection items for portable fire extinguishers are | Weighing , checking gauges
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| HRD extinguishing systems are discharged by an electrically ignited discharge cartridge called a | Squib
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| If an installed fire extinguisher system has been discharged by normal operation the _____ blowout desk will be ruptured | Yellow
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| Almost all type of fire extinguisher containers require ______ to determine the amount of extinguishing agent | Weighing
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| Fire extinguisher containers must be hydrostatically tested every ____ years | Five
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| If a discharge cartridge is removed from a discharge valve it ________ be used in another discharge valve assembly | May not
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| Thermocouple fire detection systems respond to a | Rise of temperature
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| In the thermocouple systems, one thermocouple called the ________ thermocouple is placed in a location that is relatively well protected from the initial flame | Reference
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| The two relays in a thermal couple fire detection system are | Sensitive relay, slave relay
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| More complete coverage of a fire hazard area then as provided by a spot detector system may be obtained using a ________________ fire detection system | Continuous loop
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| The_____Continuous loop system uses two wires inside the Inconel tube | Kiddle
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| A ________fire detection system may also function as an overheat indicator | Continuous loop
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| The two types of sensor responder systems that may be found in use are the | Lynd burg system , system donner
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| What two gases are toxic to humans, may indicate a fire condition and may provide the earliest warning of a dangerous situation | Nitrous- oxide, carbon dioxide
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| ________ type smoke detectors is a small amount of radioactive material to ionize some of the oxygen and nitrogen drove into the unit | Ionization
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| Three types of smoke detection units which may be found on aircraft are | Light refraction, ionization, flame
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| Cabin upholstery materials installed in the current standard category airplane must | Be at least flame resistant
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| In what area of an aircraft would you find a carbon monoxide detector? | Cockpit and/ or cabin
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| What occurs when a visual smoke detector is activated | A lamp within the indicator illuminates automatically
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| The types of fire extinguisher agents for aircraft interior fires are | Water, carbon dioxide, dry chemical, halogenated hydrocarbons
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| When air samples contain carbon monoxide, portable carbon monoxide detectors containing yellow silica gel will turn what color | Green
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| Smoke detection instruments are classified by their method of | Detection
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| Smoke detectors which use a measurement of light transmissibility in the air are called | Photo electric devices
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| A contaminated carbon monoxide portable test unit would be returned to service by | Installing a new indicating element
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| Which fire detection system measures temperature rise | Thermocouple
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| A carbon dioxide handheld fire extinguisher may be used on an electrical fire if the | Horn is non-metallic
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| The proper fire extinguishing agent to use on aircraft brake fire is | Dry powder chemical
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| Smoke in the cargo and/or baggage compartment of an aircraft is commonly detected by what instrument | Photo electric cell
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| Light refraction smoke detectors | Sense light reflected from smoke particles passing through a chamber
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| Why does the fen wall fire detection system use spot detectors wired parallel between two separate circuits | A short may exist in either circuit without causing a false fire warning
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| A fire extinguisher container can be checked to determine its charge by | Weight
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| What is the color code for fire extinguisher lines | Brown
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| The most common cause Of a false fire warnings and continuous loop fire detection system is | Dents , kinks, or crushed sensor sections
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| A thermocouple and a fire detection system causes the warning system to operate because | It generates a small current when heated
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| A thermocouple fire warning system is activated by a | Rate of temperature rise
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| When used in fire detection systems having a single indicator light, thermal switches are wired in | Parallel with each other and in series with the light
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| Built in aircraft fire extinguishing systems are ordinarily charged with | Halogenated hydrocarbons, and nitrogen
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| What method is used to detect a thermal discharge of a belt and fire extinguisher system | A rupture of the red plastic disc in the thermal discharge line
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| The thermal switches on a bimetallic thermal switch type fire detection system are heat sensitive units that complete circuits at a certain temperature. they are connected in | Parallel with each other, but in series with the indicator lights
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| On a periodic check of fire extinguisher containers, the pressure was not between minimum and maximum on it. what procedure should be followed? | Replace the extinguisher container
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| And some fire extinguishing systems, evidence that the system has been intentionally discharged as indicated by the absence of a | Yellow disk on the side of the fuselage
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| If a fire extinguisher cartridge is removed from a discharge valve for any reason it | Is recommended that the cartridge be used only on the original discharge valve assembly
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| Which fire extinguisher agent is considered to be the least toxic | Carbon dioxide
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| Maintenance of fire detection systems include the | Replacement of damaged sensing elements
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| A squib, as used in fire protection system is a | Device for causing the fire extinguishing agent to be released
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| Halon 1301 | Flooding agent
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| Halon 1211 | Streaming agent
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Created by:
Bnich
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