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Fire protection
| Question | Answer |
|---|---|
| For a fire to occur, there must be | Fuel,oxygen, and heat |
| A fire with solid combustables is also knows as | Class a fire |
| A fire formed from fuel is also known as | Class b fire |
| A fire which there are electrical circuits is | Class c |
| A fire formed from metal is | Class d fire |
| A wheel well or wing is what kind of fire | Class d |
| The two general categories of fire detection systems are | Continuous loop & spot detector |
| The thermal switch fire detection system Is a | Spot type system |
| Thermal switch fire detection systems respond to a | Pre -set temperature |
| Thermal switch fire detectors are connected in ____ with each other | Parallel |
| 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 |
| Thermocouple fire detection systems may also be known as the ______ | Spot type |
| Carbon dioxide _____ effective on class B & C fires | Is |
| Halogenated hydrocarbons are identified through a system of _____ numbers | Five digit |
| The typical inspection items for portable fire extinguishers are | Weighing , checking gauges |
| HRD extinguishing systems are discharged by an electrically ignited discharge cartridge called a | Squib |
| If an installed fire extinguisher system has been discharged by normal operation the _____ blowout desk will be ruptured | Yellow |
| Almost all type of fire extinguisher containers require ______ to determine the amount of extinguishing agent | Weighing |
| Fire extinguisher containers must be hydrostatically tested every ____ years | Five |
| If a discharge cartridge is removed from a discharge valve it ________ be used in another discharge valve assembly | May not |
| Thermocouple fire detection systems respond to a | Rise of temperature |
| In the thermocouple systems, one thermocouple called the ________ thermocouple is placed in a location that is relatively well protected from the initial flame | Reference |
| The two relays in a thermal couple fire detection system are | Sensitive relay, slave relay |
| 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 |
| The_____Continuous loop system uses two wires inside the Inconel tube | Kiddle |
| A ________fire detection system may also function as an overheat indicator | Continuous loop |
| The two types of sensor responder systems that may be found in use are the | Lynd burg system , system donner |
| 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 |
| ________ type smoke detectors is a small amount of radioactive material to ionize some of the oxygen and nitrogen drove into the unit | Ionization |
| Three types of smoke detection units which may be found on aircraft are | Light refraction, ionization, flame |
| Cabin upholstery materials installed in the current standard category airplane must | Be at least flame resistant |
| In what area of an aircraft would you find a carbon monoxide detector? | Cockpit and/ or cabin |
| What occurs when a visual smoke detector is activated | A lamp within the indicator illuminates automatically |
| The types of fire extinguisher agents for aircraft interior fires are | Water, carbon dioxide, dry chemical, halogenated hydrocarbons |
| When air samples contain carbon monoxide, portable carbon monoxide detectors containing yellow silica gel will turn what color | Green |
| Smoke detection instruments are classified by their method of | Detection |
| Smoke detectors which use a measurement of light transmissibility in the air are called | Photo electric devices |
| A contaminated carbon monoxide portable test unit would be returned to service by | Installing a new indicating element |
| Which fire detection system measures temperature rise | Thermocouple |
| A carbon dioxide handheld fire extinguisher may be used on an electrical fire if the | Horn is non-metallic |
| The proper fire extinguishing agent to use on aircraft brake fire is | Dry powder chemical |
| Smoke in the cargo and/or baggage compartment of an aircraft is commonly detected by what instrument | Photo electric cell |
| Light refraction smoke detectors | Sense light reflected from smoke particles passing through a chamber |
| 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 |
| A fire extinguisher container can be checked to determine its charge by | Weight |
| What is the color code for fire extinguisher lines | Brown |
| The most common cause Of a false fire warnings and continuous loop fire detection system is | Dents , kinks, or crushed sensor sections |
| A thermocouple and a fire detection system causes the warning system to operate because | It generates a small current when heated |
| A thermocouple fire warning system is activated by a | Rate of temperature rise |
| 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 |
| Built in aircraft fire extinguishing systems are ordinarily charged with | Halogenated hydrocarbons, and nitrogen |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Which fire extinguisher agent is considered to be the least toxic | Carbon dioxide |
| Maintenance of fire detection systems include the | Replacement of damaged sensing elements |
| A squib, as used in fire protection system is a | Device for causing the fire extinguishing agent to be released |
| Halon 1301 | Flooding agent |
| Halon 1211 | Streaming agent |
Created by:
Bnich
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