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33 Cards in this Set
- Front
- Back
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Which of the following fire detectors are commonly used in the power section of an engine nacelle |
Rate of temperature rise detectors |
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What is the function of a fire detection system |
To activate a warning device in the event of a power plant fire |
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Determine the fire extinguisher container pressure limits when the temperature is 75 degrees Fahrenheit |
338 minimum and 424 maximum |
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How are most aircraft turbine engine parts to machine systems activated |
Electrically discharged cartridges |
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How does carbon dioxide co2 extinguish an aircraft engine fire |
Contact with air converts the liquid into snow in gas would smothers the flame |
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What retains the nitrogen charge and fire extinguishing agent in a high rate of discharge HDR container |
Breakable disk and fusible disk |
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A continuous loop fire detector is what type of detector |
Overheat detector |
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What is the operating principle of the spot detector sensor in a fire detection system |
Bimetallic thermal switch that closes when heated to a high temperature |
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How is the fire extinguishing agent distributed in the engine section |
Spray nozzles and preforating tubing |
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Which of the following is the safest fire extinguishing agent to use from a standpoint of toxicity and corrosion hazards |
Bromotrifluoromethane (Halon 1302) |
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Which of the following is not used to detect fires in reciprocating engines nacelles |
Smoke detectors |
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What is the principle of operation of the continuous loop fire detector system sensor |
Core resistant material which prevents current flow at normal temperatures |
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The most satisfactory extinguishing agent for a tailpipe or intake fire is |
Carbon dioxide |
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The explosive cartridge in the discharge valve of a fire extinguisher container is |
A life dated unit |
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Why does one type of finwal fire detection system use spot detectors wired in parallel between two separate circuits |
So that a single fault may exist in the system without sounding a false alarm |
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Which of the following fire detection systems measures temperature rise compared to a reference temperature |
Thermocouple |
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The pulling out or down in luminated fire handle in a typical large jet aircraft fire protection system commonly accomplishes what events |
Closes fuel shutoff closes hydraulics shut off disconnect the generator field and arms the fire extinguishing system. |
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A fire detection system operates on the principle of a buildup of gas pressure within a tube proportional to temperature which of the following systems does this system define |
Lindbergh continuous element system |
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The fire detection system that uses a single wire surrounded by a continuous string of ceramic beads in a tube is the |
Finwal system |
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The fire detection system that uses two wires in bedded in a ceramic or within a tube is the |
Kidde system |
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Hey fuel or oil fire is defined as a |
Class B fire |
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A fire detection system that operates on the rate of temperature rise is a |
Thermocouple system |
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A fire involving energized electrical equipment is defined as a |
Class C fire |
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To continuous loop fire detection systems that will not test due to a broken detector element are the |
Kidde system and the Fenwal system |
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In a fixed fire extinguisher in system there are two small lines running from the system in exiting overboard these lines exit ports are covered with a blowout Type Indicator disc which of the following statements is true |
When the yellow indicator disk is missing it indicates the fire extinguishing system has been normally just discharged |
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The most satisfactory extinguishing agent for an electrical fire is |
Carbon dioxide |
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Which of the following fire detection systems will not detected fire when an element is inoperative but will not test when the test circuit is energized huh |
Kidd system and finwal system |
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Which of the following fire detection systems uses heat in the normal testing of the system |
The thermocouple system in the Lindbergh system |
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After a fire is extinguished or overheat condition removed in aircraft equipment with a syndrone Donner fire detector the detection system |
Automatically resets |
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The use of water on Class D fires |
Will cause the fire to burn more violently and can cause explosions boom b****** |
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For fire detection and extinguishing purposes aircraft power plant areas are divided into fire zones based on |
The volume and smoothness of the air flow through engine compartments |
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What are the fire extinguisher container pressure limits when the temperature is 50°F |
475 - 625 psig |
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True or false fire detection systems are cool |
True |
