Term
| what types of fire detector systems are used for engine fire detection |
|
Definition
overheat
rate of rise and
flame detector |
|
|
Term
| how does a thermal switch fire protection system operate |
|
Definition
| when heated past a predetermined temp., the switch closes causing the warning devices in the cockpit to activate |
|
|
Term
| how many thermal switches are needed in a thermal switch fire protection system |
|
Definition
|
|
Term
| what kind of fire detection system allows more complete coverage than a spot-type system |
|
Definition
|
|
Term
| what happens if an engine equipped with a thermocouple fire warning system overheats slowly |
|
Definition
| nothing, because a rapid heating is required for this type of fire system |
|
|
Term
| what electrical power is required for a thermocouple fire protection system to operate |
|
Definition
| both the thermocouple-produced power and aircraft electrical system are required |
|
|
Term
| what is the likely cause of a false fire warning |
|
Definition
| sensing loop is bent or kinked excessively |
|
|
Term
| what are fire extinguishing systems designed to do |
|
Definition
| dilute the oxygen levels to a point that does not allow combustion, or to reduce temp. below the ignition point |
|
|
Term
| describe how a kidde and fenwal continuous loop fire protection system functions |
|
Definition
|
|
Term
| what elements must be present for a fire to occur |
|
Definition
ignition source
fuel and
oxygen |
|
|
Term
| what group of fire extinguishing agents are no longer manufactured because of environmental concerns |
|
Definition
|
|
Term
| how are fire extinguishing agents distributed |
|
Definition
| through perforated tubing and/or discharge nozzles |
|
|
Term
| what is the purpose of the discharge cartridge and how is it activated |
|
Definition
| used to release fire extinguishing agent |
|
|
Term
| how is a fire extinguisher system with a high rate of discharge classified |
|
Definition
| HRD fire extinguisher system |
|
|
Term
| what do the red and yellow discs in a fire extinguishing system indicate |
|
Definition
yellow-normal discharge
red-thermal discharge |
|
|
Term
| how is the fire extinguishing agent in an HRD system distributed, and how long does it take to discharge |
|
Definition
| through a series of high pressure tubes and takes 1 to 2 seconds to discharge |
|
|
Term
| what is the purpose of a pressure gauge in a fire extinguishing system |
|
Definition
| indicates the pressure within the container |
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