Turbine Fire Protection Study Guide revised Flashcards
Which operation still provides a loop fire protection in a two-wire thermal switch detector system?
open loop and LOOP B
There are two distinct fire zones on a turbine engine. They are the _____ section and _____ section
Hot, Cold
In a spot detection system, which one will still work if one probe activates?
Two wire system
What are the three principles required for a fire to occur?
Fuel (Source of burning substance)
Oxygen (Feeds the Fire)
spark (Spark, Hot Spot, Ash, Etc.)
The Turbine fire extinguishing system is separate from the airframe fire extinguishing system.
False
Engine nacelle fire extinguishing fire bottles are pressurized between ___ and ___ p.s.i.g.
500 and 600 p.s.i.g
True or False: After engine wash, it’s common practice to spray the inlet with preservatives.
True
Fire bottles for the engine extinguishing system are only stored in the engine pylon.
False, they’re stored damn near any where
Which FAR does not pertain to turbine fire protection?
145 look which one that are
Which system is not a common type of turbine surveillance system?
SMOKE DETECTOR
Of the two types of thermal switch systems, which one cannot be set into series?
Old Kidde system
According to the FARs a fire detection system must tell you that a fire has started and ____.
when a fire is out.
According to the FARs each external line, fitting, or other component that contains flammable liquid ________.
Must be fire resistant or fire proof
What is another name for a thermal switch?
spot detector
In a thermal switch fire detection system, the detectors are wired in what kind of circuit?
Parallel
A thermocouple in a fire detection system causes the warning system to operate because____.
It generates a small current when heated
Which of the following detectors is considered a rate of temperature rise type?
thermocouple
A Fenwal continuous loop system has ____.
Ceramic beads wetted with eutectic salts, single conductor
When a section of a Fenwal continuous loop system is exposed to fire?
Its electrical resistance goes down
What will the detector resistance do when heat is detected in a Kidde continuous loop fire detector?
decrease
A Lindbergh fire system detects____.
both fire and overheat
What happens when a Lindbergh continuous-length sensor is exposed to fire?
. It’s internal pressure goes up
A Lindbergh continuous element fire detection bell is activated by?
gas pressure
Smoke detectors would most likely not be used on turbine engines because?
They can’t detect hot air leaks (maybe)
Smoke detectors are classified by their method of
Detection
Type A fires can usually be extinguished most effectively with _____.
Water
What type of fire extinguishing agent would you not use on an aircraft turbine fire?
Water
Which agent chemically interferes with combustion and displaces oxygen to put out a fire?
Halon1301
How can a fire suppressant agent be charged in a fire bottle?
they are charged with nitrogen
What is the color code for fire extinguisher lines?
brown
If the red disc is missing from the aircraft exterior it indicates (HRD system)?
bottle discharged due to overheat
The most popular type of fire extinguishing agent used in the HRD system is ____.
Halon 1301
If the yellow disc is missing from the aircraft exterior it indicates (HRD system)?
bottle discharged due to normal operation
What will happen when the pilot pulls the fire T-handle in modern airliner?
uncovers bottle discharge switch
arms the fire extinguishing bottle discharge switch
stops the flow of fuel and hydraulic fluid to the engine
disconnects the generator field relay
What are smoke detectors classified as?
spot detectors
What is the best fire extinguishing agent used to extinguish an intake fire?
CO2
A combustor fire occurs on a turbine engine, what should you do?
cut fuel and run engine
After a fire is extinguished, or overheat condition removed in aircraft equipped with a Systron-Donner fire detector, the detection system:
automatically resets
In a fixed fire extinguishing system, there are two small lines running from the system and exiting overboard. These line exit ports are covered with a blowout type indicator disc. Which of the following is true?
When the yellow indicator disk is missing, it indicates the fire extinguishing system has been normally discharged.
In an engine compartment (Nacelle), which class fire zone would be identified by having a large quantity of airflow across a similarly shaped obstruction area?
Class A
The explosive cartridge in the discharge valve of a fire-extinguisher container is a ________
.A life-dated unit.
What type of extinguishing agent would you use on a Class D fire?
Dry powder chemical
In an APU compartment, which class fire zone would be identified by a small amount of airflow through the compartment?
Class C
What type of extinguishing agent would you use on a fire in the turbine section?
CO2
What would you use to test a fire detection system?
Jetcal analyzer
Which statement is true according to FAR 33.
Construction of turbine engines.
Thermal switch fire detection units respond to a ____ temperature.
Pre-set Tempeture
What is burning in the different classifications of fires?
A. Solids
B. Liquids
C. energized electrical
D. Metals
