Term
How are most aircraft turbine engine fire extinguishing systems activated?
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Definition
Electrically discharged cartridges.
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Term
(Refer to figure 3.)
What are the fire-extinguisher container pressure limits when the temperature is 50 F?
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Definition
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Term
The pulling out (or down) of an illuminated fire handle in a typical large jet aircraft fire protection system commonly accomplishes what events?
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Definition
Closes fuel shutoff, closes hydraulic shutoff, disconnects the generator field, and arms the fire extinguishing system.
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Term
(Refer to figure 2.)
Determine the fire extinguisher container pressure limits when the temperature is 75 *F.
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Definition
338 minimum and 424 maximum.
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Term
How does carbon dioxide (CO2) extinguish an aircraft engine fire?
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Definition
Contact with the air
converts the liquid into
snow and gas which
smothers the flame.
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Term
A fire detectin system operates
on the principle of a buildup of gas pressure
within a tube proportional to temperature.
Which of the following systems does
this statement define?
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Definition
Lindberg continuous elements system.
T/k/L
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Term
Two continuous-loop
fire detection systems
that will not test due to a
broken detector element are the
2015 EFPS
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Definition
Kidde system and the Fenwal system.
KL/TL/KF
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Term
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 tube indicator disc. Which of the following statements is true?
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Definition
When the yellow indicator disc is missing, it indicates the fire extinguishing system has been normally discharged.
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Term
Which of the following fire detectors are commonly used in the power section of an engine nacelle?
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Definition
Rate of temperature rise detectors.
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Term
Which of the following fire detection systems uses heat in the normal testing of the system?
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Definition
The thermocouple system
and the Lindberg system.
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Term
What is the function of a fire detection system?
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Definition
To activate a warning device in the event of a powerplant fire.
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Term
For fire detection and extinguishing purposes, aircraft powerplant areas are divided into fire zones based on
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Definition
the volume and smoothness of the airflow through the engine compartments.
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Term
The fire detection system that uses a single wire surrounded by a continuous string of ceramic beads in a tube is the
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Definition
Fenwal system.
T/K/F
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Term
Why does one type of Fenwal fire detection system use spot detectors wired in parallel between two separate circuits?
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Definition
So that a single fault may exist in the system without sounding a false alarm.
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Term
A fire detection system that operates on the rate of temperature rise is a
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Definition
thermocouple system.
T/T/C/ Thermo
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Term
Which of the following is NOT used to detect fires in reciprocating engine nacelles?
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Definition
Smoke detectors.
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Term
A fuel or oil fire is defined as a
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Definition
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Term
Which of the following fire detection systems will detect a fire when an element is inoperative but will not test when the test circuit is energized?
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Definition
The Kidde system and the Fenwal system.
KT/TL/KF
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Term
The most satisfactory extinguishing agent of a tailpipe or intake fire is carbon dioxide.
How is the fire extinguishing agent distributed in the engine section?
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Definition
Spray nozzles and perforated tubing.
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Term
How is the fire extinguishing
agent distributed in the engine section?
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Definition
Spray nozzles and perforated tubing.
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Term
A continuous loop fire
detector is what type of detector?
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Definition
Overheat detector.
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Term
Which of the following is the safest fire extinguishing agent to use from a standpoint of toxicity and corrosion hazards?
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Definition
Bromotrifluoromethane (Halon 1301)
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Term
The explosive cartridge in the discharge valve of a fire extinguisher container is a life dated unit.
The fire detection system that uses two wires imbedded in a ceramic core within a tube is the
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Definition
Kidde system.
L/F/K
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Term
The fire detection system that uses two wires imbedded in a ceramic core within a tube is the
2015 EFPS |
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Definition
Kidde system.
L/F/K
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Term
The use of water on class D fires
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Definition
will cause the fire to burn more
violently and can cause explosions.
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Term
What is the principle of operation
of the continuous loop fire
detector system sensor?
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Definition
Core resistance material which
prevents current flow at
normal temperatures.
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Term
The most satisfactory extinguishing
agent for an electrical fire is
2015 EFPS |
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Definition
carbon dioxide.
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Term
A fire involving energized
electrical equipment is defined as a
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Definition
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Term
What is the operating principle of the
spot detector sensor in a fire
detection system?
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Definition
A bimetallic thermoswitch that closes
when heated to a high temperature.
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Term
Which of the following fire detection systems measures temperature rise compared to a reference temperature?
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Definition
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Term
What retains the nitrogen charge and fire extinguishing agent in a high rate of discharge (HRD) Container?
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Definition
Breakable disk and fusible disk.
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Term
After a fire is extinguished, or overheat condition removed in aircraft equipped with a
Systron-Donner fire detector, the detection system
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Definition
automatically resets.
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