Each light module in the Main Caution Panel receives power from a ________ .
Respective system sensor
When the Master Caution Light illuminates, it draws the pilot's attention to the ________.
Main Caution Panel
Pressing the lens of the Master Caution Light gates a _______ within a Main Caution Panel light module.
Name the lights that burn bright only(never dim).
(1) Master Caution Light
(2) Nosewheel Steering Light
(3) Radar Alt Low Light
Name the lights that burn both bright and dim.
(1) Main Caution Panel Light
(2) Four Module Horizontal Light
The Flt Inst switch and White flood switch are ________ type switch.
With the Anti-skid switch ON, the Anti-skid light on the Main Caution Panel is _________.
A gated reset SCR in any module of the Main Caution Panel continues to conduct until the ________ no longer exists.
What happens to the Master Caution Light when a reset SCR in any module of the Main Cation Panel is gated?
The Test Switch controls voltage to which components ?
When the Dim relays energize, what component in the Main Caution Panel is used to dim the bulbs ?
If the Main Caution Panel lights will not stay dim, what two switches may be in the wrong position ?
White Flood switch or/and Flt Inst switch
Placing the Brt/Dim switch to BRT will break what circuit?
Dim holding circuit
In a Fire and Overheat Warning System, Detectors are heat or light sensitive switches that actuate during what conditions?
Heat or light sensitive switches actuated during Overheat or Fire conditions.
Another name for a photoelectric detector is?
In a Fire and Overheat Warning System; When heated, the outer shell of the Fenwal detector expands and causes the ________ on the struts to touch.
In a Fire and Overheat Warning System: before the Continuous Loop reaches alarm temperature, the resistance between the center conductor and the outer tubing is?
1 MΩ or higher
In a Fire and Overheat Warning System; During a fire or overheat condition, the resistance between the center conductor and the outer tubing is?
150Ω or less
The Continuous Loop connects to the Fire or Overheat System using high temperature wires, these wires are able to withstand ______ °F for 5 minutes.
In a Fire and Overheat Warning System; the Temperature-Sensitive Insulation have a ______ temperature coefficient.
(Temperature increases the resistance decreases and vice versa)
As the temperature of the Continuous Loop increases, the insulation resistance between the center conductor and the outer tubing ?
In a Fire and Overheat Warning System; when the system reaches the alarm temperature, the Engine Fire light will illuminate approximately ______ seconds later.
In a Fire and Overheat Warning System; Once the system falls below alarm temperature, the system will reset(Engine Fire light goes out) approximately ____ seconds later.
What is the alarm temperature of Fire detectors located in engine bay or nacelles.?
765 ± 5°F
What is the alarm temperature of Overheat detectors located in engine bay and nacelles?
575 ± 5°F
What is the alarm temperature of Overheat detectors located near Fuel tank and Bleed air duck ?
400 ± 5°F
Which two lights illuminate when an overheat condition causes ?
Main Caution Panel Light and Master Caution Light
In a fire condition what are the two warnings.
A fire conditon causes the Engine fire light illuminate and projects the word "WARN" on the Heads-Up Display(HUD)
The Fire and Overheat Detect Switch is a ?
Push button switch
If you press the Fire and Overheat Detect Switch and the Engine Fire Light illuminates, you know the system has no __________.
If you place the Loop Test Switch to LOOP1 TEST, you have intentionally grounded _____ .
If you place the Loop Test Switch to either LOOP 1 TEST or LOOP 2 TEST and the Engine Fire Light does not illuminate, you know that there are no _____
in the circuit.
If the Engine Fire Light illuminates during a Loop 2 Test, it indicates that there is a short in _____.
When the Test Relay energizes, it provides a _____ for both loops.
NESA Anti-Ice System; as the temperature of the No.1 window increases, the resistance of the Sensing Element _______ ?
NESA Anti-Ice System; When the resistance of the Sensing Element drops to 330Ω or less, what is the output at pin 6 of the bridge circuit ?
NESA Anti-Ice System; A positive output at pin 6 of the Bridge Rack causes the Signal Amplifier to provide a ground to the ?
NESA Anti-Ice System; when the resistance of the Sensing Element reaches ____ Ω, the Power Relay De-energises.
The Copilot's No.2 window does not have a ______.
(Uses the Sensing Element of the Pilot's No. 1 window for heat control)
Moving the Heat Control switch from LOW to HIGH causes the Pilot's No. 1 window heat to ...
Remain the same
The No. 4 and No. 5 windows are wired in _______ .
NESA windows #3, 4 and 5; When did the thermal snap switches closes ?
Thermal snap switches close below 100°F and opens at 100°F or greater.
NESA Window #1 layers
(1) Inner pane:- Thick glass, withstand the pressurization.
(2) Vinyl plastic core:- Makes window shatterproof
(3) Sensing element:- Sensing window temperature
(4) Conductive coating:- Layer that heats up
(5) Outer pane:- Eliminates visual distortion