Term
| Causes of wire degregation |
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Definition
Age
physical properties
environment
installation
maintenance |
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| Wire shielding termination |
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Definition
Ferral
solder sleeve
crimping |
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Definition
Direct - machine printed onto wire
indirect - heat shrink printed label |
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Definition
| Eliminate potential chafing against structure or other components |
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Term
| Factors of wire substitutions |
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Definition
sufficient mechanical strength
voltage drop
proper circuit protection device
current carrying requirements |
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Definition
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Term
| Lacing cord and tie straps |
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Definition
used when supports are more than 12 inches apart
use approved cords and straps |
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Term
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Definition
troubleshooting
wire diagrams
electrical schematic diagrams
Fault isolation manual
wiring parts catalog |
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Term
| What reading would an Ohmmeter indicate if a resistor being measured is open? |
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Definition
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Definition
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Definition
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Definition
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Definition
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Term
| List 4 possible problems that would result in a landing light not illuminating |
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Definition
Circuit breaker popped
switch broken
light blown
open in wire/circuit |
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Term
| List the 3 types of wire diagrams used in aviation |
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Definition
Schematic
logic
block
pictorial |
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Term
| What is it meant by a schematics effectivity? why is it important? |
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Definition
The model/serial numbers/etc that apply to that schematic
It tells you if that diagram applies to the aircraft you are working on |
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Term
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Definition
Effectivity number is the aircraft's model number
Differentiates changes between models |
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Term
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Definition
Ask question
Understand system
Flow chart
wire diagram
trends |
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Term
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Definition
Time Domain Reflector
Used to find a breach in a coaxial cable |
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Term
| Quick Disconnect plug problems |
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Definition
corrosion- inside the shell- caused by moisture
Contamination- causes arching
Loss of pin tension |
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Term
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Definition
| Single conductor surrounded by an insulation |
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Term
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Definition
a group of 2 or more conductors separately insulated and grouped together by shielding or a coaxial
(triple wire we used) |
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Term
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Definition
American wire guage
the bigger the number the smaller the wire |
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Term
| Resistance of a conductor |
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Definition
Type of material
length
diameter
Temperature coefficient |
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Term
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Definition
Flexibility
corrosion resistant
weight |
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Term
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Definition
Connects 10 block studs or terminal studs
has 2 barrels
red = 18-22
blue = 14-16
yellow = 10-12
no more than 3-4 lugs per stud (but can bridge 2 studs with a bar to allow for more terminals from one source) |
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Term
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Definition
Weight ratio better than copper wire
corrosion is a factor |
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Term
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Definition
1. Battery DC
2. Generator (ac/dc)
3. Alternator (DC)
4. External (AC/DC)
5. Ram Air Turbine (AC/DC)
6. APU (AC/DC)
7. Inverter (AC)
8. Transformer Rectifier Unit (DC) |
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Term
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Definition
Teflon - Polytetrafluoroethylene
Tefzel- ETFE- Ethylene tetrafluoroethylene
**PVC-- DO NOT USE IN AVIATION |
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