Quiz 1 Flashcards
What is Direct Bonding?
Metal-to-metal contact using welding, soldering, or bolted connections
What is Indirect Bonding primarily used for?
Parts that move, use dissimilar metals, or may corrode
How should wiring be routed regarding equipment and structures?
Clamped to maintain at least 3/8” clearance
What is the minimum bend radius for wire bundles?
10x the largest wire’s outside diameter
What is the purpose of a drip loop in wiring?
Prevent fluid entry into connectors
What is the typical service loop length?
3-6 inches
How should wiring be routed near fluid lines?
At least 6” above or 2” apart
What is the maximum spacing for wire bundle clamps?
24 inches
What is SWAMP in aircraft wiring?
Areas exposed to severe wind and moisture
What is required when clearance through a bulkhead is less than 3/8”?
Suitable grommets
What is the purpose of standoffs in wiring?
Maintain clearance from structure
How should wires be routed near mechanical control cables?
At least 1/2” separation under hand pressure
What causes Electromagnetic Interference (EMI)?
Radio waves inducing voltages in wiring
What is the difference between grounding and bonding?
Grounding provides earth path, bonding connects metal parts
What is the maximum allowable voltage drop in a 28V circuit?
1V
What is the purpose of shielded wire?
Contain electromagnetic radiation
What is included in Receiving Inspection?
Verification against purchase orders and specifications
How should suspected unapproved parts (SUP) be handled?
Red-tagged and quarantined
What is direct wire marking?
Printing identification directly on wire insulation
How often should wire identification appear?
Maximum 15-inch intervals
What does TSO authorization allow?
Manufacturing to minimum standards
What is the purpose of schematic diagrams?
Illustrate principles of operation
How should aviation parts be stored?
Following manufacturer’s preservation methods
What is included in Preliminary Inspection?
Visual damage check and documentation review
What prevents Radio Frequency Interference (RFI)?
Proper grounding and bonding
What is the maximum resistance for a bonding jumper?
0.003 ohm
How should bonding surfaces be prepared?
Remove non-conductive finishes
What is the purpose of static wicks?
Dissipate static electricity
What protects aircraft radomes from lightning?
Lightning diverter strips
What factors affect wire/cable selection?
Current requirements and voltage drop
