The flashcards below were created by user
silverstein
on FreezingBlue Flashcards.
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-wire will break when subjected to vibration stranded or solid?
Solid
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-what 2 things must be considered during selection of wire size?
Environment, length, voltage drop, type of load\
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-what is used to protect the wire bundle from chaffing when passing through hole in a bulkhead or frame
Gromment
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-How are wires protected when they pass through an area oif high temperature?
Conduit fiberglass insulation
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-what is the minimum separation between wires and fluid linbes that carry combustable fluid?
6"
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-what is the significance of the color of the solderless connectors that are used in aircraft electrical?
Size of the wire
- Red 18-22
- blue 14-16
- yellow 10-12
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-what is the purpose of the shielding that is used to encase somne electrical wires on aircraft?
RFI
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-what is used as a rectifier to produce direct current in a DC generator?
Commutator and brushes
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-what is meant by paralleling the generators in a twin engine aircraft?
You are adjusting the generators so that they share the load equally
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-what is meant by flashing the field of a DC generator?
Restoring residual magnetism and the proper polarity
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-what is used to maintain the constant frequency of alternating current that is produced by an AC alternator driven by an aircraft turbine engine?
Voltage, frequency, and amperage
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-does a series wound dc motor have high or low starting torque?
High torque
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Which aircraft electrical circuit does not normally contain a fuse of circuit breaker
Starter Motor
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when removing a battery from an aircraft which connection should be removed first
ground
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what is a starter generator
Serves as a starter and then after startup acts as a generator
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when should aircraft wiring be installed in a conduit
Anywhere that the wire could be subject to damage (wheel wells, Cargo Area)
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What causes initial excitation in a DC generator
residual magnetism
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what causes initial excitation in a DC alternator
Battery
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If the points of a voltage regulator stuck closed what would be the result
increased output
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Which wire can carry more current 16awg or 12awg
12awg
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Whats the max spacing for wire clamps
24"
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how and where is the master switch wired in an electrical system
creates a ground path to the master solenoid
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