Term
| which of the following choices correctly reflects basic atomic particle placement in an atom |
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Definition
| protons and neutrons in the nucleus with the elctrons in orbit |
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Term
| to be classified as stable, the atom must have a balance between the number of |
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Definition
|
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Term
| an electrically unbalanced item is called |
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Definition
|
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Term
| haphazard alignment of the individual molecules causes the effects of their magnetic poles to |
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Definition
|
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Term
| if all the individual magnetic dipoles stay aligned when the magnetizing force is removed, a steel bar becomes |
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Definition
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Term
| magnetic lines of force never |
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Definition
|
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Term
| which of the following substances is an insulator |
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Definition
|
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Term
| what is the unit of measure of electro motive force |
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Definition
|
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Term
| what does the term current refer to |
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Definition
| quantity of electrons flowing past a given point during 1 second |
|
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Term
| the temperature coefficient refers to the |
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Definition
| amount of resistance change in relation to temperature change |
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Term
| what is the measure of resistance to current flow |
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Definition
|
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Term
| any time that a conductor serves as the path for electrons to flow, it |
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Definition
| develops a magnetic field |
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Term
| what effect does arranging the conductor into a coil have on the magnetic lines of force |
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Definition
|
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Term
| what effect will increasing the current have on an electro magnet |
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Definition
| strengthens the magnetic field |
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Term
| what are the 3 basic components of a chemical battery |
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Definition
| electrolyte, cathode, and anode |
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Term
| which component of a battery generates the negatice charge during operation |
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Definition
|
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Term
| which component of a battery generates the positive charge during operation |
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Definition
|
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Term
| the flow of electrons in a battery is always from the |
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Definition
|
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Term
| if a conductor is passed through a magnetic field so that it will pass through the lines of force, it will generate |
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Definition
|
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Term
| static electricity refers to |
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Definition
|
|
Term
| static charges tend to remain in the localized area of contact for long periods in |
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Definition
|
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Term
| the conductivity of some insulating materials is increased by the absorption of |
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Definition
| moisture under high humidity conditions |
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Term
| what is the most common type of resistor used in electronics |
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Definition
|
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Term
| wire wound resistors are more accurate than carbon composition resistors because |
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Definition
| the length of wire can be adjusted during manufacture |
|
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Term
| a two-terminal variable resistor is a |
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Definition
|
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Term
| a three terminal variable resistor is a |
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Definition
|
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Term
| what is a mechanical device used to connect and disconnect a circuit at will |
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Definition
|
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Term
| what is the moveable part of the switch that is namipulated to complete or open the elctrical circuit or circuits to allow or inhibit the flow of electrons |
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Definition
|
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Term
| fuses in aelectrical systems are rated according to the |
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Definition
| ampere load they can carry without blowing |
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Term
| what type of circuit breaker is opened by a coil when the currenct exceeds the value set at the factore |
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Definition
|
|
Term
| what type of circuit breaker is opened by a bimetallic strip when excess current is experiences in a circuit |
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Definition
|
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Term
| which type of circuit breaker can be opened as well as closed by the operator |
|
Definition
| switch-type thermal circuit breaker |
|
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Term
| what is included on switch type circuit breakers to indicate an open condition |
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Definition
|
|
Term
| an electrical device used to mechanically switch electrical circuits is a |
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Definition
|
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Term
| relays are made to operate on a |
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Definition
|
|
Term
| what type of relay has 2 de-energized states |
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Definition
|
|
Term
| reed relays are filled with inert gas to |
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Definition
|
|
Term
| what restores a reed relay to its de-energized state |
|
Definition
| spring force of the reeds themselves |
|
|
Term
| what is the moveable part of the solenoid called |
|
Definition
|
|
Term
| what restores a solenoid to its energized state |
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Definition
|
|
Term
| what 3 components are found in all circuits |
|
Definition
| power source, load, and conductor |
|
|
Term
| in instances where the schematic symbol represents a multi cell battery it can mean either multiple cells in a single case or |
|
Definition
| an array of single cell batteries arranged to function like a multi cell battery |
|
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Term
| in schematic diagrams, push button switches are shown in their normal |
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Definition
|
|
Term
| light emitting diodes are primarily used in weapons system applications as |
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Definition
|
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Term
| you must visually inspect equipment before testing and following repair actions to |
|
Definition
| check for obvious defects |
|
|
Term
| which techinal order contains inspection and repair information that applies across all aircraft wiring systems |
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Definition
|
|
Term
| when cleaning electrical equipment, use |
|
Definition
| only approved cleaning solvents |
|
|
Term
| when do you use compressed air for cleaning electrical equipment |
|
Definition
|
|
Term
|
Definition
| constant friction(rubbing) between wiring harnesses and the structure to which they are attached |
|
|
Term
| wich is the most obvious indication of chaffin |
|
Definition
| exterior damage to cables |
|
|
Term
| to prevent chafing, the slack in a wiring harness between two support points normalls should not exceed |
|
Definition
|
|
Term
| which of the following conditions is a cause of chafing |
|
Definition
|
|
Term
| what is the only real cure for wire chafing probleems |
|
Definition
| following proper maintenance procedures |
|
|
Term
| a coaxial cable is protected on the outside by a |
|
Definition
|
|
Term
| which standard defines implementation requirements for the aircraft, store electrical (and fiber optic) interconnection system (AEIS) in aircraft and stores |
|
Definition
|
|
Term
| what is the primary reason you must take care to never step on coaxial cable, set anything heavy on it, or bend it sharply |
|
Definition
| flattens the cable and will change its electrical characteristics |
|
|
Term
| when installing a connector on coaxial cable, you must use care in starting the braid clamp nut in order to prevent |
|
Definition
|
|
Term
| who should accomplish electrical repairs |
|
Definition
|
|
Term
| as a rule, electrical items should |
|
Definition
| have maintenance performed with power off |
|
|
Term
| maintenance on energized circuits requires a safety observer if the voltage applied to an item exceeds |
|
Definition
|
|
Term
| when performing measurements on energized circuits, meters should |
|
Definition
|
|
Term
| what device is used to cover or protect the ecposed wire access area between the rear of a connectore and the end of the bundle braid on cable assemblies or wire bundles |
|
Definition
|
|
Term
| what must be done to a salvaged protective boot before re-installation |
|
Definition
| cleaned with a solvent and then coasted with an adhesive when thoroughly dry |
|
|
Term
| what do you use to make a spot tie on protective boots during installation |
|
Definition
|
|
Term
| when shrinking a protective boot for wiring, work slowly from the |
|
Definition
| connectore to the braid end |
|
|
Term
| when using self-bonding silicone tape or repair damaged bundle braid, how much overlap must you maintain during the wrapping procedure |
|
Definition
|
|
Term
| what do you use to make a spot tie on silicone tape when repairing a wire braid |
|
Definition
|
|
Term
| how many separate color coded positioners does the criimping tool turret-type positioning head have |
|
Definition
|
|
Term
| what is the primary reason that you must never use pin insertion tools whith burrs or sharp edges |
|
Definition
| they can cut through the grommer wire sealing webs and destroy the environmental sealing capabilities of a connector |
|
|
Term
| extraction tools for solderless connectors are |
|
Definition
| of different sizes for each contact |
|
|
Term
| what are the two operational modes of the Fluke 8025A multimeter |
|
Definition
|
|
Term
| to return the 8025A meter to the manual mode, you must depress the RANGE push button for |
|
Definition
|
|
Term
| what are the three general types of electrical troubles that may develop in electrical circuits |
|
Definition
| open, short, and grounded circuits |
|
|
Term
| what type of electrial problem will most likely result is a wire breaks from a switch |
|
Definition
|
|
Term
| accidental contact between two normally insulated conductors most likely will result in |
|
Definition
|
|
Term
| a short across a series component usually produces |
|
Definition
| larger than normal current flow in the circuit |
|
|
Term
| why are cannon plugs especially susceptible to short circuits |
|
Definition
| because there are so many individual wires positioned so close together |
|
|
Term
| accidental contact between a positive lead and the aircraft or component structure or frame is called |
|
Definition
|
|
Term
| what is the expected result if the solering iron is not hot enough when contact is made to transfer sufficient heat to the component being soldered |
|
Definition
| the solder will SET before it fuses with the material being joined causing weaker than expected joint |
|
|
Term
|
Definition
| joint where the flux(and not the solder) binds the joint leaving it not electrically solid |
|
|
Term
| a good fuse or circuit breaker in a malfunctioning circuit normally indictions |
|
Definition
|
|
Term
| if for some reason the fuse in a circuit blows or burns out, it is an indications that uou have |
|
Definition
| a short to ground in the circuit |
|
|
Term
| when testing a diode, how many measurements must you take |
|
Definition
|
|
Term
| when taking resistance measurements on a diode, the larger reading indicated |
|
Definition
|
|
Term
|
Definition
| systematic approach to finding a fault |
|
|
Term
|
Definition
| step by step operational procedures |
|
|
Term
| where do you find troubleshooting trees |
|
Definition
| fault isolation technical data |
|
|
Term
| what are trouble shooting trees |
|
Definition
| step by step trouble shooting procedures |
|
|
Term
| what is the sensitivity range of level 1 electrostatic discharge components |
|
Definition
|
|
Term
| what is the most important precaution the technician can take before handling electrostatic discharge components |
|
Definition
| ensureing that they themselves and their equipment are grounded properly before handling equipment |
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|
