FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Prepare for the FAA AMT Airframe Exam with our comprehensive quiz. This resource offers multiple-choice questions designed to enhance your knowledge and understanding of aviation maintenance concepts.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

In the AWG system, the number assigned to a wire size is related to its _______.

Length
Color
Cross sectional area
Insulation type

The correct answer is: Cross sectional area

In the AWG (American Wire Gauge) system, the number assigned to a wire size is related to its cross-sectional area. The AWG system uses a logarithmic scale to designate wire sizes, where the higher the AWG number, the smaller the wire's diameter and cross-sectional area. This means that a lower AWG number indicates a larger wire size with a greater cross-sectional area, while a higher AWG number indicates a smaller wire size with a smaller cross-sectional area. This relationship is important in ensuring the proper amount of current can flow through a wire without overheating and causing damage. The other options are not directly related to how the AWG system categorizes wire sizes. Length does not determine the AWG number of a wire, color is used for identification purposes but not for sizing, and insulation type is also not a factor in determining the AWG number assigned to a wire size.