FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Prepare for the FAA AMT Airframe Exam with our comprehensive quiz. Featuring flashcards and multiple choice questions, each with hints and explanations to enhance your learning experience. Get ready to pass your exam with confidence!

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What is the purpose of selecting derated switches for known continuous load current applications?

To reduce power consumption
To obtain reasonable switch efficiency and service life
To increase electrical resistance
To improve aesthetic appearance

The correct answer is: To obtain reasonable switch efficiency and service life

Selecting derated switches for known continuous load current applications is done in order to obtain reasonable switch efficiency and service life. This means that the switch will operate more efficiently and have a longer lifespan when being used for continuous load currents within its derated range. The other options are incorrect because selecting derated switches has nothing to do with power consumption or increasing electrical resistance. And while improving aesthetic appearance may be a side effect of using derated switches, it is not the primary purpose.