FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

Question: 1 / 1030

In an electronic type fuel quantity indicating system, the tank sensing unit is a

capacitor

In an electronic type fuel quantity indicating system, the tank sensing unit acts as a capacitor. Capacitors are commonly used in these systems because they can store electrical charge, which varies based on the fuel level in the tank. As the fuel level changes, the capacitance of the sensing unit also changes, allowing for accurate measurement and indication of the fuel quantity. Resistors, transistors, and inductors do not have the same property to store charge and vary their electrical characteristics based on fuel levels, making them unsuitable for this specific application.

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resistor

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