Avionics Malta Qualifications Framework (MQF) Practice Test

Why is electrical bonding provided across hinges and structural joints on an aircraft?

To maintain a low-resistance electrical path between components To increase the mechanical stiffness of every joint To prevent all galvanic corrosion regardless of material pairing To isolate radio equipment from the airframe ground

Correct Answer:

To maintain a low-resistance electrical path between components

Explanation:

Bonding straps and conductive joints keep components at nearly the same electrical potential and provide controlled current paths for static, lightning and fault currents.

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