Static electricity can significantly affect which systems on aircraft?

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Multiple Choice

Static electricity can significantly affect which systems on aircraft?

Explanation:
Static electricity builds up on aircraft surfaces as air flows over the airframe and during charging conditions, and it is normally discharged through bonding and static wicks to prevent buildup. This discharge can cause electromagnetic interference and voltage spikes that disturb or damage avionics and communication equipment, making communications and electronic systems the most susceptible to static effects. The other options are governed by thermal, lubricant, or structural physics rather than electrical discharge, so static electricity doesn’t significantly affect fuel temperature, engine oil viscosity, or airframe structural loads.

Static electricity builds up on aircraft surfaces as air flows over the airframe and during charging conditions, and it is normally discharged through bonding and static wicks to prevent buildup. This discharge can cause electromagnetic interference and voltage spikes that disturb or damage avionics and communication equipment, making communications and electronic systems the most susceptible to static effects. The other options are governed by thermal, lubricant, or structural physics rather than electrical discharge, so static electricity doesn’t significantly affect fuel temperature, engine oil viscosity, or airframe structural loads.

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