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Question
Why are special aircraft tyres made slightly conducting?
Options
To shield the aircraft from external radio-frequency interference.
To let charge produced by friction slowly leak to the ground and prevent a dangerous spark discharge.
To keep all charge concentrated on the tyre surface.
To make friction with the runway and air produce more static charge.
MCQ
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Solution
Slightly conducting tyres provide a path for friction-produced charge to leak slowly to the ground. This helps prevent a dangerous spark discharge that could ignite fuel vapours.
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