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Test yourself: 5 hard theory questions, free

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hardrunway-contamination

The minimum aquaplaning speed for a tyre on a wet runway is approximately:

A

6.34 × √(tyre pressure in psi)

B

7.7 × √(tyre pressure in psi)

C

12 × √(tyre pressure in psi)

D

9 × √(tyre pressure in psi)

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See where you stand: 5 hard questions, instant score, every answer explained.