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Near touchdown on a contaminated runway, which outcome sharply degrades braking performance due to fluid impedance?

A)Hydroplaning reduces friction substantially
B)Anti-skid engages flawlessly sooner
C)Reverse thrust is rendered unusable
D)Spoilers activate too pre-emptively

💡 Explanation

Hydroplaning occurs because a fluid layer builds between the tire and runway, thus reducing friction; the increased fluid impedance prevents direct contact, therefore reducing braking effectiveness rather than enhancing it, as anti-skid systems require friction.

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