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ASVAB · General

What type of brakes use fluid pressure to squeeze pads against a rotor?

Correct answer

Disc brakes

  1. A Drum brakes
  2. B Disc brakes
  3. C Air brakes
  4. D Regenerative brakes

Why this is the answer

Disc brakes use hydraulic fluid pressure to push brake calipers/pads against a rotating disc (rotor), creating friction to slow the vehicle.
Source: ASVAB AI, Braking Systems

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