ASVAB · Brakes and Suspension

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

Correct answer

Disc brakes

  1. A Air brakes
  2. B Disc brakes
  3. C Drum 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

Practice more questions

This question is from our ASVAB Practice Tests practice test. Take the full practice test to test your knowledge across all Brakes and Suspension and other topics.

Take the Auto Information practice test →

About this topic: Brakes and Suspension

Brakes and suspension questions cover disc versus drum brakes, the hydraulic principle behind the pedal, ABS, and the shocks, struts and springs that keep the tyres on the road. Expect questions on symptoms such as pulling, pulsing or bouncing. This is one of 10 Auto Information questions on brakes and suspension, each with a full explanation on a single study page.

New to this exam? Our ASVAB exam guide explains the format, scoring, and how to prepare.

Related questions