Practice question

What is the main function of the brake master cylinder in a vehicle?

  1. To cool down the brake pads during hard stops
  2. To convert the physical force of your foot on the brake pedal into hydraulic fluid pressure that operates the brakes
  3. To lock the wheels to prevent skidding
  4. To monitor the speed of each wheel

Answer: B — To convert the physical force of your foot on the brake pedal into hydraulic fluid pressure that operates the brakes

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