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Practice quizzes / Minnesota CDL Air Brakes Test Practice Questions - Minnesota Commercial Driver License (CDL) Air Brakes Knowledge Test Exam / Question 128470
Practice question

What is a slack adjuster used for on an S-cam brake?

  1. It transfers pushrod force to rotate the S-cam
  2. It stores compressed air
  3. It dries moisture from the air
  4. It sets the speed limiter

Answer: A — It transfers pushrod force to rotate the S-cam

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Minnesota CDL Air Brakes Test Practice Questions - Minnesota Commercial Driver License (CDL) Air Brakes Knowledge Test Exam →
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