Practice question

For an NJ commercial vehicle equipped with air brakes, what is controlled braking in an emergency stop with air brakes?

  1. Pressing the pedal as hard as possible and holding it
  2. Applying the brakes as hard as you can without locking the wheels, then releasing slightly if wheels lock
  3. Using only the parking brake
  4. Pumping the pedal rapidly

Answer: B — Applying the brakes as hard as you can without locking the wheels, then releasing slightly if wheels lock

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