Practice question

What is the proper technique for descending steep downhill grades in a heavy commercial vehicle?

  1. Shift into Neutral and ride the service brakes continuously down the hill
  2. Select a low gear before starting down the grade, engage engine retarders/exhaust brakes, and use intermittent snub braking when necessary
  3. Turn off the engine to let the truck coast quietly
  4. Pump the foot brake pedal rapidly 100 times per minute

Answer: B — Select a low gear before starting down the grade, engage engine retarders/exhaust brakes, and use intermittent snub braking when necessary

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