Practice Quiz

Commercial Driver's License

Category - Difficult Driving

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The proper way to use brakes on steep downgrades includes which of the following?
  1. Apply brake until speed is reduced to five mph below "safe" speed then release brake.
  2. Apply brake until speed is reduced to 10 mph below "safe" speed then release brake.
  3. Apply brake until speed is reduced to 15 mph below "safe" speed then release brake.
  4. Apply brake until speed is reduced to 20 mph below "safe" speed then release brake.
Explanation
Answer: A - When braking on steep downgrades, it is important to not overheat the brakes. Apply the brake and hold gently until your speed is reduced to five mph below the "safe" speed. Release the brake until the vehicle hits your safe speed again and then reapply the brake to slow the vehicle by five mph. Continue this action until you reach the bottom of the hill.
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