Practice question

What should a driver remember about a trailer without spring parking brakes?

  1. Air can bleed down and release the brakes, so the trailer wheels must be blocked when parked
  2. It can be parked safely with the hand valve alone for any length of time
  3. It does not need any brake inspection
  4. It cannot be coupled to a Class 1 tractor

Answer: A — Air can bleed down and release the brakes, so the trailer wheels must be blocked when parked

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