Practice question

For the Kentucky CDL Combination Vehicles test, which statement is correct about trailer air tanks?

  1. Drain trailer air tanks daily and check automatic drains.
  2. Skip the visual coupling inspection after a successful tug test.
  3. Drive at regular speed and fix the issue after the trip.
  4. Back under the trailer at an angle to save space.

Answer: A — Drain trailer air tanks daily and check automatic drains.

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