Practice question

When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:

  1. The air hoses are making a hissing noise.
  2. The air hoses and electrical lines are not cut.
  3. The air lines are not pinched.
  4. The air lines are not dragging against tractor parts.

Answer: A — The air hoses are making a hissing noise.

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Practice more: Texas CDL Class A Knowledge Test 2 →