Practice question

Why is it unsafe to raise landing gear before verifying the lock?

  1. Raising landing gear before lock verification can let a trailer drop, shift, or separate.
  2. improves alignment
  3. charges tanks
  4. closes glad hands

Answer: A — Raising landing gear before lock verification can let a trailer drop, shift, or separate.

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Ohio CDL Doubles and Triples Endorsement Test Practice Questions - Ohio CDL Doubles and Triples Endorsement Test Exam →