Practice question

Why are quick lane changes especially hazardous in combinations?

Rearward amplification can overturn the trailer
The kingpin becomes magnetic
The landing gear drops automatically
The trailer brakes release permanently

Answer: A — Rearward amplification can overturn the trailer

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

Practice more: OR CDL Combination Practice Questions - Oregon CDL Combination Vehicles Test Exam →