Practice question

In an Arizona CDL Combination Vehicles scenario, what should the driver do for red and blue glad-hands?

Use line color only for trailer lights
Match red to red and blue to blue, then check seals and leaks after charging the trailer.
Use the trailer hand valve as the main solution
Skip the outside inspection

Answer: B — Match red to red and blue to blue, then check seals and leaks after charging the trailer.

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