Practice question

What is the proper response to an apparent total loss of service brakes on a downgrade?

Shift into neutral and coast
Downshift to maximum engine braking, sound the horn, flash lights, use any retarder, and look for a runaway truck ramp or another escape path
Pull the parking brake fully
Speed up to outrun the grade

Answer: B — Downshift to maximum engine braking, sound the horn, flash lights, use any retarder, and look for a runaway truck ramp or another escape path

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