Practice question

In the California CDL Air Brakes test, what is a runaway truck ramp used for?

Refueling
An emergency escape ramp filled with loose gravel or sand to safely stop a CMV that has lost braking on a downgrade
Mandatory rest stops
Weighing trucks

Answer: B — An emergency escape ramp filled with loose gravel or sand to safely stop a CMV that has lost braking on a downgrade

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