Practice question

For Alabama CDL air-brake testing, what is controlled braking in an emergency stop with air brakes?

Pressing the pedal as hard as possible and holding it
Applying the brakes as hard as you can without locking the wheels, then releasing slightly if wheels lock
Using only the parking brake
Pumping the pedal rapidly

Answer: B — Applying the brakes as hard as you can without locking the wheels, then releasing slightly if wheels lock

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