🛞Alabama Air Brakes — Question 4 of 10

Which procedure is used in controlled braking?

Answer: A

Keeping the vehicle straight and applying the brakes firmly without locking up.

Controlled braking involves keeping the vehicle straight and applying the brakes firmly but not locking them up.

Source: Alabama CDL Manual

All choices

  • AKeeping the vehicle straight and applying the brakes firmly without locking up.
  • BBraking hard enough to lock up the brakes briefly before releasing and then repeating.
  • CPress the brake pedal firmly while supplementing with the parking brakes at the same time.

Why the other answers are wrong

B. Braking hard enough to lock up the brakes briefly before releasing and then repeating.

Choice B is wrong because locking up the brakes briefly is part of stab braking, not controlled braking.

C. Press the brake pedal firmly while supplementing with the parking brakes at the same time.

Choice C is wrong because using the parking brakes simultaneously is not part of controlled braking procedure.

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Alabama CDL Air Brakes Test Info

Questions on Exam

25

Passing Score

80%

Time Limit

Typically 30 minutes; varies by testing location

Age Requirements

Intrastate: 18+ · Interstate: 21+

Alabama Law Enforcement Agency (ALEA)

Official CDL Portal

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