Question

What do anti-lock brakes do?

Answers

Help a driver avoid wheel lockup

Lock up the front wheels

Prevent a vehicle from accelerating while traveling uphill

Prevent a vehicle from accelerating while traveling downhill

Explanation

The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.

This questions appears in the following tests:

Colorado Double

Delaware Air Brakes

Florida Class B Knowledge Test

Florida Air Brakes

Georgia Air Brakes

Kansas Class B Knowledge Test

Kansas Air Brakes

Kansas Air Brakes

Massachusetts Air Brakes

New York Class B Knowledge Test

New York Air Brakes

Pennsylvania Class B Knowledge Test

Pennsylvania Air Brakes

Tennessee Class A Knowledge Test

Texas Air Brakes

West Virginia Class B Knowledge Test

Wisconsin Air Brakes

Wyoming Air Brakes