What is the purpose of an anti-lock braking system?

Prepare for the MPI Class 1 Truck Driver Test. Learn with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

The purpose of an anti-lock braking system (ABS) is to prevent the wheels from locking up during braking. This is crucial for maintaining steering control and stability, particularly in slippery conditions. When a driver applies the brakes, especially in emergency situations, it is possible for the wheels to lock up, which can lead to a loss of control and an increased likelihood of skidding. ABS helps mitigate this risk by automatically modulating brake pressure, allowing the wheels to continue rotating. This enables the driver to maintain better control over the vehicle while still braking effectively, enhancing overall safety.

Increasing vehicle speed, allowing wheels to lock when braking, or improving fuel efficiency do not align with the fundamental function of an anti-lock braking system. Instead, ABS focuses on optimizing braking performance and preserving vehicle control.

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