Air Brake Practice Test

Disable ads (and more) with a membership for a one time $4.99 payment

Study for the Air Brake Test. Prepare using flashcards and multiple-choice questions, complete with hints and explanations. Get ready to ace your exam!

Practice this question and more.

What system will you require to stop the vehicle if a failure in the service brake system happens?

Parking brake system
Hand brake system
Brum brake system
Emergency brake system

The correct answer is: Emergency brake system

In the event of a failure in the service brake system, it is crucial to have a reliable alternative to ensure the vehicle can come to a complete stop safely. The emergency brake system is specifically designed for this purpose. It operates independently from the primary service brakes, allowing the driver to control the vehicle's speed and stop it in an emergency situation. The emergency brake activates a different mechanism, which often includes a cable system or a separate hydraulic system, thereby ensuring that it can function even if the service brakes fail. This is critical for maintaining safety, as it provides redundancy in the braking system, thereby preventing potential accidents. While the parking brake system and hand brake system can sometimes serve similar functions in terms of holding a vehicle stationary or providing a backup, they are not specifically designated for emergency stopping in the same manner that the emergency brake system is. The brum brake system is not recognized as a standard component in brake systems, further indicating that the emergency brake is the correct and established choice for this scenario.