Air Brake Practice Test

Question: 1 / 400

True or False: If you're just a short time away from your vehicle, you do not have to use the parking brake.

True.

False.

Using the parking brake is an essential safety practice, regardless of how short a time you may be away from your vehicle. Engaging the parking brake helps prevent the vehicle from rolling unexpectedly, which can lead to accidents or damage to the vehicle itself.

Even if the vehicle is parked on flat ground or the engine is off, relying solely on either of those conditions can be risky. Vehicles can still roll if they are on a slight incline or if there is a mechanical failure in the transmission. By using the parking brake, drivers are exercising a precautionary measure that enhances safety for themselves and others nearby.

This principle is a fundamental aspect of safe driving practices, highlighting the importance of always securing the vehicle when parked, regardless of the circumstances.

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Only if it's on flat ground.

Only if the engine is off.

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