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Before driving a truck or bus with a dual air brake system, the pressure in each system should be at least what PSI?

A. 100 PSI
B. 75 PSI
C. 50 PSI
D. 25 PSI

Answer :

Final answer:

Before operating a truck or bus with a dual air brake system, the pressure in each system should be at least 100 PSI to ensure the vehicle can be safely braked.the correct answer is a) 100 PSI

Explanation:

The question you asked is related to the safety regulations for operating vehicles with dual air brake systems, specifically trucks and buses. In order to safely operate a truck or bus with a dual air brake system, the pressure in each system should be at least 100 PSI before driving. This requirement ensures that there is enough pressure to effectively use the brakes in case of an emergency or during normal operations.

Operating the vehicle with insufficient air pressure in the brake system can lead to brake failure or significantly reduced braking effectiveness, which can increase the risk of accidents.Before driving a truck or bus with a dual air brake system, the pressure in each system should be at least 100 PSI to ensure proper functioning of the brakes. This pressure is crucial for the brakes to engage effectively in case of an emergency and maintain safety on the road.

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