Florida CDL General Knowledge Practice Test

Question: 1 / 400

What are the maximum allowable leakage rates for single vehicles?

Less than 3 psi in one minute

Less than 1 psi in one minute

Less than 2 psi in one minute

The correct answer is based on the established guidelines for leakage rates in single vehicles, which specify that a vehicle should not exceed a leakage rate of less than 2 psi in one minute. This standard is put in place to ensure the vehicle's air pressure system is functioning properly and maintains the necessary pressure for safe operation.

A leakage rate of 2 psi or lower indicates that the air system is well-sealed and not losing pressure, which is essential for components such as brakes to function effectively. If a vehicle exceeds this rate, it might signal underlying issues with the air system that could compromise safety and vehicle performance.

Being aware of the correct maximum allowable leakage rate is crucial for drivers and vehicle maintenance personnel, as it directly impacts the reliability and safety of the vehicle on the road.

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Less than 4 psi in one minute

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