Câu 76: CDL: Commercial Drivers Licence

When testing the air leakage rate (by turning off the engine and releasing the parking brake), what is an acceptable air loss rate?

1. A. Less than 2 psi in one minute for single vehicles and less than 3 psi in one minute for combination vehicles. — đáp án hiện tại
2. B. Less than 3 psi in one minute for both single and combination vehicles
3. C. Less than 3 psi in one minute for single vehicles and less than 2 psi in one minute for combination vehicles.
4. D. Less than 2 psi in one minute for both single and combination vehicles