Active Practice Session

Air Brakes #1

Question 21

The maximum permissible rate of air pressure loss in the braking system of a vehicle when the brakes are applied and the engine is off is ________.

A 5 psi for single and 6 psi for combination B 2 psi for single and 3 psi for combination. C 4 psi for single and 5 psi for combination.

Select an answer to continue.