Active Practice Session

Air Brakes #4

Question 12

How can you check that your service brakes are functioning properly?

A Drive at a high speed, then slam on the brakes to see if the vehicle stops quickly. B Park on a slight slope, drain off air pressure, set the parking brake and check movement. C Park on level ground, wait until normal air pressure is reached, release the parking brake and move forward slowly at about 5 mph. Then apply the brakes firmly.

Select an answer to continue.