Air Break Practice Test

Results

#1. An air line shows signs of wear from rubbing, but there are no leaks because the inner tube is still in good shape. What should you do?

Drive slowly and monitor the condition of the air line.

Have the air line replaced after your day's work is complete.

Note this in the logbook and continue.

Have the air line replaced before you drive the vehicle.

Air line chafing is a common roadside violation. If you’re pulled over for a roadside inspection, you can be cited for brake line chafing. If the chafing continues, the inner tube may be damaged eventually as well.