Air Break Practice Test

Results

#1. If you must adjust an automatic slack adjuster that has a hexagonal (six-sided) adjusting bolt, you should turn the adjusting bolt in which direction?

Clockwise

Counterclockwise

Whichever direction rotates the cam in the same direction as if the brakes were being released

Whichever direction rotates the cam in the same direction as if the brakes were being applied

Adjusting an automatic slack adjuster is an emergency procedure that you should perform only if your brakes have failed on the road. If the automatic slack adjuster has a hexagonal (six-sided) adjusting bolt, turn the bolt clockwise. If it has a square adjusting bolt, turn the bolt counterclockwise.