California CDL Air Brakes Test

Why are S-cam, disc, and wedge brakes generally similar in basic function?

They all use hydraulic fluid All three convert air pressure into mechanical force that applies friction material against a drum or rotor — they differ mainly in the mechanism They all use hydraulic master cylinders They all are mechanical only

Correct Answer:

All three convert air pressure into mechanical force that applies friction material against a drum or rotor — they differ mainly in the mechanism

Access more questions from this quiz

Continue to California CDL Air Brakes Test for more practice questions and the full quiz experience.

Access More Questions