Michigan CDL Air Brakes Practice Questions - Michigan CDL Air Brakes Knowledge Test Exam

For an Michigan CDL air-brake vehicle, 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 Michigan CDL Air Brakes Practice Questions - Michigan CDL Air Brakes Knowledge Test Exam for more practice questions and the full quiz experience.

Access More Questions