Rhode Island CDL Class B Knowledge Test 1

Access More Questions

The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:

Presses the brake pedal. Uses the emergency brake. Uses the trailer hand valve.

Correct Answer:

Presses the brake pedal.

Access more questions from this quiz

Continue to Rhode Island CDL Class B Knowledge Test 1 for more practice questions and the full quiz experience.

Access More Questions