Skip to main content
DMV Test Free
ENES

Practice test 7 of 10

Rhode Island CDL — Air Brakes Practice Test 7

The Rhode Island CDL — Air Brakes knowledge test has ~25 questions; you need ~20 correct (80%) to pass.

This practice test follows that format: 25 questions, pass with 20 correct. Answer every page, then grade it to see the answers and explanations.

Questions 1–10 of 25

  1. 1.According to Rhode Island's guidelines, which manual are its CDL knowledge tests, including Air Brakes, based on?
  2. 2.What is the safety relief valve on the first air tank there to prevent, and at about what pressure is it usually set to open?
  3. 3.In the leakage test done with the foot brake fully applied, how long do you hold the pedal down while watching the gauge?
  4. 4.Each time you let up on the brake pedal of an air-braked truck, what happens to the air supply?
  5. 5.Some air-braked vehicles have an application pressure gauge. What does it show you?
  6. 6.Before the applied-brake leakage test, you build air up to governor cutoff. What range does the manual give for that cutoff pressure?
  7. 7.You need to troubleshoot a brake adjustment problem on automatic slack adjusters. What should you consult first, and why?
  8. 8.A car suddenly pulls out in front of your truck, and your instinct is to hit the brakes. When does the manual call that a good response?
  9. 9.During a hard stop on a slick road, the ABS computer senses that a wheel is about to lock. What does it do?
  10. 10.Only your trailer has ABS. While braking, the tractor starts to jackknife and you are losing steering control. What should you do?

0 of 25 answered