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Air Brakes Test 6
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Tennessee • CDL • Test 6

Tennessee CDL Air Brakes Practice Test 6

Tennessee CDL Air Brakes. This Tennessee CDL Air Brakes Practice Test 6 continues your preparation for the air brakes knowledge exam with stronger scenario-based review. It consists of 25 questions, with 5 questions per page, and you must answer at least 20 correctly to pass with a score of 80%. This test focuses on air pressure judgment, low-air warnings, brake fade, emergency braking, ABS, spring brakes, air leaks, governor cut-in and cut-out behavior, downgrades, cracked drums, brake contamination, system moisture, automatic drains, service brake pull, stopping distance, and out-of-service safety decisions. Take this Tennessee CDL practice test now to prepare for the actual air brakes knowledge exam. Depending on your license class and endorsements, Tennessee may also require tests for General Knowledge, Combination Vehicles, Passenger, School Bus, Tank Vehicles, Hazardous Materials, and Doubles/Triples.

Questions on this page
5
Exam questions
25
Correct to pass
20
Passing score
80%
Page
1 / 5

Page 1 — 5 practice questions

CDL Air Brakes

Instructions

  • Select the best answer for each question.
  • Read every option carefully before choosing.
  • Complete all 5 questions on this page before moving on. Your answers stay saved when you refresh or move between pages.

Quick snapshot

  • Topic: CDL Air Brakes Practice Test 6
  • Focus: air pressure scenarios, brake fade, ABS, spring brakes, leaks, and safe decisions
  • Passing target: 20 of 25 • Page 1 of 5
1
Air pressure judgment

While driving, both air pressure gauges are dropping faster than normal after each brake application. What should you do?

Question 1
2
Low air warning response

The low air warning activates while you are still moving in traffic. What is the safest general action?

Question 2
3
Brake fade scenario

On a downgrade, you notice you must press the brake pedal harder to get the same slowing effect. What is likely happening?

Question 3
4
Emergency braking with ABS

If your air brake vehicle has ABS and you must brake hard, what should you generally do?

Question 4
5
Spring brakes and control

Why should you avoid letting spring brakes apply unexpectedly while the vehicle is moving?

Question 5
You must answer every question on this page before continuing.
Page 1 of 5