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Tennessee CDL Practice Test: Class B - Test 3 2019

(From the 2019 Tennessee CDL Handbook)
Number of tests: 3
Number of questions: 30
Passing score: 80

Directions: When applying for this license, applicants must pass a 50-question test. And applicants must score 80% to pass the test. The following questions are based on the details provided in the Tennessee Commercial Driver Handbook. Endorsements that may be used with a Class B CDL include Hazardous Materials, Passenger, Double and Triples, HazMat and Tanker, Air Brakes and School bus. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Tennessee DMV locations.

You have made 2 errors so far.
1. Tires should be replaced ________.
  • Wearing dark-colored glasses.

  • Wearing light-colored clothing.

  • Helped by another person.

  • Led by a guide dog, or using a white or metallic cane.

2. If you have committed three serious traffic violations within a three-year period involving a CMV, you will likely lose your CDL at least _______ days.
  • The left lane

  • The right lane

  • The middle of the intersection

  • Any lane

3. Why can drivers be at a greater risk of an accident when they drive at night?
  • The speed limit is always a safe speed

  • Accelerating is always dangerous

  • The safe speed to drive depends on many conditions

  • Driving slowly is always safer

4. Vehicles with air brakes _________.
  • Increase your following distance

  • Avoid crossing bridges or intersections

  • Drive as you would on dry roads

  • Use alternate routes

5. If you are transporting any amount of hazardous materials, you must _____.
  • Once you have moved into the exit lane

  • When you first see the exit sign

  • Once you see the toll booth

  • On the main road, just before the exit lane

6. If you have committed two violations of an "out-of-service order" in a ten-year period, you will likely lose your CDL for what amount of time?
  • Sound your horn

  • Flash your headlights

  • Use your emergency lights

  • Wave your arms