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Maryland CDL Practice Test: Class B - Test 3 2019

(From the 2019 Maryland 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 Maryland 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 Maryland DMV locations.

You have made 2 errors so far.
1. Vehicles with air brakes _________.
  • Avoid crossing bridges or intersections

  • Increase your following distance

  • Use alternate routes

  • Drive as you would on dry roads

2. Why can drivers be at a greater risk of an accident when they drive at night?
  • Driving slowly is always safer

  • The safe speed to drive depends on many conditions

  • Accelerating is always dangerous

  • The speed limit is always a safe speed

3. 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.
  • Any lane

  • The right lane

  • The left lane

  • The middle of the intersection

4. 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?
  • Use your emergency lights

  • Wave your arms

  • Sound your horn

  • Flash your headlights

5. Tires should be replaced ________.
  • Wearing light-colored clothing.

  • Helped by another person.

  • Wearing dark-colored glasses.

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

6. If you are transporting any amount of hazardous materials, you must _____.
  • On the main road, just before the exit lane

  • Once you see the toll booth

  • Once you have moved into the exit lane

  • When you first see the exit sign