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Wisconsin CDL Practice Test: Class B - Test 4 2019

(From the 2019 Wisconsin CDL Handbook)
Number of tests: 4
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 Wisconsin 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 Wisconsin DMV locations.

You have made 2 errors so far.
1. What emergency equipment should your vehicle have?
  • Exercising.

  • Taking a cold shower.

  • Drinking coffee.

  • Allow your body time to get rid of alcohol.

2. During the "on-road test portion" of your on-road test, you will need to ________.
  • Stopping

  • Turning right

  • Turning left

  • Slowing

3. What is another name for front-end header board?
  • No u-turn.

  • No left turn.

  • No turn on red.

  • No right turn.

4. The air compressor is connected to the engine through ______.
  • Five minutes.

  • Five hours.

  • One hour.

  • One day.

5. You will need to pass the pre-trip vehicle inspection test ________.
  • Apply the brakes quickly and firmly.

  • Shift into neutral, do not use the brakes.

  • Shift to a lower gear, do not use the brakes.

  • Apply the brakes in slow, steady strokes.

6. 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 left lane

  • The right lane

  • The middle of the intersection