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Wisconsin CDL Practice Test: Class C - 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 C 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 offense is a serious traffic violation?
  • Flash your headlights to alert the driver

  • Sound your horn to get the drivers attention

  • Turn on your four-way flashers to warn the driver

  • Give the proper turn signal to show you are changing lanes

2. The advance warning signs tell you to _______.
  • Slow down until the vehicle passes you

  • Drive toward the nearest road side and stop

  • Drive with your flashers on

  • Speed up and take the nearest exit

3. Cargo should have at least one tiedown for each ____ ft. of cargo.
  • Stop before entering the intersection and let all other traffic go first.

  • Stop, then proceed when safe.

  • Slow down or stop, only if necessary.

4. Who repairs the items in the vehicle inspection report that affect safety?
  • either lane, depending on oncoming traffic

  • None of the above

  • the lane nearest the curb or edge of the roadway

  • the lane closest to the center of the road

5. It is illegal to operate a CMV if your blood alcohol concentration is above _____.
  • Apply your brakes until the truck has completed the turn

  • Try to squeeze between the truck and curb to make a right turn

  • Violate the 4-second following distance rule

  • Honk your horn at the truck driver

6. You should not smoke within _______ feet of a placarded cargo tank used for Class 3 (Flammable Liquids) or Division 2.1 (Gases).
  • If you use your four-way flasher first.

  • When the traffic light at the closest intersection turns red.

  • During the daytime when other drivers can see you.

  • When you will not interfere with oncoming vehicles.