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Wisconsin CDL Practice Test: Class A - Test 2019

(From the 2019 Wisconsin CDL Handbook)
Number of tests: 1
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 A 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 is the purpose of a front-end header board?
  • Require less time to pass on an incline than cars

  • Require less time to pass on a downgrade than cars

  • Require less turning radius than cars

  • Take longer distances than cars to stop

2. You will lose your CDL for at least _____ if you have committed three or more violations of an out-of-service order in a ten-year period.
  • Truss bridges

  • Drawbridges

  • Suspension bridges

  • Rigid bridges

3. Which of the following is a reason brakes fade?
  • Always come to a full stop at the intersection.

  • Look both ways as you cross the intersection.

  • Slow down and be prepared to stop if necessary.

  • Slow down if an emergency vehicle is approaching.

4. Why should you use some caution when honking your horn?
  • Proceed carefully through the intersection, not always stopping.

  • Stop only for traffic on an intersecting road.

  • Slow down and prepare to stop only if cars are approaching you.

  • Come to a full stop, then go when it is safe to do so.

5. Why should you inspect your vehicle?
  • Open your window

  • Get some coffee

  • Turn on the radio

  • Stop driving

6. You will lose your CDL for at least one year if you are caught committing which first offense?
  • Already in a traffic circle.

  • Going straight ahead.

  • Turning left.

  • Already in an intersection.