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Arizona CDL Practice Test: Class A - Test 2019

(From the 2019 Arizona 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 Arizona 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 Arizona DMV locations.

You have made 2 errors so far.
1. Why should you use some caution when honking your horn?
  • Slow down and prepare to stop only if cars are approaching you.

  • Proceed carefully through the intersection, not always stopping.

  • Stop only for traffic on an intersecting road.

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

2. Which of the following is a reason brakes fade?
  • Slow down and be prepared to stop if necessary.

  • Look both ways as you cross the intersection.

  • Always come to a full stop at the intersection.

  • Slow down if an emergency vehicle is approaching.

3. What is the purpose of a front-end header board?
  • Require less time to pass on a downgrade than cars

  • Take longer distances than cars to stop

  • Require less turning radius than cars

  • Require less time to pass on an incline than cars

4. You will lose your CDL for at least one year if you are caught committing which first offense?
  • Turning left.

  • Already in a traffic circle.

  • Going straight ahead.

  • Already in an intersection.

5. Why should you inspect your vehicle?
  • Get some coffee

  • Stop driving

  • Turn on the radio

  • Open your window

6. 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.
  • Suspension bridges

  • Drawbridges

  • Truss bridges

  • Rigid bridges