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Arizona CDL Practice Test: Tank - Test 4 2019

(From the 2019 Arizona CDL Handbook)
Number of tests: 4
Number of questions: 30
Passing score: 80

Directions: To obtain this endorsement for hauling any liquid or gaseous materials in a tank or tanks, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Arizona Commercial Driver Handbook. The Tanker Vehicles endorsement can be used with the Class A, B, or C CDL. 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. A closed tractor protection valve ________.
  • Truss bridges

  • Drawbridges

  • Suspension bridges

  • Rigid bridges

2. ________ help to control the forward and backward liquid surge.
  • No stopping or standing.

  • Disabled parking spot.

  • No parking anytime.

  • No parking here to the corner.

3. While driving a tanker on wet roads, you should ______ the normal stopping distance.
  • Speed up to beat the red light.

  • Apply the brakes sharply to stop.

  • Be prepared to stop in the center of the intersection.

  • Be prepared to stop before the intersection.

4. When you are driving a tanker, in what ways can you control liquid surge?
  • You must always drive at the same speed as the rest of the traffic.

  • You must yield the right-of-way to vehicles already on the freeway.

  • Increase your speed even if the way is not clear.

  • Vehicles on the freeway must always yield the right-of-way to vehicles that are entering the freeway.

5. What is a baffled liquid tank?
  • In an unmarked crosswalk

  • Within three feet of a private driveway.

  • In a bicycle lane.

6. Trailers made before 1975 that are equipped with air brakes ______.
  • Pull onto the shoulder, then back up to the exit.

  • Make a u-turn at the next service area.

  • Drive to the next exit and leave the expressway.

  • Make a u-turn at the nearest emergency turn area.