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Arizona CDL Practice Test: Tank - Test 3 2019

(From the 2019 Arizona CDL Handbook)
Number of tests: 3
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. How should you expect a tank that has baffles to ride in comparison to a tank without?
  • Required from both parents

  • Not required

  • Required for people under 16 years old

  • Required from only one parent

2. Some liquid tanks are divided into several smaller tanks by ________.
  • Road curves ahead.

  • Don't drink if you are going to drive.

  • Slippery when wet.

  • You are approaching a hill.

3. To prevent roll overs, drivers of combination vehicles should avoid ________.
  • Both of the above.

  • Leave a note on the vehicle.

  • Report the accident without delay to the city police or, in unincorporated areas, to the CHP.

4. Baffles in liquid cargo tanks do not usually prevent the liquid surge movement from _______.
  • Advance warning of a right curve.

  • Advance warning of a low speed sharp left curve.

  • Advance warning of a winding road.

  • Road curves right, then turns left.

5. How should you check a tank for any spills?
  • Warning of a right curve ahead.

  • Warning of a winding road ahead.

  • Warning of merging traffic to the right.

  • Warning of a right turn ahead.

6. What can cause a decrease in air pressure?
  • Increase following distance to 5 or 6 seconds

  • Not be concerned about following distance

  • Decrease following distance to 2 seconds

  • Maintain the 4-second following distance rule