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Tennessee CDL Practice Test: Tank - Test 3 2019

(From the 2019 Tennessee 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 Tennessee 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 Tennessee DMV locations.

You have made 2 errors so far.
1. To prevent roll overs, drivers of combination vehicles should avoid ________.
  • Leave a note on the vehicle.

  • Both of the above.

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

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

  • Advance warning of a winding road.

  • Road curves right, then turns left.

  • Advance warning of a low speed sharp left curve.

3. 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

4. What can cause a decrease in air pressure?
  • Maintain the 4-second following distance rule

  • Not be concerned about following distance

  • Increase following distance to 5 or 6 seconds

  • Decrease following distance to 2 seconds

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. Some liquid tanks are divided into several smaller tanks by ________.
  • You are approaching a hill.

  • Road curves ahead.

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

  • Slippery when wet.