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South Carolina CDL Practice Test: Tank - Test 3 2018

(From the 2018 South Carolina 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 South Carolina 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 South Carolina DMV locations.

You have made 2 errors so far.
1. Some liquid tanks are divided into several smaller tanks by ________.
  • Road curves ahead.

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

  • You are approaching a hill.

  • Slippery when wet.

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

  • Road curves right, then turns left.

  • Advance warning of a low speed sharp left curve.

  • Advance warning of a right curve.

3. How should you expect a tank that has baffles to ride in comparison to a tank without?
  • Required for people under 16 years old

  • Required from both parents

  • Required from only one parent

  • Not required

4. 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.

5. How should you check a tank for any spills?
  • Warning of merging traffic to the right.

  • Warning of a winding road ahead.

  • Warning of a right curve ahead.

  • Warning of a right turn ahead.

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

  • Decrease following distance to 2 seconds

  • Maintain the 4-second following distance rule

  • Not be concerned about following distance