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South Carolina CDL Practice Test: Tank - Test 2 2018

(From the 2018 South Carolina CDL Handbook)
Number of tests: 2
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. When you are driving a tanker, in what ways can you control liquid surge?
  • Vehicles on the freeway must always yield the right-of-way to vehicles that are entering the freeway.

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

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

  • You must always drive at the same speed as the rest of the traffic.

2. Which of the following hazardous material classes is the most dangerous?
  • If the shoulder is wide enough to accommodate your vehicle

  • If the vehicle ahead of you is turning left.

  • Under no circumstances

3. If you are carrying a small amount of chlorine, you should stop what distance before the nearest rail of a railroad?
  • Where you think the stop line would be.

  • Before the crosswalk.

  • With your front wheels in the crosswalk.

  • 50 feet before the intersection.

4. Typically, if a trailer is made before 1975 and equipped with air brakes, it will _________.
  • Increase your speed

  • Turn the wheel

  • Use your signal

  • Change lanes

5. When loading or unloading hazardous materials, it's important you _______.
  • Report the accident without delay to the city police or, in unincorporated areas, to the CHP.

  • Leave a note on the vehicle.

  • Both of the above.

6. At what psi should you typically expect the air supply control to pop out?
  • Shift into neutral, do not use the brakes.

  • Shift to a lower gear, do not use the brakes.

  • Apply the brakes in slow, steady strokes.

  • Apply the brakes quickly and firmly.