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South Carolina CDL Practice Test: Tank - Test 4 2019

(From the 2019 South Carolina CDL Handbook)
Number of tests: 32
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.

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1. While driving a tanker on wet roads, you should ______ the normal stopping distance.

2. When you are driving a tanker, in what ways can you control liquid surge?

3. A closed tractor protection valve ________.

4. What is a baffled liquid tank?

5. ________ help to control the forward and backward liquid surge.

6. Trailers made before 1975 that are equipped with air brakes ______.

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