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North Carolina CDL Practice Test: Tank - Test 4 2020

(From the 2020 North 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 North 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 North Carolina DMV locations.

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Your Challenge Library: 0

1. What is a baffled liquid tank?

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

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

4. A closed tractor protection valve ________.

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

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

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