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New Mexico CDL Practice Test: Tank - Test 4 2020

(From the 2020 New Mexico 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 New Mexico 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 New Mexico DMV locations.

You have made error(s) so far.
Your Challenge Library: 0

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

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

5. A closed tractor protection valve ________.

6. What is a baffled liquid tank?

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