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Arizona CDL Practice Test: Tank - Test 2019

(From the 2019 Arizona CDL Handbook)
Number of tests: 29
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 Arizona 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 Arizona DMV locations.

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

1. What is the best way to recognize that the trailer has started to skid?

2. Because of a liquid tanker's high center of gravity and liquid surge, you should approach curves by ______.

3. How should you check a tank for any spills?

4. The effects of liquid surge can be particularly dangerous for tankers driving on what type of surface?

5. A trailer air supply that is in good working condition will pop out when the air pressure falls into what range?

6. If you have a cellphone, it's best to call for assistance _______.

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