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Iowa CDL Practice Test: Tank - Test 2020

(From the 2020 Iowa CDL Handbook)
Number of tests: 1
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 Iowa 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 Iowa DMV locations.

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

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