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Iowa CDL Practice Test: Tank - Test 3 2023

Instruction: 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 IA CDL 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 DOT locations.

2. Baffles in liquid cargo tanks do not usually prevent the liquid surge movement from _______.
A
Side to side.
B
Rotating.
C
Up and down.
D
Spinning.
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