Iowa CDL Practice Test: Tank - Test 2023
Based on 2023 IA CDL Handbook
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.
1. Because of a liquid tanker's high center of gravity and liquid surge, you should approach curves by ______.
Speeding up before the curve, then accelerate even more through the curve.
Slowing down before the curves, then accelerating slightly through the curve.
Slow down before the curve, then decelerating even more through the curve.
Speed up before the curve, then decelerate slightly through the curve.
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