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Iowa CDL Practice Test: All - Test 2023

Number of questions: 29
Passing score: 80%
Acceptable number of errors: 5

Instruction: To obtain this endorsement required to drive a commercial vehicle, applicants must pass a 30-question test. And to pass the test, applicants must score at least 80%. Test questions are from the IA CDL Handbook. If you need additional information, please contact your local DMV office. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Iowa DMV locations.

1. You will lose your CDL for three years ______.
A
If you are caught committing an alcohol related offense for the second time.
B
If you are caught committing a serious traffic violation involving a CMV.
C
If you are caught committing an alcohol-related offense (e.g. leaving the scene of an accident or committing a felony) while operating a CMV that is placarded for hazardous materials.
D
If you have any detectable amount of alcohol under .04%.
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