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Iowa CDL Practice Test: Tank and Hazmat - Test 2021

Based on 2021 IA CDL Handbook

	Number of questions: 30
	Passing score: 80%
	Acceptable number of errors: 6

Instruction: If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Iowa DMV locations.

1. A tank trailer with baffles helps to control ________.

A

Looking in the sideview mirror only

B

Looking in the inside rearview mirror only

C

Looking in both rearview and sideview mirrors

D

Looking in your mirrors and turning your head to look over your shoulder

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