Iowa CDL Practice Test: HazMat - Test 6 2022

Based on 2022 IA CDL Handbook
Number of questions: 29
Passing score: 80%
Acceptable number of errors: 5

Instruction: To obtain this endorsement for hauIing hazardous materials, applicants must pass a 20-question test. Before taking the test, applicants must pass a Transportation Security Administration background check. And to pass the test, applicants must score at least 80%. Test questions are from the Iowa Commercial Driver Handbook. The Hazardous Materials 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. How often should you inspect your bus?
A
During the summer only.
B
Only once a month, preferably near the end of the month.
C
Whenever you feel like it.
D
Before and at the end of each shift
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