Iowa HazMat Practice Test 2
35 questions covering hazmat content, drawn from the FMCSA-aligned CDL question pool and the Iowa Commercial Driver's License Manual.
What this test covers
The HazMat knowledge test typically consists of 30 multiple-choice questions drawn from the Hazardous Materials section of the CDL manual. You need a score of 80% or higher to pass. Questions cover nine hazard classes, placarding requirements, shipping papers, loading and unloading procedures, emergency response, and the Hazardous Materials Table. You should know when placards are required, how to use the Emergency Response Guidebook, and the specific rules for transporting different classes of hazardous materials.
Sample HazMat questions
Preview of what is on Practice Test 2. Unlock with Pro to take the full 35-question test.
How many hazardous materials classes are there?
Which hazardous materials class includes dynamite and TNT?
Which hazardous materials class covers corrosive materials such as battery acid?