Iowa CDL Practice Test: HazMat - Test 4 2023
Based on 2023 IA CDL Handbook
Instruction: To obtain this endorsement for hauling 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 IA CDL 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 DOT locations.
2. Students should evacuate the bus when ________.
The bus is on fire or there is a threat of a fire.
The bus is on route.
The driver is backing up.
They arrive at the school.