Colorado CDL Practice Test: HazMat - Test 5 2023
Based on 2023 CO 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 CO 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 Colorado DMV locations.
2. What is the purpose of an antilock braking system (ABS)?
A system that controls how much alcohol is put into the air system.
A gauge that demonstrates how much air pressure you are applying to the brakes.
A computerized system that keeps your wheels from locking up during hard brake applications.
None of the listed answers.