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