Maryland CDL Practice Test: Tank - Test 5 2023
Based on 2023 MD CDL Handbook
Instruction: To obtain this endorsement for hauling any liquid or gaseous materials in a tank or tanks, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the MD CDL Handbook. The Tanker Vehicles 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.
1. How many digits are identification numbers of hazardous materials?