1. How many digits are identification numbers of hazardous materials?
A
Three.
B
Four.
C
Six.
D
Eight.
E
Ten.
Oregon CDL Practice Test: Tank - Test 5 2022
Based on 2022 OR CDL Handbook
| Number of questions: 28 | |
| Passing score: 80% | |
| Acceptable number of errors: 5 |
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 Oregon Commercial Driver 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 Oregon DMV locations.