Based on 2024 WA CDL manual

Questions
30
Mistakes allowed
6
Passing score
80%
Official WA Tanker Vehicles: What to Expect
20
Total number of questions

16
Number of questions required to pass

80
Percentage required to pass

Washington Commercial Driver's License
Washington Commercial Driver's License

Seeking your tanker vehicle endorsement? Get prepared to pass that challenging test with our free Washington CDL Tanker Vehicles Practice Test.

This test covers tanker vehicles thoroughly while also getting you familiar with the format of the real test. Earning your tanker vehicle endorsement will allow you to begin transporting liquids and gases, many of which are in very high demand today. To help ensure your knowledge level is as high as it should be we have written 20 questions covering topics like tanker vehicle safety, tanker vehicle operation, tanker vehicle inspections and more.

What can side to side surge cause? When you are driving at night and you dim your headlights from high to low, you should adjust your speed so that you can stop within what distance? Questions like these are on the practice test. You will need to get at least 16 right to pass but you can take the test an unlimited number of times. We will also reorder the questions to give you a new test experience each time you retake it. In addition, we have included instant feedback with full answer explanations so that you can immediately know why an answer is right or wrong. There really is no better way to get prepared to earn your tanker vehicle endorsement. So what are you waiting for? Take our test now to assess your knowledge and identify any areas that you need to study more.