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- Updated for January 2025
- Based on 2025 WA commercial driver's license manual
Free WA CDL Tanker Vehicles Practice Test 2025
The Pacific Northwest is well known for its mountainous terrain. In Washington, the Cascade Range has plenty of winding roads and steep grades that would pose a challenge even to the most experienced commercial drivers. Can you imagine what it’s like to drive a heavy truck through Snoqualmie Pass during winter? Although heavy snowfall is common, local authorities are taking road maintenance seriously.
The Evergreen State has some of the most skilled commercial drivers in the country, and they know how to safely navigate these dangerous conditions. You can become one of those legends yourself, but first, you must go through the necessary learning phase. The official 2025 CDL manual (Washington CDL Handbook 2025) is an essential resource that builds the foundation for your career. Anyone who wants to become a tanker truck driver in Washington must study this material in detail.
However, determined and ambitious students will also search for alternative resources that may be easier to study. We’ll help you obtain a Tank Vehicles (N) endorsement in Washington so you can start a rewarding career sooner than expected. Although there are no shortcuts or cheat codes, our Washington CDL Tanker Vehicles Endorsement practice tests can boost your learning journey. This intuitive tool has helped many other students obtain their “N” endorsement.
Each practice test consists of 20 questions based on the CDL manual. To pass, you’ll need to score at least 80%, so there is little room for error. Rushing often leads to making unnecessary mistakes, and some students end up choosing the wrong answer simply because they feel pressured by an active countdown. To eliminate this problem, we have omitted any timer from our practice test, allowing you to take as long as you need before making a choice.
As you train with our practice tests, our helpful AI coach will be present during every session. It can provide hints and real-life examples and even answer any additional questions you might have. Once you consistently obtain passing scores on our practice tests, you can consider taking the official Tank Vehicles knowledge exam. With proper training, chances are you’ll pass it on your first attempt!
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual WA DOL exam
questions
correct answers to pass
passing score
List of questions (classic view)
- Side-to-side surge can cause
- How does liquid surge affect the handling of a tanker?
- Hauling liquids in tankers requires special care for which of the following reasons?
- How would you expect a truck with a cargo tank that has baffles to handle on the road?
- A smooth bore tank is also known as
- Empty trucks
- A tank endorsement is required for certain vehicles that transport
- The best way to take a curve in a tanker is to slow to a safe speed before entering the curve and then _________ as you go through it.
- The liquid in a tank with baffles can still have what kind of surge?
- You should be very cautious when driving smooth bore tankers, especially when you are
- You should know the outage needed for the liquids you carry because
- When you load the small tanks of a cargo tank equipped with bulkheads, you should check the
- A baffled tanker is one with
- You are driving on a clear night. You must dim your headlights from high to low. You should adjust your speed so you can stop within
- When your cargo tank has baffles, what handling effect do you expect?
- The movement of the liquid in partially filled tanks is called
- When should the driver of a tanker that has lost its brakes use a truck escape ramp?
- You are driving a tanker truck. The front wheels begin to skid. Which of these is most likely to occur?
- An emergency forces you to stop your tanker quickly or crash. You should
- Which of these statements about tankers are true?
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