10 exam-style questions with answers and explanations, straight from our 1,030-question bank. Tap an answer to check yourself. When you're ready, take the scored version in the free practice test.
These 10 free X questions are organized by exam domain, so you can see how each part of the Combination of Tank Vehicle and Hazardous Materials blueprint is tested. Reveal the answer and explanation under each question.
A cargo tank displays the marking "09-25 P, V, L" near its specification plate. What does this indicate?
Correct answer: D - In September 2025 the tank passed a pressure test, external visual, and lining inspection
A driver hauling a partially loaded baffled tank trailer makes a quick lane change. What effect do the baffles have on liquid surge?
Correct answer: A - They limit front-to-back surge but not side-to-side surge
A driver picks up a load of milk in a tank trailer that has no baffles. Why is this tank built without them?
Correct answer: B - Sanitation rules forbid baffles in food tanks because they are hard to clean
A driver brings a half-loaded smooth bore tanker to a stop on a slick road. What should the driver anticipate as the vehicle stops?
Correct answer: A - The wave will surge forward and can push the vehicle ahead
Why do different liquids require different amounts of outage in a cargo tank?
Correct answer: D - Liquids expand by different amounts as they warm
A load of hazardous materials requires placards. Who is responsible for supplying those placards?
Correct answer: C - The shipper
A driver hauling placarded hazardous materials parks and walks away from the vehicle. Where must the shipping papers be?
Correct answer: C - In a holder on the inside of the driver's door, or on the driver's seat
A cargo tank contains 150 pounds of a Table 2 hazardous material and nothing else. Placards are:
Correct answer: B - Required, because bulk packagings are placarded regardless of quantity
Placards are required for Table 2 hazardous materials once the non-bulk packages loaded at one facility reach:
Correct answer: A - 454 kilograms (1,001 pounds), counting the weight of the packaging
A shipper offers a load of Division 6.1 poison to be loaded in the same trailer as palletized canned food. The driver must:
Correct answer: C - Refuse to carry poisons in the same vehicle as food
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