Tank Endorsement Test | North Dakota 2025 #1
Train for FREE with our North Dakota tank endorsement practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a ND tank license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a CDL tank vehicle endorsement may vary from state to state.
1 . At what psi is the safety valve set to open?
In an air brake system, the first tank that receives compressed air has a safety valve that releases air if the pressure gets too high. It is usually set to open at 150 psi. If the valve must open, there is a fault in the system that should be repaired by a mechanic.
2 . When nearing a construction worker who is close to the road, you should:
When driving through work zones, you should make a particular point of reducing your speed when workers are on or near the road.
3 . ____ identical placards must be placed on a vehicle transporting hazardous materials.
When hazardous materials placards are required, they must be placed on all four sides of the transporting vehicle.
4 . Most heavy-duty vehicles use:
Most heavy-duty vehicles use dual air brake systems, in which there are two separate braking systems operated by a single set of controls. Each system operates the brakes on different axles.
5 . When loading containers of hazardous materials, you should not use:
When loading or unloading containers of hazardous materials, you should not use hooks, or any other tools that could damage containers or packaging.
6 . Which of the following is not a type of retarder?
Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. The four basic types of retarders are exhaust, engine, hydraulic, and electric.
7 . To help control liquid surge, a driver should:
Drive vehicles with unbaffled tanks slowly and carefully, especially when stopping and starting. Brake well in advance of any stops and increase your following distance.
See the exact questions that will be on the 2025 North Dakota DMV exam.
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