Tank
This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the North Carolina Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
Number of Question
Passing Score
1. Hazardous materials shipping papers may not be kept:
Explanation
Shipping papers must be quickly accessible in the event of an emergency. While driving, operators must keep the papers in a pouch on the driver’s door or in clear view and within immediate reach while their seat belt is fastened. Shipping papers may be kept on the driver’s seat when the driver is out of the vehicle.
2. Who is responsible for identifying the hazard class of materials being shipped?
Explanation
The shipper of hazardous materials is responsible for identifying the product's identification number; proper shipping name; hazard class; packing group; and correct packaging, labels, marking, and placards.
3. A Class 7 hazardous material is:
Explanation
Radioactive materials are categorized as Class 7 hazardous materials.
4. When nearing a construction worker who is close to the road, you should:
Explanation
When driving through work zones, you should make a particular point of reducing your speed when workers are on or near the road.
5. A driver should always:
Explanation
While driving, you should continually scan the road to spot potential hazards in advance. Make emergency plans for how to deal with the hazards if they become dangerous.
6. When inspecting the exhaust system, which of the following should not cause concern?
Explanation
When inspecting a vehicle's exhaust system, be alert to a number of potential problems, including loose, broken, or missing exhaust pipes, mufflers, tailpipes, or vertical stacks; loose, broken, or missing mounting brackets, clamps, bolts, or nuts; exhaust system parts rubbing against fuel system parts, tires, or other moving parts of the vehicle; and exhaust system parts that are leaking.
7. Using the trailer hand brake while experiencing a trailer jackknife will:
Explanation
