Instructions

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 two, three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Nebraska 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 20

Passing Score 16

1. When loading liquid cargo, you should take the ____ into account.

Weight of the liquid

Quality of the roads

Time of day

Factors that affect how much liquid is safe to load into your tank include how much the liquid will expand in transit, the weight of the liquid, and legal weight limits.

2. If a vehicle has a vehicle inspection report, the driver:

Should not look at the report and instead try to find any issues themselves.

Should take the vehicle to a mechanic.

Should review the report.

Should not conduct a pre-trip inspection and rely only on the report.

For the first step of a vehicle inspection, you should review the last inspection report on your vehicle, if there is one. The carrier should have repaired any problems noted on the report.

3. Poisonous fumes can enter a cab due to:

A defective exhaust system.

Using the wrong type of fuel.

A lack of oil in the engine.

A faulty exhaust system is a serious safety hazard. It may allow poisonous fumes to enter the vehicle's cab or sleeper berth.

4. A broken exhaust system can:

Let poisonous fumes into the cab.

Improve fuel efficiency.

Make steering more difficult.

Defects in an exhaust system are very dangerous because they can cause poisonous fumes to enter the cab or sleeper berth.

5. On a slippery road, a driver should:

Make turns as quickly as possible.

Refrain from passing slower vehicles.

Stop quickly.

Under slippery conditions, you should drive slowly and smoothly. Make turns as gently as possible and do not pass other vehicles unless you have to.

6. When a tank that is divided by bulkheads is being loaded with liquid cargo, most of the weight should be placed:

In the top of the tank.

In the middle of the tank.

In the rear of the tank.

When filling a tank that is divided by bulkheads, make sure that you do not place too much weight on the front or rear of the vehicle.

7. Regrooved tires are:

Allowed only on the front of a bus.

Allowed only on the rear of a bus.

Not allowed anywhere on a bus.

Regrooved, recapped, or retreaded tires are not permitted to be used on the front of a bus.

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