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 three possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Hawaii 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. A pre-trip inspection should include:

A check of the engine oil level.

Removing coolant.

Washing the tire rims.

When examining the engine compartment during a pre-trip inspection, you should check the engine oil level, the radiator coolant level, and the condition of the hoses.

2. What is road rage?

Operating a motor vehicle with the intent of doing harm to others

Operating a motor vehicle that is deemed unsafe

Operating a motor vehicle that has not been inspected

Aggressive driving is defined as operating a motor vehicle in a selfish, bold, or pushy manner. Road rage is defined as operating a motor vehicle with the intent of doing harm to others, or the intent of physically assaulting another driver or their vehicle.

3. After completing a pre-trip inspection, you should ensure that the:

Service line valve is closed.

Trailer hand brake is applied.

Emergency line valve is open.

Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves and listening for escaping air. Close both shut-off valves before beginning to drive.

4. Radial and bias-ply tires:

Should be used together.

Should be used together on the front of a vehicle.

Should not be used together.

Radial and bias-ply tires should not be used together. All wheels on a vehicle should be the same style and equally-sized.

5. Liquid surge occurs in:

Overfilled tanks.

Partially-filled tanks.

Tanks that have not been used for a period of time.

Surge results from the movement of liquid in tanks that are partially filled.

6. If you use the trailer hand brake while your trailer is skidding, it will:

Stop the skid.

Straighten the trailer.

Continue the skid.

If you are experiencing a trailer jackknife, you can help your tires regain traction by releasing the brakes. Using a trailer hand brake while experiencing a skid will only cause the skid to continue.

7. When near a railroad crossing:

You should expect to hear every approaching train.

You may not hear a train, even if one is approaching.

You will hear two short blasts of a train's horn if a train is approaching.

You should never assume that you will hear an approaching train. The train operator may fail to sound the horn, or the use of a train's horn may be prohibited in a specific area. Even if the train does sound its horn, noise from inside your own vehicle may prevent you from hearing the train until it is dangerously close.

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