Directions: 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 four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the North Dakota Commercial Driver Guide. Questions come from chapters covering: Driving Safely, Transporting Cargo, Air Brakes, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

Removing your foot from the accelerator.
Braking.
Swerving to the right.
Swerving to the left.

Required to have spring brakes.
Not required to have spring brakes.
Unsafe to drive.
Prohibited from public roadways.

Ask another driver.
Use your mirrors to determine if the trailer has left the lane.
Release the brake pedal and then push it down again.
Watch the jackknife warning light on the control panel.

Trim the length of the load.
Ask someone else to drive.
Ensure flags and lights indicating the oversize load are fastened securely.
Drive without making any changes.

Put on their hazard lights.
Downshift.
Brake normally.
Use their parking brake to stop.

North Dakota CDL Permit Test - Tank

Wait, before you go

Number of questions:	20
Passing score:	16

In the morning.
In the early evening.
Late at night.
In the afternoon.

How much distance your vehicle needs to stop.
Possible shortcuts along your planned route.
That arriving to your destination on time is the most important thing.
That other drivers will move out of your way when you are merging with traffic.