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

It is best to hide your intentions from others.
You should only use turn signals if there are vehicles near you.
You should not use turn signals in construction zones.
You should always use turn signals to warn others about your intentions.

Stacked no more than two containers high.
Stacked to the ceiling.
Loaded on top of other products.
Loaded in the cabin.

Montana CDL Permit Test - Tank

Wait, before you go

Number of questions:	20
Passing score:	16

You should brake hard.
You should not brake as it may cause the wheels to lock.
You should turn very sharply.

Are not a cause for concern.
Are extremely dangerous.
Cannot be identified.

Follow the vehicle too closely.
Allow the vehicle plenty of space.
Are happy with the speed of travel.