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Wyoming CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
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 Wyoming Driver License Manual for Commercial and Heavy Vehicles. 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.
You have made error so far
Passing grade —
4 or fewer errors

Passive railroad crossings:

Are controlled by flashing lights.
Are not controlled by any type of traffic control device.
Have gates that lower when trains are approaching.
Should never be crossed by a CMV.

The amount of liquid cargo than can be loaded into a tank depends on:

The time of year.
Legal weight limits.
The ability of the driver.

If approaching a railroad crossing that is being approached by a train, you should:

Try to cross the tracks quickly.
Drive around any lowered gates.
Stop and wait for the train to pass before beginning across the tracks.

When driving a vehicle with empty cargo tanks that are used to carry hazardous materials, the driver:

Can cross railroad tracks without slowing or stopping.
Needs to slow when approaching railroad tracks, but is not required to stop.
Must stop at railroad crossings before proceeding.
Should never drive over railroad tracks.

On slippery roads, you should:

Pass vehicles if they aren’t driving the speed limit.
Adjust driving to match the conditions.
Drive on the shoulder.
Accelerate and decelerate frequently.

Texting while driving a CMV is:

Acceptable if the text is work-related.
Acceptable if there are fewer than 10 words in the text message.
Encouraged because it is safer than talking on the phone.

When using mirrors while driving, you should:

Look in the mirrors quickly.
Look in the mirrors for extended periods of time.
Use only the rearview mirror.
Use only the driver’s side mirror.
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