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 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.
Number of Question
Passing Score
1. Passive railroad crossings:
Explanation
Railroad crossings that are not controlled by any type of traffic control device are known as passive crossings. The decision to proceed across tracks at a passive crossing is entirely up to the driver.
2. The amount of liquid cargo than can be loaded into a tank depends on:
Explanation
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. If you are loading a particularly dense liquid, make sure you do not exceed legal weight limits.
3. When driving a vehicle with empty cargo tanks that are used to carry hazardous materials, the driver:
Explanation
A vehicle with tanks that are used to transport hazardous materials must always be stopped before being driven over railroad tracks, even if the tanks are empty.
4. When using mirrors while driving, you should:
Explanation
Focusing on your mirrors for too long can be dangerous because you will have traveled a substantial distance without looking at the road ahead.
5. Texting while driving a CMV is:
Explanation
Texting while driving a commercial motor vehicle is both illegal and dangerous. Manually entering text into or reading text from any electronic device is considered texting.
6. On slippery roads, you should:
Explanation
Make sure to drive slowly and smoothly on slippery roads. Do not pass slower vehicles unless it is necessary to do so. Avoid frequently changing your speed under such conditions.
7. If approaching a railroad crossing that is being approached by a train, you should:
Explanation