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.. Read More

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. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Florida CDL Handbook. Questions come from chapters covering: Driving Safely, Combination Vehicles and Doubles and Triples. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. When loading or unloading explosive materials, you should:

Explanation
Always turn off your vehicle's engine before loading or unloading explosive materials. Never drop, throw, or roll packages containing explosives.

2. What happens when the wheels of a trailer lock up?

Explanation
A trailer tends to swing around, potentially resulting in a trailer jackknife, if its wheels lock up.

3. If the brakes “pull” to one side or the other when you use them, it's a sign that:

Explanation
If your vehicle "pulls" to one side when braking, you may have brake trouble. If there is an issue with your brakes, you should fix the issue before driving. Operating an unsafe vehicle is against federal and state laws.

4. A person working on a disabled vehicle on the shoulder of a road:

Explanation
Be cautious when driving near people who are working on disabled vehicles. The task will likely consume their attention, so they may not be aware of traffic or other hazards on the road.

5. After coupling, there should be ____ between the upper and lower fifth wheel.

Explanation
Before a trip, be sure to inspect all couplings. There should be no space between the upper and lower fifth wheel.

6. Who is responsible for installing placards on a vehicle?

Explanation
While shippers of hazardous materials are responsible for providing necessary placards, it is the driver's responsibility to actually place them on the vehicle.

7. What can change the height of a vehicle?

Explanation
The added weight of a heavy load will make a vehicle sit lower than usual. A vehicle will often be taller when carrying a light load than when carrying a heavy load. If your vehicle fits under an overpass while carrying a full load, it is not guaranteed that it will fit under the same overpass if it is empty.
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