Tank Endorsement Test | Alabama 2025 #1

Train for FREE with our Alabama tank endorsement practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a AL tank license in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a CDL tank vehicle endorsement may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . To operate a vehicle that is used to transport hazardous materials, a driver must have:

Only a CDL.

A CDL with a hazardous materials endorsement.

A CDL with a passenger endorsement.

A CDL with an air brake endorsement.

You must have a commercial driver license with a hazardous materials endorsement before driving a vehicle of any size that is used to transport hazardous materials, even if the vehicle is not transporting hazardous materials at the time of operation.

2 . When driving at night, you should do all of the following, except:

Make sure you are rested.

Make sure your glasses are clean.

Wear sunglasses.

To ensure that you can see as well as possible, don't wear sunglasses when driving at night. If you wear eyeglasses, make sure they are clean and unscratched. Make sure you are rested and alert before driving at night.

3 . The amount of liquid cargo being loaded into a tank should depend on:

The speed limits on the route.

Legal weight limits.

The color of the cargo.

The length of the trip.

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, take special care to ensure that you do not exceed legal weight limits.

4 . If the coolant temperature gauge goes above the highest safe temperature, you should:

Continue to drive.

Pull over and figure out what's wrong.

Run the air conditioner.

If the coolant temperature gauge goes above the highest safe temperature, you should stop driving as soon as possible and try to figure out what is wrong. There could be an issue in your vehicle that could lead to engine failure and possibly a fire.

5 . A pre-trip vehicle inspection:

Is not required if the driver regularly uses the vehicle.

Is not required for trips under 100 miles.

Is only to be performed by a mechanic.

Is required by law.

Drivers are required by state and federal law to inspect their vehicles before beginning to drive.

6 . Which of the following is not an example of a driving hazard?

An accident on the roadway

An open road

A police car assisting a motorist on the side of the road

An ice cream truck

Passing an accident scene can be hazardous because the people involved in the accident may not be watching traffic, and the scene itself may distract other passing drivers. Ice cream trucks can create hazardous conditions because they attract children who may not pay attention to nearby vehicles. Shoppers near the roadway are often paying attention to stores, not passing traffic.

7 . How many daily hours of sleep does an adult need to maintain alertness?

Six to seven

Seven to eight

Eight to nine

Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need seven to eight hours of sleep per night.

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2025 Alabama | Frequently Asked Questions

To secure a CDL Doubles/Triples endorsement in Alabama, you must already possess a valid commercial driver's license (CDL). You'll then need to pass the Doubles and Triples Endorsement Knowledge Test. This test covers topics such as coupling and uncoupling, inspecting doubles and triples, and the proper procedures for towing double/triple trailers.

To obtain a CDL Doubles/Triples license, you must first have a valid commercial driver's license (CDL). Next, you'll need to pass the Doubles/Triples Endorsement Knowledge Test. This test covers areas such as coupling and uncoupling, inspecting doubles and triples, and correct towing procedures. Finally, pay the necessary fees to add the endorsement to your CDL.

While Alabama doesn't mandate specialized training for a CDL Doubles/Triples endorsement, it's recommended to study the Doubles/Triples section in the CDL manual thoroughly. This will prepare you for the written knowledge test at your local DMV. Practical experience driving such vehicles can also be beneficial, but it's not a legal requirement.

Yes, to obtain a CDL Doubles/Triples endorsement, you must pass the Doubles/Triples Endorsement Knowledge Test. This written test covers specific areas related to driving double and triple trailers, such as coupling and uncoupling, inspecting doubles and triples, and the correct procedures for towing these types of trailers.

The CDL Doubles/Triples endorsement test is a written knowledge test, not a skills test. It covers topics like coupling and uncoupling, inspecting doubles and triples, and correct towing procedures. However, practical skills like maneuvering such vehicles safely are important to learn during training, even though they are not directly tested during the endorsement exam.

No, it's not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Alabama. This endorsement is required by law to ensure that drivers have the necessary knowledge and skills to operate these types of vehicles safely. Operating without the proper endorsement can result in fines and penalties.

You can add the CDL Doubles/Triples endorsement to your existing Commercial Driver's License. You don't need to initiate a completely new application. However, you will need to pass the Doubles/Triples Endorsement Knowledge Test and pay any associated fees to obtain this endorsement. Always check with your local DMV for specific procedures and requirements.

Yes, there are limitations for drivers with a CDL Doubles/Triples endorsement. These drivers can only operate vehicles that are specifically designed for double or triple trailers. They can't exceed the weight limits set by federal and state laws, and they must comply with hours of service regulations to prevent fatigue-related accidents. Additionally, specific routes may be restricted for these vehicles.

In Alabama, the maximum legal weight for a double or triple trailer setup is 80,000 pounds, depending on the trailer's axle configuration. The maximum length for any one trailer is 53 feet, but the combined length of all trailers can't exceed 65 feet. Violating these restrictions may result in penalties or fines.

Yes, drivers with a CDL Doubles/Triples endorsement must follow specific safety guidelines. These include conducting pre-trip inspections, understanding how to couple and uncouple correctly, and knowing how to handle the high rollover risk associated with these trailers. They must also ensure proper weight distribution in trailers and follow the rules for maintaining safe following distances. Compliance with all federal and state regulations is mandatory.