Alabama HazMat CDL Test 1 - DMV Exam Practice

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HazMat Test 1

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Question 1 of 30

1. Question
When loading or unloading explosive materials, you should:
- Keep the engine running.
- Turn off the engine.
- Use sharp-pointed tools to open the packages.
- Toss packages.
Correct

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

Incorrect

Always turn off your vehicle’s engine before loading or unloading explosive materials. Never drop, throw, or roll packages containing explosives.
Question 2 of 30

2. Question
Placards showing the type of hazardous materials in a vehicle are usually shaped like what?
- An octagon
- A circle
- A diamond
- Hazardous materials warning placards are diamond-shaped.
Correct

Incorrect
Question 3 of 30

3. Question
As a driver, which of the following is not your job at the scene of an accident?
- Keeping people away from the scene.
- Taking heroic measures to put the fire out.
- Communicating the danger of the hazardous materials to response personnel.
- If you are involved in an accident while carrying hazardous materials, it is your responsibility as the driver to keep people away from the scene; limit the spread of material if you can safely do so; inform emergency response personnel of the dangers posed by the materials; and provide emergency personnel with the shipping papers and emergency response information. Unless you have protective equipment and the necessary training, do not try to fight hazardous materials fires yourself.
Correct

Incorrect
Question 4 of 30

4. Question
A Class 7 hazardous material is:
- Explosive.
- Flammable.
- Radioactive.
- Corrosive.
Correct

Radioactive materials are categorized as Class 7 hazardous materials.

Incorrect

Radioactive materials are categorized as Class 7 hazardous materials.
Question 5 of 30

5. Question
If loading corrosive materials, you should not:
- Roll the containers.
- Load the containers by hand.
- Use the vehicle’s parking brake.
- If loading by hand, load breakable containers of corrosive liquid one by one. Keep them facing upright. Do not drop or roll the containers.
Correct

Incorrect
Question 6 of 30

6. Question
Placards showing the type of hazardous materials in a vehicle are usually which shape?
- A tall rectangle
- A triangle
- A diamond
- In general, vehicles carrying hazardous materials are required to display diamond-shaped warning signs on all four sides. These warning signs are called "placards."
Correct

Incorrect
Question 7 of 30

7. Question
A placard identifying hazardous materials must be placed:
- Inside the trailer.
- Inside the cab.
- On the outside of the vehicle.
- When required, hazardous materials placards must be placed on the front, rear, and both sides of a vehicle.
Correct

Incorrect
Question 8 of 30

8. Question
To know which placards to use, you need to know:
- The hazard classes of the materials.
- The types of containers holding the materials.
- The destination.
- The shipper.
Correct

To determine which hazardous materials placards to use, you must know the hazard class of the materials; the amount of hazardous materials being shipped; and the total weight of all classes of hazardous materials in the vehicle.

Incorrect

To determine which hazardous materials placards to use, you must know the hazard class of the materials; the amount of hazardous materials being shipped; and the total weight of all classes of hazardous materials in the vehicle.
Question 9 of 30

9. Question
When trying to control a minor truck fire, what should you do before opening trailer doors?
- Check to see if the doors are hot.
- Throw water on the doors.
- Remove your protective equipment.
- If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. Leave the doors closed if there is a cargo fire.
Correct

Incorrect
Question 10 of 30

10. Question
If transporting explosives:
- You must have a written route plan.
- You should take the shortest possible route.
- You can always use tunnels.
- If transporting Division 1.1, 1.2, or 1.3 explosives, you must follow a written route plan. Whenever placarded, avoid heavily populated areas, crowds, tunnels, narrow streets, and alleys. Be sure to research any restrictions that may apply to the routes you plan to take.
Correct

Incorrect
Question 11 of 30

11. Question
If corrosive materials leak in the trailer, the trailer should be:
- Cleaned with acid.
- Cleaned with water.
- Left to air-dry without washing.
- Cleaned with bleach.
Correct

Parts of a vehicle that have been exposed to a corrosive material must be thoroughly washed with water.

Incorrect

Parts of a vehicle that have been exposed to a corrosive material must be thoroughly washed with water.
Question 12 of 30

12. Question
When approaching a railroad crossing while transporting chlorine:
- You must stop before crossing the tracks.
- You must reduce your speed before crossing the tracks.
- You may proceed across the tracks without stopping if no warning lights are flashing.
- If transporting any amount of chlorine, a driver must always stop at a railroad crossing 15 to 50 feet from the nearest track, regardless of the presence of a train.
Correct

Incorrect
Question 13 of 30

13. Question
If there is a collision involving a vehicle transporting Class 1 explosives, the driver should:
- Not warn others of the danger.
- Allow smoking near the vehicle.
- Keep the explosives inside the vehicle until after separating the vehicles involved in the collision.
- Remove the explosives from the vehicle before separating the vehicles involved in the collision.
Correct

If you are driving a vehicle that is transporting Class 1 explosives and it is involved in an accident, you should warn others of the danger, keep bystanders away, and not allow smoking or open fires near the vehicle. Before separating the vehicles involved in the collision, remove all explosives and place them at least 200 feet away from the vehicles and any occupied buildings.

Incorrect

If you are driving a vehicle that is transporting Class 1 explosives and it is involved in an accident, you should warn others of the danger, keep bystanders away, and not allow smoking or open fires near the vehicle. Before separating the vehicles involved in the collision, remove all explosives and place them at least 200 feet away from the vehicles and any occupied buildings.
Question 14 of 30

14. Question
What should be done if the third column of the Hazardous Materials Table contains the word “Forbidden?”
- The indicated substance should not be transported.
- The indicated substance should be transported by air.
- The indicated substance should only be transported at night.
- The indicated substance should be accompanied by a security guard.
Correct

The third column of the Hazardous Materials Table lists items’ hazard classes and divisions. Drivers should never transport a material that is marked by the word “Forbidden.”

Incorrect

The third column of the Hazardous Materials Table lists items’ hazard classes and divisions. Drivers should never transport a material that is marked by the word “Forbidden.”
Question 15 of 30

15. Question
Shipping papers must include:
- An emergency response telephone number.
- The price of the materials.
- The use of the materials.
- Shippers of hazardous materials are required to include an emergency response telephone number on shipping papers.
Correct

Incorrect
Question 16 of 30

16. Question
A person should not smoke within ____ of a vehicle placarded for Class 3 or Division 2.1 materials.
- Five feet
- 25 feet
- 100 feet
- 1,000 feet
Correct

Do not smoke within 25 feet of a placarded cargo tank used to transport Class 3 or Division 2.1 hazardous materials.

Incorrect

Do not smoke within 25 feet of a placarded cargo tank used to transport Class 3 or Division 2.1 hazardous materials.
Question 17 of 30

17. Question
If the words “Inhalation Hazard” appear on shipping papers:
- An inhalation hazard placard must be used, but only if more than 100 pounds of the material are being transported.
- An inhalation hazard placard must be used when any amount of the material is being transported.
- Air masks must be provided to anyone handling the cargo.
- If the words "Inhalation Hazard" are on a package or its shipping paper, you must display the proper inhalation hazard placards, as well as any other necessary placards. This applies regardless of the amount of materials being carried.
Correct

Incorrect
Question 18 of 30

18. Question
If transporting explosives, you may leave your vehicle unattended:
- In a rest area.
- At a truck stop.
- On private property.
- In a safe haven.
Correct

When transporting hazardous materials, you may leave your vehicle unattended in a safe haven. A safe haven is a location that has been approved for parking unattended vehicles that are loaded with explosives.

Incorrect

When transporting hazardous materials, you may leave your vehicle unattended in a safe haven. A safe haven is a location that has been approved for parking unattended vehicles that are loaded with explosives.
Question 19 of 30

19. Question
When transporting hazardous materials, placards:
- Should be lit up.
- Should be used on all four sides of the vehicle.
- Should be used only by Class A licensed drivers.
- When required, hazardous materials placards must be placed on all four sides of a vehicle transporting hazardous materials.
Correct

Incorrect
Question 20 of 30

20. Question
A hazardous material’s identification number should appear:
- On the transporting vehicle's bumper.
- On the material's packaging.
- On a sticker near the material's shipping container.
- A material's ID number must appear on its accompanying shipping paper as well as on its packaging. It also must appear on cargo tanks and other bulk packaging.
Correct

Incorrect
Question 21 of 30

21. Question
If cargo containing hazardous materials is leaking, the driver should:
- Drive to find a phone to alert emergency personnel
- Drive to a designated hazardous materials clean up facility
- Park the vehicle and contact emergency personnel
- Continue driving to the destination
Correct

In the event of a leak in a cargo of hazardous materials, do not continue to drive any longer than is necessary for safety. Continuing to drive would result in a larger area becoming contaminated. Instead, park the vehicle, secure the area, stay with the vehicle, and send someone to get help.

Incorrect

In the event of a leak in a cargo of hazardous materials, do not continue to drive any longer than is necessary for safety. Continuing to drive would result in a larger area becoming contaminated. Instead, park the vehicle, secure the area, stay with the vehicle, and send someone to get help.
Question 22 of 30

22. Question
Class 1, Class 2.1, and Class 3 materials should not be placed in a trailer with:
- A heater.
- An air conditioner.
- Other items.
- The use of cargo heaters is not always permitted. When transporting materials that are categorized as Class 1 (Explosives), Class 2.1 (Flammable Gases), or Class 3 (Flammable Liquids), the use of heaters in the same space is generally prohibited.
Correct

Incorrect
Question 23 of 30

23. Question
If a shipping paper describes both hazardous and non-hazardous materials:
- The hazardous materials must be listed first.
- The hazardous materials must be written larger.
- The hazardous materials must be listed in red ink.
- If a shipping paper lists both hazardous and non-hazardous materials, the hazardous materials must be entered first.
Correct

Incorrect
Question 24 of 30

24. Question
In the event of a fire, what should you do before opening trailer doors?
- Check to see if the doors are hot.
- Throw water on the doors.
- Find someone else to open the doors.
- If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. In this case, leave the doors closed because opening the doors could worsen the fire by supplying it with more oxygen.
Correct

Incorrect
Question 25 of 30

25. Question
If you notice a cargo leak, you can identify the leaking cargo:
- By tasting it.
- By touching it.
- By using the shipping papers.
- By rubbing it on your arm.
Correct

In the event of a leak in a cargo of hazardous materials, use the shipping papers, labels, or package locations to identify the materials involved. Do not touch the leaking materials.

Incorrect

In the event of a leak in a cargo of hazardous materials, use the shipping papers, labels, or package locations to identify the materials involved. Do not touch the leaking materials.
Question 26 of 30

26. Question
When loading compressed gas, the liquid discharge valves should be:
- Closed.
- Greased.
- Open.
- Removed.
Correct

Keep liquid discharge valves on a compressed gas tank closed, except when loading and unloading.

Incorrect

Keep liquid discharge valves on a compressed gas tank closed, except when loading and unloading.
Question 27 of 30

27. Question
The identification numbers assigned to chemicals can be found:
- In the DOT Emergency Response Guide.
- In the truck's manual.
- In the Periodic Table of Elements.
- Information about hazardous chemicals is found in the Emergency Response Guide (ERG) provided by U.S. Department of Transportation (DOT). The ERG is indexed by the proper shipping names and identification numbers of substances.
Correct

Incorrect
Question 28 of 30

28. Question
When loading containers of hazardous materials, you should not use:
- Dollies.
- Hooks.
- Straps.
- Always protect containers of hazardous materials. When loading hazardous materials, never use equipment that could damage containers or packaging, such as hooks.
Correct

Incorrect
Question 29 of 30

29. Question
If cargo is leaking, you should:
- Touch the leaking material to identify the cargo.
- Use shipping papers and labels to identify the leaking cargo.
- Assume all the cargo is leaking.
- Spray the leaking containers with water.
Correct

If you discover a leak in a cargo of hazardous materials, identify the materials in question by using the shipping papers, labels, or package location. Do not touch the leaking material.

Incorrect

If you discover a leak in a cargo of hazardous materials, identify the materials in question by using the shipping papers, labels, or package location. Do not touch the leaking material.
Question 30 of 30

30. Question
If transporting chlorine, what must be kept in the vehicle?
- A phone with emergency numbers programmed
- An approved gas mask
- A chemical suit
- Directions for emergency personnel
Correct

A driver transporting chlorine in cargo tanks must keep an approved gas mask and an emergency kit in their vehicle.

Incorrect

A driver transporting chlorine in cargo tanks must keep an approved gas mask and an emergency kit in their vehicle.

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Related FAQs

What is a Class A CDL license in Alabama?

A Class A Commercial Driver’s License (CDL) in Alabama allows you to operate large combination vehicles with a total weight of 26,001 pounds or more, provided the vehicle being towed weighs more than 10,000 pounds. It is commonly used for operating tractor-trailers and similar heavy-duty vehicles.

What vehicles can I operate with a Alabama Class A CDL license?

With a Class A CDL in Alabama, you can drive vehicles like semi-trucks, tractor-trailers, truck and trailer combinations, livestock carriers, flatbeds, and tanker vehicles. You can also operate Class B and Class C vehicles if you have the appropriate endorsements.

What are the requirements to obtain a Class A CDL license in Alabama?

To obtain a Class A CDL in Alabama, you must: (1) be at least 18 years old (21 for interstate driving), (2) hold a valid non-commercial driver’s license, (3) pass a Department of Transportation (DOT) medical exam, (4) get a Commercial Learner’s Permit (CLP), and (5) pass knowledge and road skills tests after completing entry-level driver training (ELDT) from an FMCSA-approved provider.

What is the minimum age requirement for a Class A CDL license in Alabama?

The minimum age to apply for a Class A CDL in Alabama is 18 years old for intrastate driving (within Alabama). To drive across state lines or transport hazardous materials, you must be at least 21 years old.

Do I need any endorsements for a Alabama Class A CDL license?

Yes, depending on the type of vehicle or cargo, endorsements may be needed. Common endorsements for Class A CDL holders include: (T) Double/Triple Trailers, (N) Tank Vehicles, (H) Hazardous Materials, (X) Tanker and Hazmat Combined, and (P) Passenger Vehicles. Each endorsement requires passing additional written tests.

What is involved in the Class A CDL skills test in Alabama?

The Class A CDL skills test in Alabama includes three parts: (1) Pre-trip Inspection to show you understand how to check vehicle safety, (2) Basic Control Skills Test to demonstrate backing, turning, and maneuvering, and (3) Road Test to show safe driving in real-world conditions.

Are there any restrictions or limitations for drivers with a Alabama Class A CDL license?

Yes. Some limitations may apply, especially for drivers under 21, who cannot drive out of state or transport hazardous materials. Also, any medical or legal disqualifications, such as certain convictions, may restrict your CDL.

Can I take the Class A CDL written test in a language other than English in Alabama?

The written test for a Class A CDL in Alabama is generally offered in English. However, some locations may offer it in Spanish. It’s best to check with your local testing center. Keep in mind, the road skills test must be taken in English as per federal law.

Can I request accommodations for the Alabama Class A CDL written test due to a disability?

Yes, Alabama provides accommodations for individuals with disabilities. You must notify the testing center in advance to arrange accommodations such as extra time or alternative testing formats based on documented needs.

What happens if I fail the Class A CDL written test in Alabama? Can I retake it?

If you fail the Class A CDL written test in Alabama, you can retake it. There may be a short waiting period, and a small retest fee may apply. Be sure to study the CDL Manual and practice using online resources before your next attempt.

Pass Your Written Test on the First Try

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HazMat Test 1

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