HazMat #1
Hazmat Test | Oklahoma 2025 #1 Page 4 of 5
On our website, we provide FREE practice - CDL hazmat 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 OK CDL hazmat endorsement 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 Oklahoma requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.
30
24
20
19 . Before loading or unloading flammable liquids, the engine should be:
Unless you must run the engine to operate a pump, you should always turn off the engine before loading or unloading flammable liquids.
20 . When a shipper packages hazardous materials, they certify:
A shipper of hazardous materials must certify on the shipping paper that the shipment has been prepared in accordance with the rules.
21 . Shipping papers should be:
When transporting hazardous materials, shipping papers should be kept in a pouch in the driver's side door, or in another location where the driver is able to easily reach them while their seat belt is fastened. The papers must be easily visible to anyone who is entering the cab.
22 . On a shipping paper, the identification number, shipping name, and hazard class should:
On hazardous materials shipping papers, the identification number, shipping name, and hazard class must not be abbreviated, unless specifically authorized in the hazardous materials regulations.
23 . In the event of a fire, what should you do before opening trailer 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.
24 . Hazardous materials placards are usually shaped like:
Hazardous materials warning placards are usually diamond-shaped.
Search the best driving school in your neighbourhood
2025 Oklahoma | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Oklahoma, you must first have a valid Oklahoma CDL. Then, pass the Hazmat knowledge test at a Department of Public Safety testing facility. After passing the test, submit a fingerprint-based background check and complete TSA security threat assessment. Once approved, your endorsement will be added to your CDL.
To obtain a CDL Hazmat license, you must have a valid Commercial Driver's License (CDL). You must be at least 21 years old and a U.S. citizen or have legal status in the U.S. You need to pass the Hazmat knowledge test and complete a Transportation Security Administration (TSA) background check, including fingerprinting.
When applying for a CDL Hazmat endorsement, you'll need to provide proof of U.S. citizenship or legal status (like a passport or birth certificate), your current Commercial Driver's License (CDL), and proof of Oklahoma residency. You'll also need to bring your TSA background check results and the proof that you've passed the Hazmat Knowledge Test.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. It's called the Hazmat Knowledge Test and is required by the Federal Motor Carrier Safety Administration. This test covers topics like loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures.
The written test for the CDL Hazmat endorsement covers topics such as identifying hazardous materials, understanding shipping papers, using placards and labels, loading and unloading hazardous materials, driving and parking rules, emergency procedures, and understanding the risks of different types of hazardous materials.
Yes, acquiring a CDL Hazmat endorsement involves extra charges. In addition to the standard CDL license fee, there is a separate fee for the Hazmat endorsement. This covers the cost of the knowledge test and background check. The exact amount can vary, so it's advisable to check with the Oklahoma Department of Public Safety for current fees.
Yes, obtaining a CDL Hazmat endorsement requires a federal background check and security clearance. This includes fingerprinting and checks for criminal history. The Transportation Security Administration (TSA) conducts this process to ensure that hazardous materials are transported safely and securely across the nation's highways.
Yes, specialized training is required for the CDL Hazmat endorsement. Applicants must pass a written test covering hazardous materials regulations and safety procedures. Also, they must undergo a federal background check and fingerprinting. The endorsement will only be added to your CDL after successful completion of these requirements.
No, you cannot transport hazardous materials without a valid CDL Hazmat endorsement. This endorsement is required by federal law for drivers who operate vehicles carrying hazardous materials. Driving without this endorsement can lead to serious penalties, including fines and suspension of your commercial driver's license.
Yes, you can add the CDL Hazmat endorsement to your current CDL license. You don't need to apply for a new CDL. However, you must pass a written knowledge test on hazardous materials regulations and safety protocols, and complete a TSA background check before the endorsement is added to your license.
