HazMat #1
Hazmat Test | Oklahoma 2025 #1 Page 3 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.
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13 . During a cargo fire, opening the trailer doors may actually cause the fire to expand because doing so:
When experiencing a cargo fire, it may be a bad idea to open the doors to the trailer. Doing so allows oxygen to enter the area, potentially causing the fire to flare up and expand.
14 . How often do hazardous materials employees need to be trained?
Employees who work with hazardous materials must be trained and tested at least once every three years.
15 . A person should not smoke within ____ of a vehicle placarded for Class 3 or Division 2.1 materials.
You should not smoke within 25 feet of a placarded cargo tank used to transport materials that are categorized as Class 3 (flammable liquids) or Division 2.1 (gases). Do not smoke or carry a lit cigar, pipe, or cigarette near a vehicle containing flammable or explosive materials.
16 . If cargo containing hazardous materials is leaking but the driver does not have access to a phone, they should:
If a cargo of hazardous materials begins to leak, do not move your vehicle any more than safety requires. If you continue to drive, an even larger area will become contaminated. Instead, you should park your vehicle, secure it, stay with the vehicle, and contact the proper emergency personnel. If you do not have access to a phone, you should send someone else to get help.
17 . The power unit of a placarded vehicle must carry a fire extinguisher with a minimum rating of:
The power unit of a placarded vehicle must be equipped with a fire extinguisher with an Underwriters Laboratories (UL) rating of 10 B:C or more.
18 . What is the symbol for a marine pollutant?
The marine pollutant symbol is the image of a fish in a white triangle with an X through through the fish.
See the exact questions that will be on the 2025 Oklahoma DMV exam.
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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.
