HazMat #2
Hazmat Test | Oklahoma 2026 #2 Page 5 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 2026, 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
25 . 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.
26 . While driving, shipping papers should be:
While hazardous materials are being transported, shipping papers should either 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 clearly visible to anyone who is entering the cab.
27 . 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.
28 . You may leave a vehicle that is carrying explosives unattended:
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.
29 . A placard identifying hazardous materials must be placed:
When required, hazardous materials placards must be placed on the front, rear, and both sides of a vehicle.
30 . 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.
2026 Oklahoma | Frequently Asked Questions
To secure a CDL Bus endorsement in Oklahoma, you need to apply through the Department of Public Safety. You must already possess a Commercial Driver's License (CDL). Then, pass the passenger transport test, which includes both written and skills tests. The written test covers topics like loading/unloading passengers, emergency procedures, and vehicle inspections. The skills test includes vehicle inspection, basic controls, and on-road driving.
Obtaining a CDL Bus license in Oklahoma requires you to have a Commercial Driver's License (CDL) first. Then, you must pass the passenger transport test, which includes a written test and skills tests. The written test covers topics like vehicle inspection, passenger loading/unloading, and emergency procedures. The skills test involves demonstrating vehicle inspection, basic controls, and on-road driving abilities.
Yes, specific training is necessary for a CDL Bus endorsement in Oklahoma. You must pass both a written and skills test that covers vehicle inspection, passenger loading and unloading, and emergency procedures. This usually requires some form of training or experience. Some drivers gain this experience on the job, while others may complete a professional training program.
CDL Bus licenses fall into three classifications based on the vehicle's size and purpose: Class A, B, and C. Class A is for vehicles towing trailers over 10,000 pounds. Class B is for vehicles not towing trailers over 10,000 pounds, like city buses. Class C is for vehicles designed to transport 16 or more passengers including the driver, or hazardous materials.
No, you cannot use your personal vehicle for the CDL Bus driving test in Oklahoma. The vehicle used for the test must match the class and type of vehicle you plan to drive with your CDL. For a bus endorsement, you would need to test in a bus. You may rent a bus or use one provided by a training program or employer.
During the CDL Bus driving test in Oklahoma, you'll be evaluated on several specific skills. These include pre-trip vehicle inspection, backing maneuvers, navigating intersections and railway crossings, controlling the vehicle, and stopping at designated points. You'll also be tested on loading and unloading passengers, use of mirrors, and emergency evacuation procedures.
Yes, additional medical prerequisites are necessary for a CDL Bus endorsement. Applicants must pass a Department of Transportation (DOT) physical exam every 24 months to ensure they're physically capable of safe driving. This includes vision and hearing tests, blood pressure monitoring, and checks for conditions like diabetes or heart disease that could affect driving ability.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Oklahoma. Operating a commercial vehicle like a bus without the proper license and endorsements can lead to significant fines, penalties, and even jail time. Always ensure you have the correct licensing to legally and safely transport passengers.
In Oklahoma, you can add a CDL Bus endorsement to your existing commercial driver's license. You don't need to apply for a new license. However, you will have to pass the Passenger Transport Test and a skills test in a passenger vehicle to get this endorsement.
Yes, there are restrictions for drivers with a CDL Bus endorsement in Oklahoma. These may include the type of bus you can drive, based on the specific endorsements you have. Furthermore, you must comply with hours of service regulations, maintain a clean driving record, and pass regular physical examinations to ensure you are physically capable of operating a commercial vehicle safely.