Knowledge Test Class B #2
Class B Driving Test | Oklahoma 2026 #2 Page 5 of 7
Train for FREE online with our Oklahoma class B license test. 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 class B permit 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 CDL class B requirements may vary from state to state.
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29 . On slippery roads, you should:
On a slippery road, you must adjust your driving speed to fit conditions. Because it will take longer for your vehicle to stop on a slippery road than on a dry road, you should increase your following distance when conditions are slippery. Avoid driving in a way that requires you to change speeds frequently.
30 . What is the average driver’s reaction time?
The average driver has a reaction time between three-quarters of a second and one second. At 55 mph, this corresponds to a distance of 61 feet traveled.
31 . You should maintain at least ____ of following distance per every 10 feet of your vehicle when you are traveling more slowly than 40 mph.
At speeds below 40 mph, you should allow at least one second of following distance for every 10 feet of your vehicle. Follow the same formula when traveling at faster speeds, then add one additional second to your following distance. Remember that larger vehicles require more space to stop than smaller vehicles.
32 . When leaving your vehicle unattended:
In general, you should always use the parking brake when parking your vehicle. However, you should not apply the parking brake if your brakes are very hot or if your brakes are wet and temperatures are below freezing.
33 . Once cargo is secured onto a vehicle:
The securement of cargo must be checked before beginning a trip, within the first 50 miles of a trip, and then again every three hours or 150 miles thereafter.
34 . A jogger wearing a stereo headset:
Be careful around pedestrians, joggers, and cyclists who are wearing headphones. They may be unable to hear your vehicle approaching and may do dangerous things because they do not know you are there.
35 . When driving down a steep hill, your primary source of braking should be:
On a steep downgrade, you must use the engine's braking effect as your primary method of speed control. Be sure to decelerate and downshift appropriately before beginning to drive down the hill. Relying too heavily on the brakes may cause them to overheat and fade, becoming less effective.
2026 Oklahoma | Frequently Asked Questions
To acquire a CDL Tank endorsement in Oklahoma, you first need a Commercial Driver's License (CDL). Then, study the state's CDL manual section on Tank Vehicles. After studying, you'll take a written knowledge test at a Department of Public Safety testing facility. Passing this test grants you the Tank endorsement on your CDL.
To obtain a CDL Tank license, you must first have a Commercial Driver's License (CDL). It's essential to study the Tank Vehicles section in the state's CDL manual. You'll then need to pass a written knowledge test at a Department of Public Safety testing facility. On passing, you'll receive the Tank endorsement on your CDL.
Specific training or experience isn't mandatory for a CDL Tank endorsement in Oklahoma. However, you need to study the Tank Vehicles section in the state's CDL manual. After that, pass a written knowledge test at a Department of Public Safety testing facility. It's also beneficial to have practical experience driving commercial vehicles.
Yes, to obtain a CDL Tank endorsement in Oklahoma, you must pass an additional written knowledge test focused on tank vehicles. This test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. The information for the test can be found in the Oklahoma CDL manual's Tank Vehicles section.
The written test for a CDL Tank endorsement in Oklahoma covers various topics including: how to inspect tank vehicles, recognizing high center of gravity and its effects, handling bulk tanks, and understanding the dangers of surge. It also includes rules for safe driving, loading and unloading, and emergency procedures. The Oklahoma CDL manual provides further details.
The CDL Tank endorsement assessment in Oklahoma focuses on knowledge rather than specific driving maneuvers. It evaluates your understanding of inspecting tank vehicles, handling surge, recognizing the high center of gravity, safe driving practices, and emergency procedures. However, you must still demonstrate proficient general driving skills during your CDL road test.
Drivers with a CDL Tank endorsement must adhere to strict safety regulations due to the hazardous nature of the materials often transported. These include limitations on speed, specific loading/unloading procedures, and mandatory rest periods to prevent fatigue. Violations can result in fines, license suspension, or even revocation of the CDL endorsement.
No, liquid or gas materials cannot be transported without a valid CDL Tank endorsement in Oklahoma. This endorsement is required for drivers operating a commercial vehicle that is designed to transport any liquid or gaseous materials within a tank. Driving without the necessary endorsements can result in significant fines and penalties.
To add the CDL Tank endorsement to your current license in Oklahoma, you will need to complete the Tanker Vehicle Endorsement Application and pay the required fee. You may also need to pass a knowledge test specific to tank vehicles. If you meet the requirements, you can add the endorsement to your existing license without having to submit a fresh application.
Yes, handling hazardous materials with a CDL Tank endorsement in Oklahoma requires adherence to specific regulations. Drivers must pass the Hazmat Endorsement Knowledge Test and a TSA background check. They also need to follow safety protocols while loading, unloading, and transporting hazardous materials. Non-compliance can lead to penalties, including loss of endorsement.