Knowledge Test Class A #2
Class A Driving Test | Oklahoma 2025 #2 Page 6 of 7
Train for FREE online with our Oklahoma class A 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 A permit 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 CDL class A requirements may vary from state to state.
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36 . ____ are the most likely to be affected by strong winds.
Strong winds can make it difficult for a driver to maintain control of their vehicle. Usually, this is especially true for drivers of lighter CMVs.
37 . Manual air tank drains should be:
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
38 . 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.
39 . 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.
40 . When it is difficult to see and you are traveling near other drivers, you should:
Use your low beam headlights when traveling near other drivers at times when it is difficult to see, such as at dawn, at dusk, or in poor weather conditions. Using the high beam setting under certain conditions could make it difficult for other drivers to see.
41 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
42 . Header boards:
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
See the exact questions that will be on the 2025 Oklahoma DMV exam.
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2025 Oklahoma | Frequently Asked Questions
In Oklahoma, a Commercial Driver's License (CDL) Class B is a type of license required to operate vehicles with a Gross Vehicle Weight Rating (GVWR) of more than 26,000 pounds or towing vehicles not in excess of 10,000 pounds. This includes buses, dump trucks, delivery trucks, and utility trucks. The license requires passing a general knowledge test and a skills test.
A Class B CDL license in Oklahoma allows you to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR. This includes straight trucks, large buses, segmented buses, box trucks, dump trucks with small trailers, and tractor-trailers.
To acquire a Class B CDL license in Oklahoma, you must be at least 18 years old (21 if you plan to drive interstate), possess a valid Oklahoma driver's license, pass a DOT physical examination, and have good vision and hearing. You'll also need to pass a written knowledge test and a skills test, which includes a pre-trip vehicle inspection, a basic controls test, and a road test.
In Oklahoma, you must be at least 18 years old to qualify for a Class B CDL license. However, if you intend to drive commercially across state lines (interstate commerce), federal regulations require that you be at least 21 years old.
Specific endorsements aren't necessary for a Class B CDL license in Oklahoma, but they can expand your job opportunities. Endorsements allow you to operate special types of vehicles like school buses, tank vehicles, or vehicles carrying hazardous materials. To get an endorsement, you must pass additional knowledge and skills tests related to the specific vehicle type.
The Class B CDL skills test in Oklahoma includes three parts: pre-trip vehicle inspection, basic vehicle control, and on-road driving. You will have to demonstrate your ability to inspect your vehicle, make sure it's safe to drive, show basic control like backing and turning, and prove you can safely drive in various road conditions and traffic situations.
Class B CDL license holders in Oklahoma are permitted to operate any single vehicle with a GVWR of 26,001 pounds or more, and any such vehicle towing another not exceeding 10,000 pounds. However, they are not allowed to operate a Class A combination vehicle. Restrictions may apply depending on the driver's record and the specific endorsements on the license.
In Oklahoma, the written test for a Class B CDL is primarily offered in English. However, some testing centers may offer the test in Spanish. It's important to note that federal regulations require all CDL holders to have a basic understanding of the English language to ensure safety on the roads.
Yes, you can request test accommodations for the Class B CDL written exam in Oklahoma if you have a disability. You'll need to provide documentation of your disability and specify the type of accommodation you need. It's recommended to make your request well in advance of your scheduled test date to allow time for approval.
Yes, you can retake the Class B CDL written test in Oklahoma if you don't pass on your first attempt. You must wait at least one day before retesting. There may be a retest fee. It's recommended to review the areas you struggled with before attempting the test again. Keep in mind, after three failed attempts, you'll need to wait 30 days before retesting.
