FREE Air Brakes Endorsement Test Online | Oklahoma 2024
Train for FREE online with our Oklahoma CDL air brake 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 Class A/Class B driver license in 2021, 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 the requirements for CDL may vary from state to state.
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1 . 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.
2 . You should test the low pressure warning signal by:
It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.
3 . Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
4 . To make a stop in a vehicle equipped with air brakes, the driver should:
To make a normal stop in a vehicle that is equipped with air brakes, you should simply press the brake pedal down.
5 . When you are about to start down a hill, you should switch into a ____ gear.
Before starting down a hill, be sure to switch into a low gear. Gravity will increase your vehicle's speed as you travel downhill.
6 . If the safety relief valve in the air brake system releases air:
An air brake system has a safety relief valve, which releases air from the tanks if the pressure gets too high. If the valve must operate, something in the system is wrong and should be addressed by a mechanic.
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2024 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.
