Combination #2
Combination Vehicles Practice Test | Ohio 2025 #2
Train for FREE online with our Ohio CDL combination vehicle 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 OH combination license 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 DMV requirements for issuing a combination license may vary from state to state.
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1 . The emergency air line supplies air to the:
The emergency air line (also known as the supply line) has two functions. The first is to supply air to the trailer air tanks, and the second is to control the emergency brakes on combination vehicles.
2 . Operating combination vehicles usually requires ____ operating single vehicles.
Combination vehicles are usually heavier and longer than single combination vehicles. Operating a combination vehicle requires a higher level of driving skill than operating a single commercial vehicle.
3 . If a trailer begins to jackknife, the driver:
If a trailer begins to jackknife, you should release the brakes and allow the trailer wheels to regain traction with the road. Do not apply the trailer hand brake to attempt to straighten out the rig because the application of brakes is what caused the wheels to lock in the first place.
4 . The best way to recognize that your trailer has started to skid is by:
The easiest way to become aware that your trailer has begun to jackknife is to observe it in your mirrors. Checking your trailer in your mirrors will also allow you to spot any skidding at the earliest possible moment.
5 . The trailer hand valve should not be used while you are driving because:
Never use the trailer hand valve while operating your vehicle. Using the trailer hand valve while driving can cause your trailer to skid.
6 . Look into the back of the fifth wheel:
While inspecting a coupling, you should go under the trailer and look into the back of the fifth wheel. Ensure that the fifth wheel jaws are secured around the shank of the kingpin.
7 . When you are pulling a trailer, the air supply control lever should be in its ____ position.
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "normal" position, it is properly set for you to pull a trailer.
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2025 Ohio | Frequently Asked Questions
In Ohio, a Commercial Driver's License (CDL) Class B allows you to operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 lbs or more, or tow a vehicle not exceeding 10,000 lbs. It also permits driving buses, farm labor vehicles, and any vehicle not defined in Class A or Class C.
A Class B CDL license in Ohio allows operation of single vehicles with a gross vehicle weight rating of 26,001 lbs or more, or those towing vehicles not exceeding 10,000 lbs. This includes buses, dump trucks, tow trucks, delivery trucks, garbage trucks, and straight trucks. It does not include Class A or Class C vehicles.
To acquire a Class B CDL license in Ohio, you must be at least 18 years old (21 for interstate driving), possess a valid Ohio driver's license, pass a vision test, and complete a written knowledge exam. Additionally, you must pass a skills test which includes a pre-trip inspection, basic controls test, and on-road driving test. Medical examinations may also be required.
In Ohio, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL) for intrastate driving (within Ohio only). However, if you plan to drive interstate (across state lines) or haul hazardous materials, you must be at least 21 years old.
Specific endorsements aren't necessary for a Class B CDL license in Ohio, but they can expand your driving capabilities. Endorsements are available for passenger transport (P), school buses (S), tank vehicles (N), and hazardous materials (H). Each endorsement requires passing additional knowledge and skills tests.
The Class B CDL skills assessment in Ohio includes three parts: a pre-trip vehicle inspection to test your ability to assess if the vehicle is safe to drive, a basic controls test to evaluate your ability to control the vehicle, and an on-road driving test to assess your skills in traffic situations, including left and right turns, intersections, railway crossings and more.
Yes, there are limitations for Class B CDL license holders in Ohio. They are allowed to operate single vehicles with a gross vehicle weight rating of 26,001 lbs or more, or any such vehicle towing another not exceeding 10,000 lbs. However, they cannot legally operate a Class A combination vehicle. For some vehicles like school buses or tank trucks, special endorsements are required.
In Ohio, the written Class B CDL test is primarily offered in English. However, some locations may offer the test in other languages. It's recommended to contact your local Ohio Bureau of Motor Vehicles (BMV) for specific information on language availability. Note that federal regulations require all CDL holders to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class B CDL written exam if you have a disability. The Ohio Bureau of Motor Vehicles (BMV) provides reasonable testing accommodations in compliance with the Americans with Disabilities Act (ADA). However, you need to make this request in advance and provide documentation of your disability. Contact your local BMV for specific procedures on requesting accommodations.
Yes, if you fail the Class B CDL written test in Ohio, you can retake it. However, you must wait at least 24 hours before retesting. There is no limit to the number of times you can retake the test, but a retesting fee applies each time. It's advisable to study thoroughly to increase your chances of passing on the next attempt.
