FREE Air Brakes Endorsement Test Online | Ohio 2024 Page 2 of 4
Train for FREE online with our Ohio 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 OH 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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7 . While driving, ____ generally holds spring brakes in place.
While driving, spring brakes are generally held in place by air pressure. If the air pressure gets low enough, the springs will activate the brakes.
8 . The rods in S-cam brakes move the slack adjusters when air pressure is added to the brake chambers. This air pressure is added to the chambers when the driver:
When pressing the brake pedal in a vehicle with S-cam brakes, air will enter the brake chambers. The added air pressure will push out the rods and move slack adjusters, twisting the brake camshafts.
9 . What is removed when an air tank is drained?
In an air brake system, air tanks have drains to remove accumulations of water and compressor oil. Allowing water and oil to accumulate in the system could cause damage to the brakes.
10 . What kind of brakes do most newer heavy-duty trucks use?
Most newer heavy-duty vehicles use dual air brake systems. A dual air brake system has two separate air brake systems which use a single set of brake controls.
11 . Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.
Vehicles with ABS have yellow malfunction lamps to alert drivers when the braking systems are not working. Be sure you know where the malfunction lamp on your vehicle is before beginning a trip.
12 . Why do large vehicles use air brakes?
If used and maintained properly, air brakes are a safe and effective way to stop large, heavy vehicles.
2024 Ohio | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Ohio, you must first have a Commercial Driver's License (CDL). You then need to pass the Doubles/Triples Knowledge test. After passing the test, you can apply for the endorsement at your local Bureau of Motor Vehicles (BMV). Remember, driving experience with large trucks is highly recommended before applying.
To obtain a CDL Doubles/Triples license, you first need a valid Commercial Driver's License (CDL). Then, study the Doubles/Triples section of your state's CDL manual. After studying, you'll need to pass a written knowledge test at a local Bureau of Motor Vehicles (BMV). The test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling.
While Ohio doesn't explicitly require specialized training for a CDL Doubles/Triples endorsement, it's highly recommended. Experience with large trucks is beneficial as handling double/triple trailers is complex. Preparing for the Doubles/Triples Knowledge test, which includes questions on coupling and uncoupling, inspecting doubles and triples, and checking air brakes, will also require some form of study or training.
Yes, to obtain a CDL Doubles/Triples endorsement in Ohio, you are required to pass the Doubles/Triples Knowledge test. This test focuses on specific areas like coupling and uncoupling, inspecting doubles and triples, and checking air brakes. It's crucial to study these areas thoroughly to successfully pass the exam.
The CDL Doubles/Triples endorsement test in Ohio is a written knowledge test, not a skills test. Therefore, you won't need to showcase any physical maneuvers. However, you'll need to demonstrate understanding of topics like coupling and uncoupling, inspecting doubles and triples, checking air brakes, and driving safely with more than one trailer.
No, it is not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Ohio. Operating such vehicles without the correct endorsement could result in fines, penalties, and potentially the suspension of your CDL. It's important to obtain the correct endorsements for the type of vehicle you're operating.
You can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. You don't need to start a new application for a separate license. However, you will need to pass the Doubles/Triples Knowledge test and pay any associated fees to have this endorsement added to your current CDL.
Yes, there are limitations for drivers with a CDL Doubles/Triples endorsement. Drivers must strictly adhere to weight limits for double/triple trailers. They must also ensure proper coupling and uncoupling procedures, inspect trailers, and manage safe driving conditions. Additionally, certain highways or roads may prohibit the use of double/triple trailers due to their size.
In Ohio, the maximum weight for a vehicle with a double trailer is 80,000 pounds and the maximum length is 75 feet. For triple trailers, the maximum weight is also 80,000 pounds, but the length can vary. However, triples are rarely used due to their size and are restricted on many highways. Always check with local regulations for specific restrictions.
Yes, Ohio has specific safety guidelines for driving double/triple trailers. Drivers must understand how to couple and uncouple correctly, and how to inspect their vehicles. They must also know how to manage the space around their vehicle, control speed, and maneuver in different situations. Following these guidelines helps ensure the safety of everyone on the road.