Air Brakes #2

FREE Air Brakes Endorsement Test Online | North Carolina 2024

Train for FREE online with our North Carolina 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 NC Class A/Class B driver license in 2021, practice as much as..

Train for FREE online with our North Carolina 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 NC 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 . To confirm that a trailer has ABS, you can:

Remove a tire and look for the ABS sensor on the axle. If you are unsure if a trailer is equipped with an Anti-Lock Braking System (ABS), look under the vehicle for the electronic control unit and wheel speed sensor wires coming from the back of the brakes.

2 . The air pressure in a dual air brake system should build from 85 to 100 psi within:

45 seconds. When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.

3 . A wig wag is:

Vehicles with air brakes are required to be equipped with a low pressure warning device. A wig wag is a type of low air pressure warning device. This device drops a mechanical arm into the driver's view if the pressure in the tanks drops to a level between 55 and 75 psi.

4 . An emergency brake must be controlled by:

All trucks, truck tractors, and buses must be equipped with emergency brakes and parking brakes. Because air pressure can eventually leak away, emergency and parking brakes should be held on by mechanical force.

5 . Brake fading is caused when:

Brakes are wet. Using the brakes excessively will cause them to overheat, making them less effective. This is referred to as "fading."

6 . Which of the following is not a part of an air brake system?

An axle brake system Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system.

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2024 North Carolina | Frequently Asked Questions

A CDL Class B license in North Carolina permits the holder to operate commercial vehicles weighing more than 26,000 pounds and towing vehicles not exceeding 10,000 pounds. This includes buses, farm labor vehicles, and any vehicle designed to transport 24 passengers or more, including the driver. Endorsements may be required for certain vehicles.
A Class B CDL license in North Carolina allows you to operate single or combination vehicles where the single vehicle weighs over 26,000 pounds. This includes straight trucks, large buses, segmented buses, box trucks, dump trucks with small trailers, and any vehicle designed to transport 24 passengers or more including the driver.
To acquire a Class B CDL license in North Carolina, you must be at least 18 years old (21 for interstate driving), possess a valid North Carolina driver's license, pass a DOT medical examination, successfully complete the CDL general knowledge test, and pass the skills test in the type of vehicle you plan to drive. A clean driving record is also essential.
In North Carolina, to qualify for a Class B CDL license, you must be at least 18 years old for intrastate transportation (within state lines) and at least 21 years old for interstate transportation (across state lines). Additionally, you must pass a medical examination and have a clean driving record.
Specific endorsements aren't necessary for a Class B CDL license in North Carolina but may be required based on the type of vehicle you plan to drive or cargo you're transporting. For example, you'd need a Passenger (P) endorsement to drive a bus or a Hazardous Materials (H) endorsement to transport HazMat. Each endorsement requires additional testing.
The Class B CDL skills assessment in North Carolina includes a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving test. You'll need to demonstrate your ability to inspect your vehicle, control it in different situations, and drive it safely on the road, following all traffic rules and regulations.
Yes, Class B CDL license holders in North Carolina are limited to operating vehicles with a GVWR of 26,001 pounds or more, or any such vehicle towing a vehicle not in excess of 10,000 pounds GVWR. They can't drive a combination of vehicles (like a tractor-trailer) that would require a Class A CDL. Also, additional endorsements may be needed for certain types of vehicles or cargo.
No, North Carolina does not offer the written Class B CDL test in languages other than English. This is due to Federal Motor Carrier Safety Regulations which require drivers 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 in North Carolina due to disability. The Division of Motor Vehicles is committed to ensuring that its services are accessible. However, you must provide proper documentation of your disability and specify the type of accommodation needed. Contact your local DMV office for detailed information.
Yes, if you fail the Class B CDL written test in North Carolina, you can retake it. However, you must wait at least 5 days between attempts. There is no limit to the number of times you can retake the test, but each attempt requires a new fee. It's recommended to study thoroughly before retaking the test.

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