Air Brakes #2
Air Brakes Endorsement Test | Mississippi 2024 #2 Page 3 of 4
Train for FREE online with our Mississippi 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 MS Class A/Class B driver license in 2024, 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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13 . Truck tractors with air brakes that were built on or after March 1, 1997 are equipped with:
Anti-Lock Braking Systems (ABS).
Truck tractors with air brakes that were manufactured on or after March 1, 1997 are required to be equipped with Anti-Lock Braking Systems (ABS). ABS is required in any other type of vehicle with air brakes that was manufactured on or after March 1, 1998.
14 . Most heavy-duty vehicles use:
Quadruple air brake systems.
Most heavy-duty vehicles use dual air brake systems, in which there are two separate braking systems operated by a single set of controls. Each system operates the brakes on different axles.
15 . Lights that indicate that anti-lock brakes are not working are:
Vehicles equipped with Anti-Lock Braking Systems (ABS) have yellow malfunction lights to indicate issues in the braking system.
16 . What happens if the air pressure in a system's air tanks falls below 60 psi?
The vehicle should stop.
In an air brake system, a low pressure warning signal should activate if the pressure in the air tanks falls to a level below 60 psi. This signal may be in the form of a warning light or a wig wag.
17 . What do anti-lock brakes do?
Prevent a vehicle from accelerating while traveling downhill
The function of an Anti-Lock Braking System (ABS) is to prevent the vehicle's wheels from locking up from hard brake application.
18 . Failing to drain air tanks could result in:
In an air brake system, the air tanks must be periodically drained to remove accumulations of water and compressor oil. If water is not removed, it could freeze in cold weather and cause brake failure.
2024 Mississippi | Frequently Asked Questions
A CDL Class B license in Mississippi allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or any such vehicle towing another not exceeding 10,000 pounds. This includes buses, farm labor vehicles, and any vehicle designed to transport 16 or more passengers (including the driver).
A Class B CDL license in Mississippi permits the operation of single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, or a vehicle towing another not exceeding 10,000 pounds. This includes straight trucks, large buses, segmented buses, box trucks (like delivery drivers and couriers), and dump trucks with small trailers.
To acquire a Class B CDL license in Mississippi, you must be at least 18 years old (21 for interstate driving), have a valid Mississippi driver's license, pass a vision exam, and successfully complete a general knowledge test. You'll also need to pass a skills test, which includes vehicle inspection, basic controls, and on-road driving. Finally, you must pass any relevant endorsement tests.
In Mississippi, you must be at least 18 years old to qualify for a Class B Commercial Driver's License (CDL) for intrastate operation (within Mississippi only). However, to operate a commercial vehicle across state lines (interstate operation), you must be at least 21 years old.
While not necessary for a basic Class B CDL, endorsements can expand the types of vehicles you may drive or the cargo you can carry. Endorsements include passenger (P), school bus (S), tanker (N), hazardous materials (H), and a combination of tanker and hazardous materials (X). Each endorsement requires passing specific tests.
The Class B CDL skills assessment in Mississippi encompasses three parts: pre-trip inspection, basic vehicle control, and on-road driving. The pre-trip inspection tests your knowledge on vehicle safety. Basic vehicle control evaluates your ability to maneuver the vehicle. On-road driving tests your skills in traffic situations, including left and right turns, intersections, railway crossings, and various types of lanes.
Class B CDL license holders in Mississippi are limited to driving single vehicles with a gross vehicle weight rating (GVWR) of 26,001 lbs or more, or towing a vehicle not exceeding 10,000 lbs GVWR. They can't operate Class A vehicles unless they upgrade their license. They're also restricted from driving vehicles requiring specific endorsements unless they've passed the necessary tests.
In Mississippi, the Class B CDL written test is typically offered in English. However, some locations may offer the test in Spanish. It's best to check with the specific testing location to confirm language options. It's important to note that all drivers must understand English to some degree, as federal law requires it for road communication.
Yes, you can request accommodations for the Class B CDL written exam if you have a disability. The Mississippi Department of Public Safety works to ensure all applicants have equal access to the testing process. It's essential to make your request well in advance of your test date to allow time for arrangements to be made.
If you don't pass the Class B CDL written test in Mississippi, you can retake it. However, you must wait at least one day before retaking the exam. There may be additional fees for each retest. It's recommended to study the CDL manual thoroughly before attempting the test again.