Knowledge Test Class B #1
Class B Driving Test | Mississippi 2025 #1 Page 6 of 7
Train for FREE online with our Mississippi class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.
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36 . When the brake pedal is depressed, air brakes work:
Only if the green lever on the control panel is pushed down.
After the brake pedal is pushed down in a vehicle with air brakes, it takes a half-second or more for air to flow through the lines and make the brakes work. This contrasts with hydraulic brakes used in cars and light and medium trucks, which instantly begin working when the pedal is pushed.
37 . When checking the springs during a vehicle inspection, do all of the following, except:
Glue cracked leaf springs.
When checking the springs as part of the vehicle inspection test, you should look for missing, shifted, cracked, or broken leaf springs, as well as broken or distorted coil springs. If the vehicle is equipped with torsion bars, torque arms, or other types of suspension components, ensure that they are not damaged and are mounted securely.
38 . With the exception of the straight line backing exercise, a driver may exit their vehicle and check its position during testing exercises up to:
A driver is allowed to exit their vehicle to check its position during any basic vehicle control skills test exercise. This action is called a "look." During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.
39 . What color malfunction lamps do vehicles equipped with ABS have?
Anti-Lock Braking System (ABS) malfunction lamps are usually yellow. Even if the ABS isn't working properly, a driver will still have access to the vehicle's usual braking functions.
40 . Of the following, which is the most slippery surface?
Ice becomes wet when the weather is just warm enough to melt the ice slightly. Wet ice is much more slippery than ice that is not wet.
41 . You may:
A person cannot have more than one driver license at a time. States share information through a computer database to ensure that no person has more than one license. Violation of this law could result in fines or jail time.
42 . When approaching an active railroad crossing:
There will always be flashing warning lights.
At a railroad crossing, do not assume that you will hear an approaching train. Trains may be prohibited from sounding their horns in certain areas, or the sound of its horn may be covered by noise from your vehicle. Do not assume that warning lights or other signals will announce a train.
See the exact questions that will be on the 2025 Mississippi DMV exam.
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Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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2025 Mississippi | Frequently Asked Questions
A CDL Class A license in Mississippi allows the holder to operate any combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is over 10,000 pounds. This typically includes tractor-trailer combinations.
A Class A CDL license in Mississippi permits the operation of vehicles such as tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. Basically, it covers any combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more if the towed vehicle is over 10,000 pounds.
To obtain a Class A CDL in Mississippi, you must be at least 21 years old (18 for intrastate travel), possess a valid Mississippi driver's license, pass a vision test, and complete a written knowledge exam. You'll also need to pass skills tests in a vehicle representative of the class you're applying for, and meet medical requirements.
In Mississippi, you must be at least 21 years old to qualify for a Class A CDL license for interstate driving. However, you can be 18 years old to apply for a CDL for intrastate driving, which limits you to driving within the state of Mississippi only.
Endorsements aren't required for a Class A CDL license, however, they can enhance your license. They allow you to drive specific types of vehicles like tank vehicles, passenger vehicles, school buses or transport hazardous materials. To get an endorsement, you must pass additional written and skills tests related to the specific type of vehicle.
The Class A CDL skills test in Mississippi encompasses three sections: a pre-trip vehicle inspection, a basic vehicle control test, and an on-road driving test. These tests evaluate your ability to inspect your vehicle before the trip, control the vehicle during typical maneuvers, and drive safely in various road and traffic conditions.
Yes, there are limitations. Class A CDL license holders in Mississippi may be restricted based on the type of vehicle they tested in. For instance, if the test was taken in an automatic vehicle, they can't drive a manual truck. Other limitations could be related to air brakes, passengers, tank vehicles, and hazardous materials.
In Mississippi, the written Class A CDL test is generally conducted in English. However, some states may offer the test in Spanish. Non-English speakers can usually use a dictionary or bring an interpreter. It's important to check with the local DMV office for specific language accommodations. Remember, federal regulations require all CDL holders to read and speak English.
Yes, you can request accommodations for the Class A CDL written test if you have a disability. Mississippi's Department of Public Safety works to ensure accessibility for all test-takers. Accommodations may include extra time, a separate testing room, or assistive technology. You should contact your local testing center in advance to discuss your needs and arrange accommodations.
Yes, if you don't pass the Class A CDL written test in Mississippi, you can retake it. However, you may have to wait a specified period before you can reattempt it. It's also likely that you'll have to pay a retesting fee. Check with the Mississippi Department of Public Safety for specific rules and regulations regarding retakes.
