Knowledge Test Class B #1
Class B Driving Test | Mississippi 2026 #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 2026, 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.
2026 Mississippi | Frequently Asked Questions
To acquire a CDL Tank endorsement in Mississippi, you need to pass the Tank Vehicles endorsement test. This test covers topics like inspecting tank vehicles, driving tank vehicles, and safe driving rules. You can prepare for the test by studying the Mississippi Commercial Driver's License Manual. After passing the test, you pay a fee to add the endorsement to your CDL.
To obtain a CDL Tank license, you must have a valid Commercial Driver's License (CDL). You then need to pass the Tank Vehicle endorsement test, which covers knowledge on inspecting and driving tank vehicles and adhering to safety rules. Studying the Mississippi CDL Manual can help prepare for the test. After passing, pay the required fee to add the endorsement.
While specific training or experience isn't mandatory to obtain a CDL Tank endorsement in Mississippi, it's beneficial to familiarize yourself with the operation of tank vehicles. Studying the Mississippi Commercial Driver’s License Manual, particularly the section on tank vehicles, is essential. Passing the Tank Vehicles endorsement test is required to get the endorsement.
Yes, to obtain a CDL Tank endorsement, you must pass the Tank Vehicle endorsement test. This written exam covers specific knowledge about tank vehicles, including inspecting and driving tank vehicles, and safe driving rules. The content of the test is based on the relevant sections of your state's CDL manual.
The written test for the CDL Tank endorsement covers various subjects related to tank vehicles. These include the need for special driving skills due to high center of gravity, inspecting tank vehicles, safe loading and unloading procedures, and understanding the behavior of liquids in motion. It also covers safety rules and regulations specific to tank vehicles.
The CDL Tank endorsement assessment primarily involves a written test, not a skills or maneuvers test. The written test examines knowledge of handling high center of gravity, inspecting tank vehicles, understanding the behavior of liquid surges, and loading/unloading procedures. However, the general CDL skills test includes maneuvers like backing, turning, and general vehicle control.
There aren't specific limitations for drivers with a CDL Tank endorsement, but they must comply with general CDL rules. This includes maintaining a clean driving record, not driving under the influence of alcohol or drugs, and following all traffic laws. Also, they must ensure the safe and proper operation of tank vehicles, including adhering to weight limits and safety regulations.
No, transporting liquid or gas materials in a tank truck requires a valid CDL with a Tank endorsement. It's a federal requirement to ensure the safety of the driver and the public. Without this endorsement, drivers are not legally permitted to transport liquid or gas materials in large quantities. Violating this rule can lead to serious penalties.
The CDL Tank endorsement can be added to your current Commercial Driver's License. You don't need a fresh application for a new license. However, you will need to pass the tank vehicle written test. Upon passing, the Tank endorsement will be added to your existing CDL. Always check with your local DMV office for state-specific procedures.
Yes, to transport hazardous materials with a CDL Tank endorsement, drivers must also obtain a Hazardous Materials (HazMat) endorsement. This requires passing a written test and a TSA background check. These regulations ensure the safe transport of hazardous materials and adherence to federal safety standards.