Knowledge Test Class B #1
Class B Driving Test | Mississippi 2026 #1 Page 7 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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43 . In a vehicle with dual air brakes, a leak in one system ____ the second system.
A dual air brake system is made up of two separate air brake systems. If there is an air leak in one system, it may not affect the other.
44 . If you don't know if there is enough space for your vehicle to pass under a bridge, you should:
Drive on the shoulder.
If you can't tell if your vehicle will have room to fit under a bridge or other overhead object, you should slow down and find an alternate route, if possible.
45 . ____ is a thin layer of ice that forms on road surfaces.
Blue ice
Black ice is a layer of ice that is thin and clear enough for the road to be visible through it. This makes the road look as if it is merely wet.
46 . Why should the steps of a pre-trip inspection be done in the same order each time?
Pre-trip inspections should be conducted in the same way every time. This will reinforce the steps, making it less likely that you will forget to inspect something important.
47 . The parking brake should be:
Used to stop the vehicle in normal driving.
The parking brake should be applied every time you park your vehicle.
48 . What should happen if the air pressure in the air brake system tanks falls below 60 psi?
The vehicle should stop.
On vehicles with air brakes, a low air pressure warning signal will come on if the pressure in the air tanks falls below 60 psi. On large buses, the signal may activate at 80 to 85 psi.
49 . When pulled over to the side of the road, you should:
When stopped on the side of the road, be sure to turn on your vehicle's four-way emergency flashers, especially during times of lowered visibility. Place warning devices within 10 minutes of being stopped.
50 . When entering fog, you should:
Slow down.
If at all possible, it is best to avoid driving in fog. However, if you must drive through fog, slow down before reaching it.
2026 Mississippi | Frequently Asked Questions
To acquire a CDL Passenger endorsement in Mississippi, you must first have a valid Mississippi CDL. Next, pass the Passenger Transport Test. If you plan to drive a vehicle designed to carry 16 or more passengers, including the driver, you must also pass the Skills Test in a vehicle representative of that class. Please check with Mississippi Department of Public Safety for any additional requirements.
To obtain a CDL Passenger license in Mississippi, you must first hold a valid Commercial Driver's License (CDL). You must then pass the Passenger endorsement knowledge test, which covers topics such as vehicle inspection, passenger loading/unloading, and emergency procedures. Additionally, you must be at least 21 years old and have a clean driving record.
While Mississippi doesn't mandate specific training to secure a CDL Passenger endorsement, it's beneficial. Training can help you pass the written and skills tests. Experience driving similar vehicles is also useful. However, the key requirement is passing the Passenger Transport Test and, for vehicles designed for 16+ passengers, the Skills Test. Always check with the Mississippi Department of Public Safety for updates.
Yes, to get a CDL Passenger endorsement in Mississippi, you are required to pass the Passenger Transport Test. This is a written test that covers specific rules and regulations related to transporting passengers. If you plan on driving a vehicle designed for 16 or more passengers, you'll also need to pass a Skills Test in an appropriate vehicle.
During the CDL Passenger endorsement skills test in Mississippi, you'll need to demonstrate your ability to safely load and unload passengers, respond to emergency situations, conduct pre-trip vehicle inspections, operate the vehicle safely, and execute proper use of mirrors and safe lane changes. You'll also need to show a good understanding of brake usage and vehicle speed control.
No, in Mississippi and throughout the U.S., you cannot legally transport passengers in a commercial vehicle without a valid CDL Passenger endorsement. This endorsement is required for drivers of vehicles designed to carry 16 or more passengers, including the driver. Driving without it can result in serious penalties.
Yes, you can add a CDL Passenger endorsement to your existing commercial driver's license in Mississippi. You don't need a new application for the whole license, but you will have to apply for the endorsement specifically, pass the required tests, and pay an additional fee. The endorsement will then be added to your existing CDL.
Yes, drivers with a CDL Passenger endorsement in Mississippi must adhere to specific regulations. They cannot operate a vehicle that is under recall, they must ensure all passengers are wearing seat belts, and they cannot use handheld devices while driving. Additionally, they must comply with hours-of-service regulations to prevent fatigue-related accidents. Any violation of these rules may result in penalties or loss of endorsement.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Mississippi. You must be at least 21 years old to drive a commercial vehicle across state lines (interstate commerce) or to transport hazardous materials. However, if you're only driving within Mississippi (intrastate commerce), you may be able to get a CDL at 18 years old.
With a CDL Passenger endorsement in Mississippi, you're eligible to operate a variety of commercial passenger vehicles. These include buses, shuttle vans, and other vehicles designed to transport 16 or more passengers, including the driver. This endorsement also allows you to drive school buses, provided you also have a School Bus (S) endorsement.