Knowledge Test Class B #1
Class B Driving Test | Mississippi 2026 #1 Page 3 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.
50
40
20
15 . Some air brake systems use alcohol:
To reduce the risk of rust forming on air brake valves.
Some air brake systems contain an alcohol evaporator. This device introduces alcohol into the braking system to inhibit the formation of ice.
16 . When making a tight maneuver, you should:
Rely only on your mirrors.
Make a point of checking your mirrors often when making tight maneuvers.
17 . If involved in a crash, basic procedures should include all of the following, except:
Driving away without stopping.
If you are involved in a crash, the three basic things you need to do are protect the area, notify the proper authorities, and care for anyone injured. It is important to protect the accident site immediately after the accident occurs to help prevent another crash from happening in the same location.
18 . How much water must be present for a vehicle to hydroplane?
None
Hydroplaning is a phenomenon during which a vehicle's tires lose traction with the road surface and begin to glide along on water on the road. There does not have to be a large amount of water on the road for this to occur.
19 . While driving, gauges are:
While driving, you should watch your vehicle's gauges for signs of trouble. Be sure to inspect your gauges before beginning a trip to ensure that they are in proper working order.
20 . How can you check hydraulic brakes?
Check hydraulic brakes by pumping the brake pedal three times before applying firm pressure to the pedal for five seconds. The pedal should not move. If it does, there may be a leak or some other problem in the braking system.
21 . If the low pressure warning light comes on while you are driving:
You should continue driving, but turn the emergency flashers on to warn other motorists.
If the low air pressure warning light turns on, you should stop and safely park your vehicle as soon as possible. Controlled braking will be possible only as long as enough air remains in the tanks.
See the exact questions that will be on the 2026 Mississippi DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
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.
