View instructions
The CDL general knowledge test is required to be taken by all CDL applicants. The Mississippi CDL test consists of 50 questions. To pass, you must correctly answer at least 40 questions (80%). The general knowledge test covers the contents of the Mississippi CDL Manual. All CDL applicants (Class A, B and C) must study the following sections: Driving Safely, Transporting Cargo Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Vehicle Inspection Test, Basic Control Skills Test, Road Test. In addition, the Class A CDL test will include questions based on the Combination Vehicles section. Take this CDL practice test now to prepare for the actual MS general knowledge test! To get your CDL, you must pass both the knowledge and skills tests. CDL knowledge tests include: General Knowledge, Passenger Transport, Air Brakes, Combination Vehicles, Hazardous Materials, Tanker Vehicles, Doubles/Triples, School Bus, Firefighter. Depending on what class of license (A, B or C) and endorsements you need, you must take one or more knowledge tests. A special endorsement is also required to drive certain types of vehicles. The following endorsements may be used with a Class A, B or C CDL: HazMat (H), Tank Vehicles (N), Tank Vehicles Transporting Hazardous Materials (X) and Passenger Transport (P). The School Bus endorsement (S) is only available for Class A or B CDL, and the Doubles/Triples endorsement (T) is only available for Class A driver's licenses.
1. To correct a drive-wheel braking skid, you should stop braking and:
keep your foot off the clutch.
pull of the road.
accelerate slightly.
2. To check the automatic transmission fluid:
you must go down grades.
the wheel nuts must be loose.
you should turn the engine off.
the engine may have to be running.
3. Doing a vehicle inspection is very important. Why?
A defect found during an inspection could save you problems later.
Not doing it could cost time and dollars, or even worse, an accident.
Federal and state regulations require that drivers inspect their vehicle.
All of the above.
4. Stopping distance can be affected by:
Reaction Distance
Perception Distance
All of the above.
5. Which of the following statements about using turn signals is true?
To keep others from trying to pass you, you should signal just before you turn.
To turn safely you must keep one hand on the wheel.
You should use your turn signals when your vehicle is parked at the side of the road.
None of the above.
6. Which of the following statements about engine overheating is true?
You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
Low speeds create more heat for the engine.
You should never shut off an overheated engine until it cools.
None of the above.
7. Tar in the road pavement often rises to the surface in very hot weather. Spots where the tar "bleeds":
will help you get better gas mileage.
are very slippery.
will cause your vehicle to slide back and forth.
have good traction.
8. During freezing weather, which area is most likely to be slippery after it rains?
Roads that look wet.
Shaded areas.
All of the above.
9. The first thing to do at an accident scene is to:
help any injured parties.
file an accident report.
call for assistance.
keep another accident from happening in the same spot.
10. To stay alert while driving, you should:
rely on caffeine.
never open the window or use the air conditioner.
avoid medications that can cause drowsiness.
All of the above.
Page 1 of 5
Next page


Number of questions: 50
Correct answers to pass:40
Passing score:80%
Share This Online CDL Test
Rate this CDL Test
4.5 out of 5
based on 113 votes