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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. If there is a sign indicating "Maximum Safe Speed", you should:
never exceed the speed shown.
consider it as a suggestion.
travel at the posted speed.
know that it doesn't apply to vehicles weighing more than 26,000 pounds.
2. A cardboard box on the road:
is likely to be empty and should not be considered a hazard.
may contain some solid material capable of causing damage.
will never damage vehicle parts if driven over.
should always be driven over to avoid sudden direction changes.
3. To avoid becoming distracted while driving, you should:
clear the vehicle of any unnecessary objects.
adjust all vehicle controls and mirrors prior to driving.
plan your route before you begin driving.
All of the above.
4. A driver distraction is anything that takes your attention away from driving, such as:
adjusting the radio.
All of the above.
5. When driving a double or triple, you should:
decrease your following distance.
increase your following distance.
drive with emergency flashers on.
drive in the left lane whenever possible.
6. Objects that have fallen on the road:
can damage electrical and brake lines.
can be hazards.
can be a danger to your tires and wheel rims.
All of the above.
7. B:C type fire extinguishers are suitable for dealing with:
electrical fires and burning liquids.
tire fires.
cloth and paper fires.
wood fires.
8. To avoid being blinded by the high beams of an oncoming vehicle:
look at the right side of the road.
watch the sidelines when someone coming toward you has very bright lights on.
don't look directly at bright lights when driving.
All of the above.
9. When you leave your vehicle you should:
leave the key in the ignition.
apply the service brake.
release the parking brake.
None of the above.
10. An alcohol evaporator is important during:
dry weather.
windy weather.
cold weather.
hot weather.
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CDL Knowledge Test MS

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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