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CDL GENERAL KNOWLEDGE TEST (MS) - PRACTICE TEST

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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. In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
Steepness of the grade
Weather
Your schedule
Road conditions
2. The law requires __________ to inspect a commercial motor vehicle before a trip.
a qualified testing engineer
a qualified inspection technician
the driver
the owner
3. If you smell exhaust fumes in the cab, you should:
stop immediately.
remember to conduct a post-trip inspection.
open the windows.
wait for the next stop, then inspect your vehicle.
4. If your brakes get wet, it can cause them:
to apply unevenly.
to grab.
to be weak.
All of the above.
5. What is countersteering?
Driving too fast for conditions.
Staying off the brake while steering to the right to avoid an accident.
Locking your wheels while turning in an emergency situation.
Turning the steering wheel quickly the other way after steering in an emergency situation.
6. The only way to stop a front-wheel skid is to:
supply more power to the drive wheels.
countersteer.
let the vehicle slow down.
All of the above.
7. To avoid blinding other drivers, you should dim within ____ of an oncoming vehicle.
250 feet
1000 feet
100 feet
500 feet
8. You must have at least ________ tread depth on tires other than front tires.
4/16 inch
2/32 inch
4/32 inch
8/32 inch
9. Which of the following is a common cause of fire?
Under-inflated tires and duals that touch.
Short circuits due to loose connections.
Improperly sealed cargo.
All of the above.
10. Hydroplaning is most likely to occur:
at speeds below 30 mph.
right before it starts to rain.
right after it starts to rain.
when it's been raining for over an hour.
 
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MS CDL Knowledge Test

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