CDL PRACTICE TEST - GENERAL KNOWLEDGE (MINNESOTA)

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The CDL general knowledge test is required to be taken by all CDL applicants. The Minnesota 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 Minnesota 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 MN 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. After starting the engine, the ABS light stays on. This means:
the ABS is working properly.
the ABS is not working properly.
the ABS oil level is not adequate.
the ABS is in Neutral.
2. Under-loaded front axles can:
cause poor traction.
cause the drive wheels to spin easily.
make the steering axle weight too light to steer safely.
All of the above.
3. If you are stopped on an incline, how can you start moving without rolling back?
Aggressively pump the accelerator
Shift to neutral
Fully engage the clutch
Apply the parking brake
4. Which of the following is not a braking system on a truck?
Emergency brake
Steering brake
Service brake
Parking brake
5. You should check air pressure and temperature gauges:
at the beginning of each trip.
as often as is practical.
at the end of each trip.
every time you stop.
6. If ABS is not working, you should:
brake as you always have.
use the parking brake.
slow down and use a lower gear.
put on your 4-way emergency flashers.
7. Why should you back toward the driver's side?
Backing toward the right side is dangerous.
You can watch the rear of your vehicle by looking out the side window.
You can see better.
All of the above.
8. If you're feeling tired while driving you should:
stop driving and get some rest.
increase your speed to get to your destination quicker.
eat something.
drink coffee.
9. When driving in extremely hot weather, if the air pressure in the tires is too high, you should:
stop and remain stopped until the tires cool off.
continue driving.
let air out of the tires to decrease pressure.
call your supervisor.
10. The center of gravity of a trailer should be:
as high as possible.
as low as possible.
at the rear of the trailer.
at the front of the trailer.
 
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MN CDL Knowledge Test

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