CDL GENERAL KNOWLEDGE TEST (MN) - PRACTICE TEST

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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. The air compressor is connected to:
the engine.
the transmission.
the radiator.
the suspension system.
2. Which of the following is true about curved mirrors?
In a curved mirror everything appears smaller than it would if you were looking at it directly.
They are illegal in most States.
In a curved mirror things seem closer than they really are.
None of the above.
3. When making a left turn at an intersection, you should:
reach the center of the intersection before you start the left turn.
always take the left turn lane if there are two turning lanes.
always use your horn.
start your turn before reaching the center of the intersection.
4. When driving in heavy rain, your brakes will get wet. Water in the brakes can cause:
wheel lockups.
lack of braking power.
the brakes to apply unevenly.
All of the above.
5. Which of the following statements about retarders is NOT correct?
You should turn the retarder off whenever the road is wet, icy, or snow covered.
Retarders help you avoid skids.
Retarders reduce reduce brake wear.
Retarders help slow a vehicle, reducing the need for using brakes.
6. ABS brakes help you:
avoid wheel lock up.
downshift before starting down a hill.
find an escape route when the service brakes fail.
lock up the wheels in an emergency stop.
7. Which of these statements is NOT true?
BAC measures the amount of alcohol in your body.
BAC is determined by the amount of alcohol you drink, how fast you drink, and your weight.
Alcohol doesn't affects judgment and self-control.
The liver can only process ⅓ an ounce of alcohol per hour.
8. The weight of a truck:
has no effect on stopping distance.
has an impact on stopping distance.
is not as important as the vehicle's center of gravity in determining stopping distance.
None of the above.
9. Serious traffic violations include:
driving a CMV without obtaining a CDL.
excessive speeding.
erratic lane changes.
All of the above.
10. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be restricted from operating vehicles with air brakes.
you will be required to take the tank vehicle test.
you will be required to operate a CMV without hydraulic brakes.
you will be required to operate vehicles with air brakes.
 
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MN CDL Knowledge Test

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