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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.
To use road speed to know when to switch gears you should:
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watch your tachometer, and shift up when your engine reaches the top of the range.
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learn what speeds each gear is good for.
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learn the operating rpm range of your vehicle.
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use the posted speed limit as a guide.
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2.
If you have to drive off the road, you should:
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brake as hard as you can to maintain control.
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fully apply the brakes until your speed has dropped to about 20 mph.
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leave the road completely.
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keep one set of wheels on the pavement, if possible.
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3.
Tar in the road pavement:
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frequently rises to the surface in very hot weather.
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does not affect the road surface.
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can slow down your vehicle.
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increases the ability to maintain traction on a vehicle.
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4.
When a tire fails, the driver should:
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drive on the shoulder.
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immediately apply the brakes.
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stay off the brake.
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swerve to the right.
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5.
On front tires, tread should be at least:
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4/32 inch
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1/16 inch
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4/16 inch
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2/32 inch
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6.
When you take a break in the middle of your trip, you should check:
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tires, brakes, lights and cargo securement devices.
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missing exhaust pipes.
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heater, defroster and windshield wiper blades.
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gauges for signs of trouble.
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7.
When driving on slippery surfaces, you should:
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change lanes often.
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make turns as quickly as possible.
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not pass slower vehicles unless necessary.
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All of the above.
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8.
When transporting cargo, drivers:
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must inspect the securement of the cargo within the first 150 miles of a trip.
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must inspect the securement of the cargo within the first 50 miles of a trip.
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should not inspect the cargo within the first 50 miles of a trip.
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should inspect the securement of the cargo only if they see problems that could cause a crash.
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9.
To maintain alertness while driving, you should:
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keep the cab warm.
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protect yourself from glare with sunglasses.
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take periodic breaks – about every 250 miles.
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rely on caffeine.
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10.
The best way to see the rear and sides of your vehicle is to:
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use your rear view camera.
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roll down your passenger-side window.
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roll down your driver's window.
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check your mirrors regularly.
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