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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.
When starting your vehicle, oil pressure should come up to normal:
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in about two minutes.
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within 5 minutes of driving.
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in about a minute.
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within seconds.
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2.
Which of the following is not a way to know when to change gears?
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Use road speed (mph)
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Watch your tachometer
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Check that the pressure gauge shows normal oil pressure
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Use engine speed (rpm)
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3.
When should you use the 4-way emergency flashers instead of flashing the brake lights to warn the drivers behind you?
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When visibility is poor.
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When driving in strong winds.
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At night time.
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When you are driving very slowly or are stopped.
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4.
An alcohol evaporator:
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to hold compressed air.
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protects the air brake system from too much pressure.
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used to reduce the chance of the front wheels skidding.
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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5.
To test for hydraulic leaks, you should:
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apply the brakes firmly using the brake pedal and check to see if the brake pedal returns to its normal position.
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keep the wheels locked up after you release the brakes.
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pump the brake pedal three times, then hold the pedal for five seconds. The pedal should not move.
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use the stab braking method, then re-apply the brakes as soon as you can.
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6.
Which of the following statements about using turn signals is true?
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You should use your turn signals when your vehicle is parked at the side of the road.
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To turn safely you must keep one hand on the wheel.
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To keep others from trying to pass you, you should signal just before you turn.
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None of the above.
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7.
How should you brake if your vehicle loses ABS?
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Brake as you always have.
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Pump the brake repeatedly
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Stay off the Brake
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Step on and off the brake pedal several times
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8.
After a trip:
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you should replace the battery.
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you should inspect the vehicle.
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you should place the vehicle out of service.
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you should get the oil changed.
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9.
If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
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5 seconds
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2 seconds
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4 seconds
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3 seconds
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10.
What is the minimum number of tie-downs for a 20 foot load?
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2
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1
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3
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4
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