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Minnesota CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has two, three or four possible answer choices. Test questions come from the Minnesota Commercial Driver’s Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
You have made error so far
Passing grade —
10 or fewer errors
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1.
Which part of the truck is the air compressor connected to?
The transmission
The engine
The radiator
The door latch
2.
Convex mirrors:
Cannot be used on vehicles transporting hazardous materials.
Are illegal in most states.
Can help drivers see a larger area.
3.
If driving so slowly that you could impede other drivers, you should:
Stay in the left lane.
Drive while using your four-way flashers.
Wave an arm out the window.
4.
Drivers often tailgate trucks in bad weather.
True
False
5.
Which of the following can help you determine when to upshift?
Road speed
Engine speed
Both of the above
None of the above
6.
Air brakes use ____ to function.
Compressed air
Liquid nitrogen
Carbon dioxide
7.
Placards should be used:
Any time a vehicle is carrying hazardous materials.
If there is open space in the truck.
If the amount of hazardous materials in the truck exceeds 200 pounds.
If the hazardous materials create an inhalation hazard.
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