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Wisconsin CDL Permit Test - Knowledge Test Class A

Number of questions: 50
Passing score: 40
Directions: This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the Wisconsin Commercial Driver’s Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
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Passing grade —
10 or fewer errors
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8.
To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:
Set the control to normal.
Set the control to the off position.
Set the control to the neutral position.
9.
What do air brakes use to make the brakes work?
Compressed air
Outside air
Non-compressed air
10.
When taking the on-road driving skills test, you will be evaluated on your gear usage. You should not:
Avoid grinding or clashing gears.
Select a gear that does not rev the engine.
Forget to shift through an intersection.
Shift while taking a turn.
11.
Drivers trapped behind a slow-moving vehicle often:
Follow the vehicle too closely.
Allow the vehicle plenty of space.
Are happy with the speed of travel.
12.
How does doubling your speed from 20 mph to 40 mph affect your vehicle's braking distance?
It stays about the same.
It increases slightly.
It doubles.
It quadruples.
13.
Dry bulk tanks require special care because:
They have low centers of gravity.
They have high centers of gravity.
Loads are usually stable.
They are usually overloaded.
14.
While driving, if you notice anything affecting safety or mechanics, you should:
Stay quiet and see if the problem goes away.
Make a written report that includes your concerns.
Try to fix the issue yourself.
Not use that part of the vehicle and hope others don't notice the problem.
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