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The CDL general knowledge test is required to be taken by all CDL applicants. The Wisconsin 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 Wisconsin 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 WI 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 preparing to make a right turn, you should NOT turn wide to the left as you start the turn. Why?
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A following driver may try to pass you on the left.
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A following driver may try to pass you on the right.
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It makes the turn harder.
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Turning wide to the left can cause your vehicle to tilt.
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2.
There are two ways of knowing when to shift up:
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Weather conditions and road speed.
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Engine speed and weather conditions.
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Automatic transmissions and shift indicator light.
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Engine speed and road speed
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3.
What is Gross Vehicle Weight (GVW)?
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A vehicle's maximum weight rating, specified by its manufacturer.
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The total weight of a single vehicle including its cargo.
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The total weight of a vehicle, including that of any trailers.
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None of the above.
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4.
Hydroplaning:
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is more likely when tire pressure is low.
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is more likely to occur when tire tread is in good condition.
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causes your vehicle to go faster.
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only occurs at speeds above 55 mph.
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5.
When a combination vehicle goes around a corner:
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the front and rear wheels follow a different path.
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the driver must keep the rear of your vehicle far away from the curb.
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the rear wheels of the trailer will never off-track.
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All of the above.
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6.
When using a fire extinguisher on a fire, you should:
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stay as far away from the fire as possible.
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aim the extinguisher at the top of the fire.
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get as close to the fire as possible.
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All of the above.
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7.
To prevent drowsiness before a trip, you should:
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consult your physician if you suffer from daytime sleepiness.
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schedule trips for the hours you are normally awake.
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drive with a passenger.
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All of the above.
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8.
Black ice is:
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wet ice.
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a thin layer of ice clear enough that you can see the road underneath it.
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rain and snow mixed.
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dirty snow.
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9.
_________ helps coordinate emergency response to chemical hazards.
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The National Prevention Network
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The National Chemical Network
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The National Response Center
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The Federal Transportation Organization
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10.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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for 3 days
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for one stop
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for one day
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several times
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