WISCONSIN CDL PRACTICE TEST - GENERAL KNOWLEDGE

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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. Which of these statements is correct?
Loose cargo that falls off a vehicle can cause traffic problems.
Loose cargo can hurt the driver during a quick stop.
Others could be hurt or killed by cargo that falls off a vehicle.
All of the above.
2. When inspecting the cargo, make sure it is:
not overloaded.
secured properly for the first 50 miles after beginning a trip.
piled up.
All of the above.
3. The best time to take a short break is:
when you feel you can't go any further without one.
at regular intervals.
before you feel you need it.
when you start to feel drowsy.
4. If are being followed closely, you should:
flash your brake lights.
change lanes quickly.
increase your following distance.
decrease your following distance.
5. Antifreeze:
helps the engine only under hot conditions.
doesn't help the engine in any way.
helps the engine only when the temperature is below freezing.
helps the engine under hot conditions as well as cold conditions.
6. The use of brakes on a steep downgrade is:
a supplement to the braking effect of the engine.
much more effective than the engine braking effect.
the main braking factor.
dangerous, and should be avoided at all costs.
7. The Johnson bar is a valve that:
is installed in the first tank the air compressor pumps air to.
keeps air from going out if the air compressor develops a leak.
works the trailer brakes.
reduces the braking pressure to a safe level.
8. _______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
Perception distance
Total stopping distance
Reaction distance
Braking distance
9. When stopping at the scene of an accident, you should NOT:
set out reflective triangles.
put on your 4-way emergency flashers.
notify authorities.
report any qualified person who is at the accident and helping the injured.
10. Which of the following may have reduced the clearances since the heights were posted at bridges and overpasses?
The weight of a cargo
Repaving of the road
Traffic
Rain
 
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WI CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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