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The CDL general knowledge test is required to be taken by all CDL applicants. The Florida 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 Florida 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 FL 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 your drive wheels have poor traction, you should:
turn the retarder off.
turn the retarder on.
only use the retarder on the front wheels.
only use the retarder on the rear wheels.
2. When crossing or entering traffic with a heavy vehicle:
you should allow more room if your vehicle is not loaded.
you may need a much larger gap to enter traffic than you would in a car.
you can count on other drivers to move out of your way so you can safely enter the flow of traffic.
None of the above.
3. When driving at night, you should dim your lights within _____ of an oncoming vehicle and when following another vehicle within _____ .
300 feet ; 50 feet
200 feet ; 100 feet
200 feet ; 200 feet
500 feet ; 500 feet
4. When transporting cargo, drivers:
must inspect the securement of the cargo within the first 50 miles of a trip.
should not inspect the cargo within the first 50 miles of a trip.
should inspect the securement of the cargo only if they see problems that could cause a crash.
must inspect the securement of the cargo within the first 150 miles of a trip.
5. Hydroplaning occurs when:
tires lose traction.
tire pressure is high.
you push in the clutch to let the drive wheels turn freely.
you release the accelerator too soon.
6. Broken suspension parts:
hold up the vehicle and its load and keep the axles in place.
can be extremely dangerous.
should not be a concern unless you are driving on steep grades.
All of the above.
7. When backing, it is best to:
use only the passenger's side mirror.
use a helper whenever possible.
back toward the passenger's side when possible.
try to back in the direction of the drift.
8. The most important reason for doing a vehicle inspection is:
Property damage requirements
Liability insurance
Employer liability
9. When driving in work zones you should:
Use your four-way flashers or brake lights to warn drivers behind you.
Drive slowly and carefully.
Observe the posted speed limits at all times.
All of the above.
10. If your trailer starts to skid, you should:
release the brakes.
pump the brakes.
steer in the opposite direction.
lock the brakes.
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Number of questions: 50
Correct answers to pass:40
Passing score:80%
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