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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 passing a vehicle, you should NOT:
at night, flash your lights from low to high beam and back.
drive carefully enough to avoid an accident.
keep blowing your horn while passing.
assume the other driver does not see you.
2. Poor weight balance:
makes it easier to turn.
can make vehicle handling more difficult.
improves handling.
increases fuel efficiency.
3. Longer combination vehicles have the tendency to swing wide on turns. This is called:
4. Which of the following statements is true?
The heights posted at bridges and overpasses are always correct.
An empty van is lower than a loaded one.
The weight of a cargo van changes its height.
The weight of a cargo van does not change its height.
5. In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
Steepness of the grade
Road conditions
Your schedule
6. When steering to avoid a crash, you should:
accelerate and steer at the same time.
not turn any more than needed to clear the hazard.
lock your wheels while turning.
apply the brake while you are turning.
7. When driving on slippery surfaces, you should:
change lanes often.
make turns as quickly as possible.
not pass slower vehicles unless necessary.
All of the above.
8. Placards are:
signs put on the outside of a vehicle that identify the hazard class of the cargo.
signs put on the inside of a vehicle that remind the driver of the type of cargo he or she is carrying.
used to warn others when the Gross Vehicle Weight (GVW) exceeds 10,000 pounds.
signs that warn others to stay at least 500 feet away from the vehicle.
9. Vehicles must be equipped with emergency equipment, including:
first-aid kit
automatic transmission fluid
warning devices for parked vehicles
circuit breakers
10. Obstacles on the roadway that appear to the harmless:
never contain material capable of causing damage.
can be dangerous.
should be driven over.
None of the above.
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FL CDL Practice Test

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