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The CDL general knowledge test is required to be taken by all CDL applicants. The Georgia 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 Georgia 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 GA 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. To warn drivers behind you when you see you'll need to slow down, you should:
flash the brake lights.
sound your horn.
use your headlights.
turn off your lights.
2. A high center of gravity means:
you are more likely to tip over.
the spring brakes will come fully on.
a rollover is less likely.
you'll have better traction.
3. When going down a long downgrade, the speed of your vehicle will likely:
stay the same.
None of the above.
4. If a trailer does not have spring brakes, to keep the trailer from moving you should:
use the service brakes.
park on a slight decline.
use wheel chocks.
close the brake valve.
5. When you are driving very slowly you should:
stay in the left lane.
use the 4-way emergency flashers.
avoid braking.
not use any lights.
6. If confronted by an aggressive driver, you should:
try to stay in front of them.
make gestures.
ignore gestures
react to gestures.
7. When checking the engine compartment:
wheels should not be chocked.
the engine should be running.
you should put the gearshift in neutral.
the parking brake should be on.
8. The Gross Combination Weight (GCW) is:
the weight of the vehicle, trailer, and cargo.
the weight of the vehicle and its trailer(s).
the total weight of a single vehicle including its load.
the weight of the trailer and cargo.
9. Air storage tanks:
use parts of the service brake systems to stop the vehicle in a brake system failure.
pump air into the air storage tanks.
are installed in the first tank the air compressor pumps air to.
hold compressed air for the brakes.
10. If the road is icy, you should:
maintain your current speed and stop driving as soon as you can safely do so.
reduce speed to a crawl and stop driving as soon as you can safely do so.
put the transmission in neutral and stay off the brake until the vehicle has slowed down, then pull off the road and stop.
All of the above.
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CDL Knowledge Test GA

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