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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. Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
25 psi
75 psi
50 psi
100 psi
2. When driving, you should check your mirrors:
every 10 seconds.
every 4 seconds.
only when there may be a problem.
3. With an engine fire, you should NOT:
open the hood.
turn the engine off as soon as possible.
shoot foam from the vehicle’s underside.
None of the above.
4. What should you look for when checking tires?
Fabric showing through the tread or sidewall
Cracked valve stems
All of the above
5. When driving at night, you should dim your lights within ______ of an oncoming vehicle.
500 feet.
400 feet.
300 feet.
250 feet.
6. When the road is very slippery, you should:
use the parking brake instead of the service brake.
stop at the first safe place.
downshift to stop.
apply the brakes often to keep the linings dry.
7. The ABS malfunction lamp on the instrument panel is:
8. If you see a hazard ahead, you should:
call the emergency services.
think about the emergencies that could develop and be prepared to take action.
come to a complete stop when safe to do so.
none of the above.
9. The size of motorcycles can cause you to misjudge their speed and distance. You should:
never share lanes with motorcycles.
check twice for motorcycles before pulling out into traffic.
use extra caution before you pull out in front of a motorcycle.
All of the above.
10. ABS:
allows the wheels to lock up.
makes it easier to turn.
helps you avoid wheel lock up.
makes it easier to break.
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GA CDL Practice Test

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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