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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. How do you test hydraulic brakes for leaks?
Pump the brake pedal ten times and see if it holds.
Pull forward against parking brake to make sure the hydraulic brakes holds.
Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
None of the above.
2. If you find anything unsafe during the pre-trip inspection, you are required to:
write it in your inspection report.
get it fixed before driving.
inform your motor carrier after the trip.
drive cautiously until it is fixed.
3. For safety during a trip, you should:
check critical items when you stop.
watch gauges for signs of trouble.
use your senses to check for problems.
All of the above.
4. The best way to recover from a brake failure while going downhill is to:
use engine braking.
use the parking brake.
use the escape ramp.
be prepared to countersteer.
5. What is Gross Vehicle Weight Rating?
The value specified by the manufacturer as the loaded weight of a single vehicle
The total weight of a combination of vehicles excluding the load
The total weight of a combination of vehicles including the load
The total weight of a single vehicle, including its load
6. Which of the following is NOT a warning sign of fatigue?
Engaging in conversation with a passenger
Trouble keeping your head up
Yawning repeatedly
Trouble remembering the last few miles driven
7. During a walk around inspection, which of the following should you check?
Condition of the front axle.
Condition of wheel and rim.
Shock absorber condition.
All of the above.
8. Axle weight is:
the weight any axle or combination of axles transmits to the ground.
the loaded weight of a single vehicle.
the weight of one axle.
the maximum safe weight a tire can carry at a specified pressure.
9. Which of the following statements is true?
Under-inflated tires will NOT cause a vehicle fire.
Carrying a properly charged and rated fire extinguisher will help prevent fires.
Poor cargo ventilation is a common cause of fire.
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
10. Without engine oil:
traction will be reduced.
the ABS won't work.
the engine can be destroyed rapidly.
exhaust emissions will be reduced.
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GA CDL Knowledge 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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