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The CDL general knowledge test is required to be taken by all CDL applicants. The Virginia 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 Virginia 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 VA 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. Most hydraulic brake failures occur for one of two reasons, one of which is:
loss of hydraulic pressure.
relying too much on the engine braking effect.
excessive downshifting.
2. Federal, State, and local regulations concerning commercial vehicle weight, securing cargo, and covering loads vary widely. You should obey:
Local regulations
Federal regulations
All of the above.
3. Driving while talking on a hands-free device:
can be distracting to the driver.
only distracts the driver if the driver is listening.
is not distracting to the driver.
4. What should you do to test your hydraulic brakes for leaks?
Hold the brake pedal down for five seconds, then pump it three times.
Pump the brake pedal five times, then apply pressure for three seconds.
Pump the brake pedal three times, then apply pressure to the pedal and hold for five seconds.
5. Poor weight balance:
improves handling.
increases fuel efficiency.
can make vehicle handling more difficult.
6. If the drive wheels begin to spin, you should:
take your foot off the accelerator.
apply your brakes all the way.
accelerate smoothly and change gears as necessary.
7. To test the service brakes, pull forward at about _____ and apply the brakes firmly using the brake.
5 mph
10 mph
15 mph
8. The air tanks should be drained completely to remove:
water and oil.
carbon monoxide.
9. When changing lanes, you should:
not use your turn signals.
do it quickly.
None of the above.
10. Why should you complete an after-trip inspection report?
So you won't be held responsible for any subsequent damage.
To help the motor carrier know when the vehicle needs repairs.
To prove that you finished your trip.
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VA 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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