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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. Mirror adjustment should be checked:
once a week.
only if you plan on using them.
prior to the start of any trip.
2. Which of the following is NOT true?
ABS only comes into play when a wheel would have locked up because of over braking.
ABS won't compensate for bad brakes.
ABS will change the way you normally brake.
3. Combination vehicles usually require _________ single commercial vehicles.
less driving skill than
the same level of skill as
more driving skill than
4. When shifting up, you should release accelerator, push in clutch and shift to neutral at the same time, and then?
Release the clutch
Shift up
Push in the clutch again
5. Why should you put the starter switch key in your pocket during the pre-trip inspection?
So no one moves the vehicle while you are inspecting underneath it.
So you don't lose it.
You will need it to inspect the trailer.
6. If your vehicle begins to hydroplane, you should:
accelerate slightly.
release the accelerator and push in the clutch.
brake gently to slow down.
7. When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
100; 150
50; 250
50; 150
8. Which of the following vehicles is most likely to turn over?
65 ft. conventional double
3 axle tractor semitrailer
Triple trailer
9. After starting the engine, oil pressure should rise to a normal level:
within 2 minutes.
within 6 minutes.
within seconds.
10. Front-end header boards:
protect you from your cargo in case of an accident.
can cause your vehicle to hydroplane.
protect your from glare and eyestrain.
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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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