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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. To use road speed to know when to switch gears you should:
learn the operating rpm range of your vehicle.
watch your tachometer, and shift up when your engine reaches the top of the range.
learn what speeds each gear is good for.
2. If you hear a loud loud "bang" and the steering feels "heavy", you should:
pump the brakes until the vehicle has slowed down.
brake hard and pull off the road.
hold the steering wheel firmly and stay off the brake.
3. Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
the trailer will stop normally.
there will be no emergency brakes.
4. Warnings on low bridges or underpasses:
are often posted, but sometimes they are not.
must be posted.
are always posted.
5. Retarders:
can be noisy and may not be permitted everywhere.
improve traction.
help to increase brake pressure.
6. If you have a HazMat endorsement and renounce your U.S. citizenship:
you may keep your endorsement until your next license renewal date.
you will lose your HazMat endorsement.
you may transfer your endorsement to a trusted U.S. citizen.
7. When should you be particularly careful about high winds?
When driving at night
When emerging from a tunnel
When going downhill
8. Regardless of its size, cargo should have at least ___ tie-downs.
9. Which of these vehicles must come to a complete stop at railroad grade crossings?
School buses
Heavy equipment
All of the above.
10. HAZMAT placards are:
regulatory signs
warning signs
speed signs
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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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