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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. Which of the following beverages contains the most alcohol?
A 1½-ounce shot of 80 proof liquor
A 12 ounce glass of 5% beer
All of the above.
2. Gross vehicle weight (GVW) is:
the total weight of the vehicle axle.
the total weight of a single vehicle, except its load.
the total weight of a single vehicle including its load.
3. To maintain alertness while driving, you should:
rely on caffeine.
protect yourself from glare with sunglasses.
keep the cab warm.
4. If you are driving a 40-foot vehicle at 35 mph, you should leave at least _____ between you and the vehicle ahead.
4 seconds
3 seconds
5 seconds
5. Which of the following statements about alcohol is TRUE?
Time is the only method that works to sober you up.
Drinking black coffee will help sober you up.
Taking a cold shower will help sober you up.
6. If you let air out of hot tires:
the tires will cool off much sooner.
as the tire cools, the air pressure will be too low.
air pressure will increases, causing the tires to blow out.
7. When the temperature is below freezing, which of the following areas may be slippery?
Wet roads
All of the above.
8. During a hazardous materials emergency, you should:
prevent smoking and keep open flames away.
keep everyone away.
All of the above.
9. If you must make a quick stop to avoid an accident, you should:
increase your stopping distance.
use controlled or stab braking.
jam on the brakes to keep your vehicle in a straight line.
10. Rust around wheel nuts may mean:
the nuts are too tight.
the nuts are loose.
the wheels or rims have had welding repairs.
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VA 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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