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The CDL general knowledge test is required to be taken by all CDL applicants. The Vermont 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 Vermont 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 VT 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. If you must make a quick stop to avoid an accident, you should:
use controlled or stab braking.
increase your stopping distance.
jam on the brakes to keep your vehicle in a straight line.
2. Which of the following statements is true?
Short-term or daily rental truck drivers are often not used to driving a large vehicle and may pose a hazard to you.
Delivery truck drivers are professionals and do not pose any hazard to you.
You can always trust other drivers to turn in the direction that their turn signal is indicating.
3. When you take a break in the middle of your trip, you should check:
gauges for signs of trouble.
heater, defroster and windshield wiper blades.
tires, brakes, lights and cargo securement devices.
4. Which of the following is considered a serious traffic violation?
Following a vehicle too closely
Reckless driving
All of the above
5. While crossing railroad tracks, you should:
shift up.
not shift gears.
shift down.
6. To stay alert while driving, you should:
avoid medications that can cause drowsiness.
rely on caffeine.
never open the window or use the air conditioner.
7. Blocking _______________ to keep it from sliding.
goes from the upper part of the cargo to the floor
is used in the front, back, and/or sides of a piece of cargo
is used only in the back of a piece of cargo
8. Most hydraulic brake failures occur for one of two reasons, one of which is:
relying too much on the engine braking effect.
loss of hydraulic pressure.
excessive downshifting.
9. When a vehicle goes around a corner, the rear wheels:
will turn freely.
follow a different path than the front wheels.
follow the same path as the front wheels.
10. Traction is:
friction between the tires and the road.
friction between the front and rear tires.
the distance your vehicle will travel while you are braking.
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VT 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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