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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. Unless excepted, shipping papers must list:
a proper description of the truck.
the address of the driver.
an emergency response telephone number.
2. If a load is 50 feet long, the minimum number of tie-downs required is:
3. Before driving a vehicle with a dual brake brake system, the driver should:
wait at least 10 minutes before driving.
pump the brake pedal 10 times to build pressure.
allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
4. In coming down a long, steep downgrade, which of the following is NOT a factor you should consider to select an appropriate safe speed?
Road conditions
Your schedule
Steepness of the grade
5. When driving, you should:
check your mirrors regularly.
avoid checking your mirros often.
use your mirrors only when changing lanes.
6. When driving in heavy rain, your brakes will get wet. Water in the brakes can cause:
wheel lockups.
lack of braking power.
All of the above.
7. Tar in the road pavement:
does not affect the road surface.
can slow down your vehicle.
frequently rises to the surface in very hot weather.
8. If a load is placed on one side of the trailer:
making turns may be easier.
a rollover is more likely.
the steering axle weight will be too light to steer safely.
9. Overloading can have bad effects on all of the following except:
Exhaust system
10. Most heavy trucks with manual transmissions require ____ to change gears.
single clutching
double clutching
triple clutching
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VT CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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