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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. In a convex mirror everything appears:
2. How can you tell if your vehicle is equipped with anti-lock braking system (ABS)?
Look for yellow ABS malfunction lamps on the instrument panel.
Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
All of the above.
3. During your pre-trip inspection, you should check:
Warning flashers.
Tire tread depth.
All of the above.
4. Before transporting sealed loads, you should check that:
the load can be inspected.
the load is properly secured.
the seal numbers match the placard numbers.
5. To prevent your vehicle from rolling back when you start you should:
partly engage the clutch before you take your right foot off the brake.
put the transmission in Neutral.
release the parking brake, then apply enough engine power to keep from rolling back.
6. If you experience a loss of hydraulic pressure, you should do all of the following except:
Pump the brakes
Put the transmission in Neutral
7. If you are traveling at 55 mph in a 30 foot vehicle, how many seconds of following distance should you have?
4 seconds
5 seconds
3 seconds
8. Brake fade results from:
excessive speeding.
excessive wear.
excessive use of the service brakes.
9. When driving on slippery surfaces, you should:
make turns as quickly as possible.
not pass slower vehicles unless necessary.
change lanes often.
10. To keep the engine cool in hot weather, you should:
check v-belt tightness by pressing on the belts.
make sure there is enough engine oil.
All of the above.
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Number of questions: 50
Correct answers to pass:40
Passing score:80%
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