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The CDL general knowledge test is required to be taken by all CDL applicants. The Nevada 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 Nevada 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 NV 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. When you need to brake, you should warn the drivers behind:
by making gestures.
by flashing your brake lights.
by changing lanes.
by turning on the 4-way emergency flashers.
2. Which of the following statements about tire failure is true?
If the steering feels heavy, it may be a sign one of the rear tires has failed.
It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
Any time you hear a tire blow, you would be safest to assume it is not yours.
All of the above.
3. _________ are used on many vehicles to provide extra gears.
Auxiliary transmissions and power steering cylinders
None of the other answers is correct.
Retarders and multi-speed rear axles
Multi-speed rear axles and auxiliary transmissions
4. If no qualified person is at the accident and an injured person is bleeding heavily, how can you give assistance?
Look for a doctor.
Apply direct pressure to the wound.
Poor cold water on the wound.
Keep the injured person cold.
5. A high center of gravity means:
a rollover is less likely.
you'll have better traction.
you are more likely to tip over.
the spring brakes will come fully on.
6. To prevent rollover, you should:
drive slowly around on ramps and off ramps.
go slowly around turns.
keep the cargo as close to the ground as possible.
All of the above.
7. When should you sound your horn?
When you are about to change lanes.
When you are being tailgated by an aggressive driver.
When using your horn can help avoid an accident.
When steering around an obstacle.
8. With low beams, drivers can see ahead about:
150 feet
15 feet
100 feet
250 feet
9. If you are driving a 30-foot vehicle at 55 mph, you should leave at least _____ between you and the vehicle ahead.
2 seconds
4 seconds
3 seconds
5 seconds
10. Regrooved tires:
cannot be used on the front wheels of buses.
cannot be used on the wheels of buses.
cannot be used on the rear wheels of buses.
None of the above.
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Number of questions: 50
Correct answers to pass:40
Passing score:80%
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