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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. What is an important thing to remember about emergency braking?
Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
Your natural response (hitting the brakes) is never the right solution.
You should never use stab braking.
The more heavily loaded semitrailer trailer should be in the rear.
2. When you are driving on a slippery road, you should NOT:
use the engine brake or speed retarder.
take curves at slower speeds.
adjust turning and braking to road conditions.
keep a longer following distance.
3. If your trailer starts to skid, you should:
release the brakes.
steer in the opposite direction.
lock the brakes.
pump the brakes.
4. If your truck catches fire, the first thing you should do is to:
pull off the road and park in an open area.
pull into a service station and call for help.
get off the vehicle, open the hood and start shooting foam to keep the engine cool.
get the vehicle off the road and park near other vehicles.
5. If an aggressive driver confronts you, you should NOT:
make eye contact.
try to let them pass.
ignore gestures.
try to get out of their way.
6. When only the tractor has ABS:
it will be much more difficult to maintain steering control.
the brakes won't work as effectively as without ABS.
there is less chance of jackknifing.
there is an increased chance of jackknifing.
7. After a tire has been changed, you should:
wait at least 30 minutes before driving.
decrease tire pressure.
stop a short while later and check that the nuts are tight.
deflate the tire to 15 psi.
8. Empty trucks:
have less traction.
require greater stopping distances.
are higher than loaded trucks.
All of the above.
9. If your brakes get wet, it can cause them:
to apply unevenly.
to be weak.
to grab.
All of the above.
10. Emergency brakes are:
not required on buses.
required on all vehicles.
not required on commercial vehicles with air brakes.
not required on doubles.
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NV 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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