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The CDL general knowledge test is required to be taken by all CDL applicants. The North Carolina 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 North Carolina 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 NC 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. Transporting hanging meat requires special attention. Why?
Because refrigerated trucks have less traction.
Because you have to drive fast to get it delivered fresh.
Because hanging meat can be an unstable load with a high center of gravity.
All of the above.
2. To avoid distractions while driving, you should:
try to engage in complex conversations with the other occupants.
use your phone only when there is no traffic around you.
smoke, eat, and drink only when the road is straight.
adjust vehicle controls and mirrors prior to driving.
3. When feeling fatigued you should:
drink a cup of coffee.
stop and rest.
continue driving.
increase your speed to get to your destination faster.
4. How can you determine your following distance?
Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach that same object.
When the vehicle ahead of you passes a stationary object such as a sign along the road, use the stopwatch on your smartphone to determine how long it takes you to reach that same object.
When the vehicle ahead of you passes a stationary object on the side of road, start counting the seconds it takes you to reach that same object.
None of the above.
5. If you smell exhaust fumes in the cab, you should:
open the windows.
stop immediately.
remember to conduct a post-trip inspection.
wait for the next stop, then inspect your vehicle.
6. Things that can distract your attention while you are driving include:
police pulling someone over.
road construction.
All of the above.
7. To apply the parking brakes:
pull the parking brake control knob out.
push the parking brake control knob in.
push the brake pedal three times.
place the parking brake control knob in Neutral.
8. You hear a loud "bang" which sounds like a tire blowout. You should:
check the tires at the next stop.
assume you have a tire failure.
keep driving as normal.
inspect your tires with your mirrors.
9. If you have convex mirrors, be aware that:
objects seem closer than they really are.
everything appears smaller in a convex mirror than it would if you were looking at it directly.
in a convex mirror objects appears larger than they really are.
objects may appear to be faster than they really are.
10. With the controlled braking method:
you apply your brakes as hard as possible without locking the wheels.
you use the parking brake to lock the wheels.
you lightly tap the brakes.
you apply your brakes all the way and release the brakes when the wheels lock up.
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Number of questions: 50
Correct answers to pass:40
Passing score:80%
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