View instructions
The CDL general knowledge test is required to be taken by all CDL applicants. The Nebraska 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 Nebraska 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 NE 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. Broken suspension parts:
hold up the vehicle and its load and keep the axles in place.
can be extremely dangerous.
should not be a concern unless you are driving on steep grades.
All of the above.
2. If you are driving a 50 foot truck and you are traveling at 55 mph, you should have at least _________ of following distance.
6 seconds
12 seconds
3 seconds
5 seconds
3. To use road speed to know when to switch gears you should:
use the posted speed limit as a guide.
watch your tachometer, and shift up when your engine reaches the top of the range.
learn the operating rpm range of your vehicle.
learn what speeds each gear is good for.
4. As you approach a turn, do not coast unsafely. Unsafe coasting occurs when:
you don't use turn signals before making a turn.
you downshift for less than the length of your vehicle.
you downshift before making a turn.
your vehicle is out of gear for more than the length of your vehicle.
5. As part of your pre-trip inspection, make sure:
the cargo is balanced properly.
your cargo does not obscure your view.
the vehicle is not overloaded.
All of the above.
6. When steering to avoid a crash, you should:
apply the brakes while turning.
not turn any more than needed to clear what is in your way.
steer with one hand so that you can turn the wheel more quickly.
All of the above.
7. If you are stopped on an incline, how can you start moving without rolling back?
Fully engage the clutch
Apply the parking brake
Shift to neutral
Aggressively pump the accelerator
8. In order to protect yourself and others, you must be aware that children may do something hazardous because:
they tend to act quickly without checking traffic.
they tend to like trucks.
they don't have a driving license.
they are often found in school zones.
9. In a dual air brake system, if one air system is very low on pressure:
either the front or rear brakes will not be operating fully.
the effect won't be noticeable for the first 50 miles.
you should drive and brake as you always have.
you should pump the brakes to restore pressure.
10. You are inspecting your vehicle during a trip. What should you do?
Watch gauges for signs of trouble.
Use your senses to check for problems.
Check critical items such as tires, brakes, and lights.
All of the above.
Page 1 of 5
Next page

NE CDL Practice Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
Share This Online CDL Test
Rate this CDL Practice Test
4.5 out of 5
based on 371 votes