CDL GENERAL KNOWLEDGE TEST (NEBRASKA) - PRACTICE TEST

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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. The safety relief valve is located:
on each end of the vehicle's axles.
in the front brake.
on the dashboard.
in the first tank the air compressor pumps air to.
2. Which of the following is not a type of retarder?
Electric
Pressure
Exhaust
Hydraulic
3. You should be especially alert for drunk drivers:
around shopping areas.
in the early evening.
late at night.
in the morning.
4. Which of the following statements about stopping distance is true?
Braking distance is the distance your vehicle will travel, in ideal conditions, while you are braking.
Reaction distance is the distance you will continue to travel, in ideal conditions, before you hit the brakes.
Perception distance is the distance your vehicle travels, in ideal conditions, from the time your eyes see a hazard until your brain recognizes it.
All of the above.
5. What is an advantage of going right instead of left around an obstacle?
There is no real advantage.
No one is likely to be passing you on the left, but someone may be driving on the shoulder.
If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
6. When using the controlled braking method, you:
apply the brakes as hard as you can without locking the wheels.
apply the brakes all the way and release brakes when wheels lock up.
repeatedly tap the brakes as fast as you can.
lightly apply braking pressure.
7. On front tires, tread should be at least:
4/16 inch
1/16 inch
4/32 inch
2/32 inch
8. Confused drivers may:
change direction suddenly.
stop without warning.
change lanes for no apparent reason.
All of the above.
9. How do you test hydraulic brakes for leaks?
Pump the brake pedal ten times and see if it holds.
Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
Pull forward against parking brake to make sure the hydraulic brakes holds.
None of the above.
10. The _______ applies and releases the brakes when you use the brake pedal during normal driving.
emergency brake system
trailer brake system
parking brake system
service brake system
 
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NE CDL Knowledge Test

Number of questions: 50
Correct answers to pass:40
Passing score:80%
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