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The CDL general knowledge test is required to be taken by all CDL applicants. The New Hampshire 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 New Hampshire 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 NH 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 looking ahead of your vehicle while you are driving, you should:
look to the right side of the road.
look to the left side of the road.
shift your attention back and forth, near and far.
look as far as your peripheral vision can see.
2. Regardless of its size, cargo should have at least ___ tie-downs.
3. On wet roads, you must drive slower to be able to stop in the same distance as on a dry road. Reduce speed by about _______ when driving on a wet road.
70 percent
60 percent
4. Water in the brakes:
can cause the brakes to apply unevenly.
can increase braking power.
reduces wheel lockups.
All of the above.
5. When should you inspect your vehicle and cargo?
Before and during a trip.
Before and after a trip.
During and after a trip.
Before, during and after a trip.
6. Brake lag is:
the amount of air pressure required to stop the vehicle.
the distance your vehicle will travel, in ideal conditions, while you are braking.
the time required for the air brakes to work after the brake pedal is pushed.
the distance your vehicle will continue to travel, in ideal conditions, before you hit the brakes.
7. When you are involved in an accident and not seriously hurt, you need to:
collect required information and report the accident.
protect the area and notify authorities.
care for the injured.
All of the above.
8. Drivers who cannot see others are a dangerous hazard. Be especially alert for all of the following, except:
Vehicles with frosted windows
Pick-up trucks
Loaded station wagons
Rental trucks
9. To release the parking brakes:
pull the parking brake control knob out.
pump the brake pedal 3 times.
place the parking brake control knob in Neutral.
push the parking brake control knob in.
10. To avoid becoming an aggressive driver you should:
give other drivers your full attention.
give other drivers the benefit of the doubt.
speed up if you think you’re going to be late.
make gestures to other drivers.
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NH 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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