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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. Before you back into an area, you should __________ overhanging hazards like trees, branches or electric wires.
get out of the vehicle and check for
check your mirrors to be aware of
ask someone else to check for
look out of the windows for
2. A steering wheel play of more than ___ degrees can make it hard to steer.
45
20
60
10
3. When the wheels of a trailer lock up, the trailer will tend to swing around. This is more likely to happen when:
the trailer is fully loaded.
the trailer is overloaded.
the trailer is empty or lightly loaded.
None of the above.
4. When should you downshift automatic transmissions?
When going up steep grades
When going around curves
When you use the brake pedal during normal driving
When going down grades
5. _______ is the distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it.
Perception distance
Reaction distance
Total stopping distance
Braking distance
6. To maintain alertness while driving, you should:
have another person ride with you.
avoid heavy foods.
avoid medications that cause drowsiness.
All of the above.
7. B:C type fire extinguishers are suitable for dealing with:
electrical fires and burning liquids.
wood fires.
tire fires.
cloth and paper fires.
8. If driving a new vehicle, you should familiarize yourself with the controls and equipment:
before you start driving.
within the first 50 miles.
as you drive.
after pulling into a service station.
9. ABS:
causes your wheels to lock when you break hard.
is not required on newer trucks.
gives you more control when you brake.
helps increase brake pressure.
10. Which of the following helps keep the engine cool in hot weather?
Driving faster to force more air into the radiator.
Making sure the anti-lock braking system is on.
Making sure there is enough engine oil.
All of the above.
 
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Frequently Asked Questions

You can start learning to drive at the age of 15 ½, under the supervision of a parent/guardian or a licensed adult who is at least 25 years old. However, you become eligible to apply for a driver’s license (class D) only when you reach the age of 16. If you are between 16 and 21 years old, you may apply for a youth operator license. For individuals under 18, it is mandatory to attend an approved driver education program and complete 40 hours of supervised driving.

To take the DMV written test, it’s advisable to schedule an appointment. Choose a specific New Hampshire DMV branch, date, and time. While walk-in services are available, customers with appointments are given priority.
If you're a first-time applicant for a driver's license, make sure you have the following documents:
  • Completed Driver License Application (DSMV 450).
  • Proof of identity
  • Proof of residency

If you are under 18 years of age, additional requirements include:
  • Green Driver Education Completion Certificate issued by your driver education instructor.
  • A Parent or Guardian Authorization Certificate.
  • A completed Certification of Additional Supervised Driving signed by a parent or guardian.

The DMV written test is provided in English, French, Spanish, Arabic, Mandarin, Portuguese, Farsi, and American Sign Language. An automated oral test is also available for individuals who do not read English. If you prefer this option, please inform the customer service representative when you take the exam.

The best way to prepare for the DMV written test is by reading the New Hampshire Driver’s Handbook, which contains information about road signs, safe driving practices, and road rules in New Hampshire. After studying the manual, test your preparation with our free practice tests!

The DMV written test in New Hampshire consists of 40 multiple-choice questions and is conducted on a touch screen monitor. You'll be given 40 minutes to complete the test. Each question presents four possible answers, and you must select the correct one by touching the corresponding letter on the screen.

You need to answer at least 32 out of 40 questions correctly. If you miss more than 8 questions, the test will automatically end. It's important to stay focused during the exam and take the time to read the questions carefully to minimize errors and pass the DMV written test on the first attempt.

For drivers under 18 years of age with a youth operator license, there are specific restrictions:
  • Driving a motor vehicle is not allowed between 1:00 a.m. and 4:00 a.m.
  • For the first six months, driving a motor vehicle with more than one passenger under 25 years of age (except siblings) is prohibited unless accompanied by a licensed adult who is at least 25 years old.
  • Operating a motor vehicle with more passengers than available seat belts is not permitted.

New Hampshire doesn’t issue permits. If you are under 21, after passing the required tests (vision, knowledge, and road), you’ll receive a temporary license valid for 60 days. The youth operator license will be mailed to your address within 60 days. This license will be vertically-oriented and will expire when you reach 21 years old. At that point, you can apply for a renewal of your driver's license to obtain a horizontally-oriented license.

If you fail the DMV written test, you'll need to wait for 10 calendar days before you can take it again. During these days, review the manual once again and concentrate on areas where you may need additional preparation to improve your knowledge for the next attempt.

NH CDL Practice Test

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