new hampshire
CDL Practice Test


Welcome to the New Hampshire CDL practice test site. Questions from these tests are designed to prepare you for the actual NH DMV CDL knowledge tests that you may have to take depending on the CDL classification and endorsement that you are looking to obtain. You are welcome to take these CDL practice test questions as many times as you like as the tests are completely free. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

2 / 40

Which is more likely to tip over due to the crack the whip effect?

3 / 40

When approaching a school bus stop, you should:

4 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

5 / 40

What should you do if you start a trailer skid?

6 / 40

Why should you know the outage?

7 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

8 / 40

Make sure____when the front trailer supports are up and the trailer is sitting on the tractor.

9 / 40

What is the first thing to do if your vehicle catches fire while driving?

10 / 40

What does the air compressor governor control?

11 / 40

Select the true statement about speed and stopping distance.

12 / 40

What might happen if you swing wide to the left before you turn right?

13 / 40

How do you test your service brakes?

14 / 40

In Column 1 the symbol "I" means:

15 / 40

Which of the following is NOT a part of the steering system?

16 / 40

What is the correct number of red reflective triangles that you should carry?

17 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

18 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

19 / 40

The average person requires how many hours of sleep per 24 hour period?

20 / 40

Select when you should use the parking brake:

21 / 40

What does the amount of liquid you can carry depend on?

22 / 40

What is the best way to prevent brakes form overheating while drive down a steep grade?

23 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

24 / 40

Start by___when coupling.

25 / 40

If you have to swerve to avoid a hazard, it's important to:

26 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

27 / 40

Where can you find a shipper’s certification?

28 / 40

Select the statement that best explains the "crack-the-whip" effect.

29 / 40

An air system that is fully charged will typically have ___ psi of pressure.

30 / 40

You should adjust all the outside left and right side flat mirrors to see:

31 / 40

Which of the following statements about "Radioactive" labels is true?

32 / 40

You should____in order to inspect the coupling.

33 / 40

Commerical vehicles typically have this type of brake.

34 / 40

Five hazard classes that require placarding in any amount are ______.

35 / 40

Select the true statement in regards to brake drums or discs:

36 / 40

Select the true statement in regards to empty trucks:

37 / 40

How do you determine if slack adjusters need to be adjusted?

38 / 40

A safe haven is:

39 / 40

What color and shape is the trailer air supply control?

40 / 40

Make sure that_____before you back under a trailer.

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A new hampshire Commercial Drivers License

To be eligible for a CDL in New Hampshire, applicants must meet the following age eligibility requirements. To operate a commercial vehicle intrastate (within New Hampshire only) a driver must be at least 18 years old. To operate a commercial vehicle interstate (outside New Hampshire) a driver must be at least 21. The New Hampshire Department of Motor Vehicles requires applicants to self-certify and submit a copy of a medical certificate. New Hampshire CDL applicants must complete and submit a statement of license status. Applicants are required to pass a vision test.Applicants who are non-excepted drivers (not employed by a federal or state agency) must include a copy of their medical cards with the statement of license status. New Hampshire CDL applicants who do not meet the minimum medical requirements can apply to drive intrastate only and cannot transport hazardous materials. Drivers whose licenses have been revoked, suspended, denied or canceled are not eligible for a CDL in New Hampshire. CDL applicants cannot possess driver’s licenses in more than one state.

New Hampshire CDL Endorsements

  • H – Hazardous Material
  • N – Tank Vehicles
  • P – Passenger Vehicles
  • S – School Bus
  • T – Towing a Double or Triple Trailer
  • X – Combination Tank Vehicle and Hazardous Materials

Hit the Open Road

new hampshire CDL License Test Tips

All CDL applicants must pass the general knowledge test and specific tests for each endorsement. Applicants must score at least 80 percent on each test. The New Hampshire skills test includes a pre-trip vehicle inspection, off-road (reversing, parking, navigating cones) and on-road driving (intersections, highways, railroad crossings). Applicants must pass each section of the endorsement tests.

Recent military veterans and enlisted military members can apply to have the skills test waived if they currently are enlisted in the military or honorably discharged from the military within the past 90 days of submitting an application. The can also get a waiver if they have operated a motor vehicle equivalent to a commercial motor vehicle in the military within the past year. Other requirements include:

  • Reside in New Hampshire.
  • Not have any alcohol-related or major driving incidents within 2 years before submitting a CDL application.
  • Complete Form DSMV 609 Application for Military Skills Test Waiver. This form must be signed by a commanding officer.

Additional Information

Information on the New Hampshire Division of Motor Vehicles

The New Hampshire Division of Motor Vehicles provides oversight for the CDL license requirements in New Hampshire. To get more information contact them via:


Phone: 603.227.4000


Additional New Hampshire CDL Helpful Links

Please use the links below to access more valuable New Hampshire CDL testing resources and to learn more about practice driving tests for the state of New Hampshire.