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

When backing, what is the best method to use to avoid blind spots?

2 / 40

How often should you check the cargo you are transporting?

3 / 40

The driver's manual advises you to disconnect the steering axle brake to keep the rig straight:

4 / 40

The floor liner for explosives may not:

5 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

6 / 40

You should_____when the low pressure warning is activated:

7 / 40

One reason hauling liquids in tank vehciles require special care is:

8 / 40

Students exit the bus and walk:

9 / 40

A disruptive passenger:

10 / 40

In safe driving, what does communicating mean?

11 / 40

This should be cleaned and then adjusted properly while inside the cab.

12 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

13 / 40

Why should you test the tractor protection valve?

14 / 40

Which of the following is not a prohibited practice on the bus:

15 / 40

Select the true statement in regards to what the fifth wheel should be checked for.

16 / 40

Which of the following answers lists the three types of emergency equipment you must have on your bus?

17 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

18 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

19 / 40

You should check your mirrors while making a lane change:

20 / 40

What is the purpose of the supply pressure gauge?

21 / 40

Play of the steering wheel should not exceed:

22 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

23 / 40

A "transport index" relates to products that are:

24 / 40

A trailer is at the right height to have the tractor backed up to it when:

25 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

26 / 40

A commercial motor vehicle (CMV) is defined as:

27 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

28 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

29 / 40

The reason a bulk liquid tanker is hard to handle is:

30 / 40

Select the true statement about handling triples and doubles:

31 / 40

To avoid rollover when going through a curve, the best thing to do is:

32 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

33 / 40

If you park the trailer at an angle to the tractor when uncoupling:

34 / 40

How should the hand valve be used?

35 / 40

Remember to____when connecting the converter dolly to the rear trailer.

36 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

37 / 40

Select the statement that describes smooth bore tanks:

38 / 40

If there is rust around the nuts, what may it indicate?

39 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

40 / 40

It has just reached freezing. Which of the following areas is slippery?

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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.