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

What will occur if you cross the connect the air lines?

the tractor will not be able to move

nothing will occur, it'll funciton as normal

the tractor brakes will lock up

there will not be air going to the trailer brakes

2 / 40

Never refuel your bus:

Without a static chain.

With a higher grade of fuel.

In a closed building with passengers on board.

With any of the windows open.

3 / 40

For emergency braking when driving a double trailer and having to use your brakes to avoid a collision is to:

use the engine brake

use just the trailer brakes

apply a firm pressure to the brake pedal and don’t let off

use stab or controlled braking

4 / 40

How far before a railroad crossing should you stop your bus?

10 to 35 feet

50 to 75 feet

15 to 50 feet

100 feet exactly

5 / 40

For Division 1.1 or 1.2 Explosives A, should the floor liner required be stainless steel?

Yes

Any type of floor liner is sufficient

Never use a floor liner for any explosive class

6 / 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.

engine brakes

parking brakes

hydraulic brakes

air brakes

7 / 40

If your bus is equipped with an emergency exit door, it must:

Always have a red door light turned on.

Be secured when the bus is being driven.

All of these answers are correct.

Not have any signs, stickers, or markings near it.

8 / 40

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

the linings should fit loosely around the brake shoe

they are not allowed to have any cracks

they should not have cracks that are longer than half the width of the friction area

they should always be kept well-greased up

9 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least five feet

At least twenty feet

At least half a mile

At least ten feet

10 / 40

A tractor should not be backed under a trailer until the whole air system is:

at a normal pressure

is between 40 and 60 psi

is between 50 and 80 psi

is at half of the maximum pressure

11 / 40

Remember to_____when steering to avoid a crash while driving doubles.

have both hands on the steering wheel

be prepared to counter-steer

keep your foot off the brake while turning

all answers listed

12 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

at a distance of 1 seconds for every 10 feet of your vehicle length

at a distance of 1 second for every 5 feet of your vehicle length

as close as possible so other drivers won't cut in front of you

at a distance of 1 second for every 15 feet of your vehicle length

13 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

too little weight on the driving axles

too much weight on the steering axles

under loaded front axles

high center of gravity

14 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

accelerate

pump the brakes

shift down 2 gears

ride the brakes

15 / 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?

No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 60 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks.

16 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

All of these answers are correct.

In boxes that will keep them from turning over.

Loaded in an upright or horizontal position.

Loaded into racks attached to the vehicle.

17 / 40

At what "cut out" level does the governor stop pumping air?

75 psi

100 psi

150 psi

125 psi

18 / 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.

road rage

aggressive driving

defensive driving

distracted driving

19 / 40

Which of the following statements about downshifting is NOT true?

downshift before climbing a hill

downshift before entering a curve

downshift before starting down a hill

downshift when you get to the bottom of a hill

20 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

8 seconds

7 seconds

5 seconds

6 seconds

21 / 40

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

the fifth wheel will not come in contact with the kingpin

it'll raise slightly when the tractor is backed up under it

the top of the kingpin is even with the bottom of the fifth wheel

the kingpin is about 1 1/5 inches above the fifth wheel

22 / 40

The _____of the kingpin has the locking jaw close around it.

tip

dull section

shank

apex

23 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

none of the ansers listed

the trailer emergency brakes to activate

the trailer tank pressure to decrease

the tractor spring brakes to activate

24 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

Do not park within 200 feet.

Do not park within 300 feet.

Do not park within 500 feet.

Do not park within 100 feet.

25 / 40

Select the statement that best describes what the service line is for.

it is controlled by the trailer hand brake and carries air

it is controlled by the foot brake and carries air

it is controlled by the foot brake or trailer hand brake and carries air

all answers listed

26 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

Mud flaps

Tires

The lockjaw

Electric/air lines

27 / 40

How do you release the dolly brakes when coupling twin trailers?

by opening the shut off valve

by flushing the brake line

by charging the air line

by opening the air tank petcock

28 / 40

When would you lock some emergency roof hatches in a partly open position?

First day of spring

Whenever you enter a tunnel

Never

For fresh air

29 / 40

At what pressure is the safety valve in the air compressor tank set to open?

150 psi

125 psi

100 psi

225 psi

30 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

there is no way to know if there is an issue

you will be unable to release the tractor brakes

you will have brakes that are not operational

you will be unable to realse the trailer brakes

31 / 40

The object that doesn't get checked at the side of the trailer is the:

Electrical/air connections

The frame

The landing gear

The locking pins/tandem release arm

32 / 40

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

someone might try to pass you on your right

someone might try to pass you on your left

all of these answers are correct

you might damage your leaf springs

33 / 40

If you are traveling at 55 mph in a 30-foot vehicle, you should leave how many seconds of following distance?

6 seconds

3 seconds

4 seconds

7 seconds

34 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

the service brakes more to a fully applied position

air leaving the open valve

the emergency line valve to release air

the engine brake to kick on

35 / 40

Mirrors with a convex surface or "spot" mirrors _____.

make things look closer and larger than they actually are

they show a larger area than flat mirrors so do not need to be checked as often

are illegal in most states

make things look farther away and smaller than they actually are

36 / 40

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

Spare electric fuses, fire extinguisher, and accident reporting kit.

Hydraulic jack, fire extinguisher, and signal flares.

Reflectors, fire extinguisher, and accident reporting kit.

Fire extinguisher, spare electric fuses, and reflectors.

37 / 40

The manual says you should look _____ ahead while driving.

12 to 15 seconds, at highway speeds, about a quarter of a mile

5 to 8 seconds, at highway speeds, about an eighth of a mile

9 to 12 seconds, at highway speeds, about a quarter of a mile

15 to 20 seconds, at highway speeds, about a half of a mile

38 / 40

How do you supply air to the trailer tanks?

by pushing in the trailer air supply valve

by pulling out the trailer air supply valve

by connecting the service line glad hand

by connecting the red and blue lines

39 / 40

Select the factor that has no effect on how much liquid you can carry:

The density of the liquid.

The liquid's weight.

The legal amount of weight you can carry of any particular liquid.

How much the liquid will expand in transport.

40 / 40

Should your air compressor stop working:

you will lose your ability to brake immediately

there will still be air pressure left in the air tanks

there will be no affect to your brakes

the brakes will lock up on you immediately

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:

Website: https://www.nh.gov/safety/divisions/dmv/driver-licensing/commercial/apply.htm

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.

new hampshire CDL Practice Test