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

An "A/W" the first column of the hazardous materials table means:

This material is only restricted when shipped by air and/or water.

This material has no restrictions when shipped by air and/or water.

It is ok to ship this material by air only.

There is no restrictions with this material if shipped by water only.

2 / 40

The transport index of a radioactive material:

None of these answers are correct.

Tells the degree of control needed during transportation.

Is something that only the shipper needs to worry about.

Is another way of writing the weight of the package.

3 / 40

Select the true statement in regards to quick steering movements and double trailers:

you should apply a firm pressure to the brake pedal at the same moment you do quick steering movements

it is easier to countersteer doubles/triples than other vehicles

it is easier to tip doubles and triples from quick steering movements than other vehicles

nothing will occur

4 / 40

A truck with baffles will handle:

None of the answers listed.

The same as a tanker with no baffles.

Heavier that it actually is.

With less front to back surge compared to trailers without baffles.

5 / 40

If you work for an interstate carrier:

None of these answers are correct.

If there are no defects, no report is necessary.

You must complete a written inspection report for each bus driven.

Only fill out report for buses with defects.

6 / 40

What are the liquid tight separations between compartments inside tanks called?

Bulkheads

Waffles

Layers

None of the answers listed

7 / 40

Select which vehicles are required to have a low air pressure warning signal:

all operating vehicles with air brakes

all vehicles built after 2005

they are optional

all vehicles built after 2010

8 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

someone could start and move the truck

all of these answers are correct

it could damage the starting mechanism

someone could steal the truck

9 / 40

Select the true statement in regards to an application pressure gauge:

it prevents the brakes from failing

when accelerating it releases air

it is connected to the generator

it shows how much air pressure you are applying to the brakes

10 / 40

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

none of the answers listed

open at the rear of the last trailer and front trailer

closed at the rear of the last trailer and open at the rear of the front trailer

closed at the rear of the last trailer and front trailer

11 / 40

When transporting hazardous waste, you must:

Have the word "waste" before the name of the material on the bills.

All of these answers are correct.

Sign a uniform hazardous waste manifest.

Carry a uniform hazardous waste manifest in the truck.

12 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

All answers listed.

It can occur when driving through a curve.

It can occur even when driving at the posted speed limit.

It can occur even with baffles inside that slow the flow.

13 / 40

Your bus is disabled. With riders aboard, the bus may be towed or pushed to a safe place only:

By another bus with its four-way flashers on.

If the distance is less than 500 yards.

By a 27,000 lbs gvwr or larger tow truck.

If getting off the bus would be more risky for the riders.

14 / 40

An example of a low pressure warning signal for air brakes is:

all of these answers are correct

red light

a wig wag mechanical arm

a buzzer

15 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

in the back

it makes no difference

in the middle

in the front

16 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the trailer slides to the right into the shoulder

when the tractor spins around

when the trailer pushes the towed vehicle sideways

when the tractor brakes lock up

17 / 40

Remember to_____when steering to avoid a crash while driving doubles.

all answers listed

keep your foot off the brake while turning

have both hands on the steering wheel

be prepared to counter-steer

18 / 40

Which of the following about the front tires on a commercial bus is true?

Can be recapped, but never regrooved.

Must not be recapped, but can be regrooved.

Can be regrooved or recapped as long as they have 4/32 tread depth.

Must not have recapped or regrooved tires.

19 / 40

Select the false statement about suspension:

Check for shifted, missing, or cracked leaf springs.

Check for distorted or broken coil springs.

Check to make sure torsion bars and/or arms are lubricated.

Check for broken or cracked spring hangers.

20 / 40

What is the best way to see the sides and rear of your vehicle?

rear view cameras

your mirrors

a helper

all of these answers are correct

21 / 40

Be careful to check the_____when unloading the smaller tanks of bulk heads.

percentage of alcohol

the fuel to air ratio

percentage of water

weight distribution

22 / 40

You should expect____when backing a tractor under a trailer.

the trailer to be completely still

the trailer landing gear to be fully extended

the trailer to lift slightly

the end of the kingpin to be level with the top of the fifth wheel

23 / 40

Why should you test the tractor protection valve?

to avoid loss of air from the air hose

all answers listed

to avoid the emergency brakes kicking on due to loss of air

to avoid loss of air from the trailer brakes

24 / 40

What is the normal operating range for a truck's oil pressure?

30-75 psi

20-30 psi

This is engine-specific

40-60 psi

25 / 40

When transporting explosives you may not park:

Within 5 feet of the traveled part of the road.

All of these answers are correct.

Within 300 feet of a tunnel.

Near an open fire.

26 / 40

What is the reason that placards are used?

to prevent terrorism

so hazmat is not mixed with food

communicate the risk

it is the law

27 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

during the winter

when parking at loading docks

in no situation

when parking on a grade

28 / 40

You should___when driving down a long steep hill.

repeatedly pump the brake pedal

begin braking once the vehicle is 10 mph above safe speed

release the brake once the vehicle is traveling 5 mph below the safe speed

use the engine brakes only

29 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

the dolly tow bar could fly up

the air lines will explode

the engine brakes will unlock

nothing will happen

30 / 40

When driving tank vehicles you should:

None of the answers listed.

Decrease your speed before entering a curve and then accelerate through it.

Maintain the posted speed limit as you enter the curve.

Come to a stop before entering a curve and then accelerate through it.

31 / 40

It is very important that you never smoke around which hazard classes?

All hazard classes.

It is ok to smoke anywhere.

Corrosive, radioactive, dangerous, slippery when wet, inhalation.

Explosives, flammable gas, oxidizers, flammable solids, flammable liquids.

32 / 40

Alcohol evaporators in some air brake systems help to:

decrease the chances of ice in the air brake valves in cold weather

it removes fuel from the air lines

cleans out oil from the air lines

decreases the risk of water in the air brake valves in cold weather

33 / 40

What does the amount of liquid allowed in the tank depend on?

The legally allowed weight limits.

Whether and how much the liquid will expand during the trip.

The size of the tank.

All answers listed.

34 / 40

What is the most important reason for doing a school bus inspection?

To check for flat tires.

For safety required by federal, state, and local laws.

To assist the school principal with their report.

To give the mechanic something to do.

35 / 40

In the event of an accident you should remember to do the following EXCEPT:

stop any bleeding and keep the victims warm

notify authorities

protect the area

move the victims out of the way immediately

36 / 40

Placarded vehicles must carry which type of fire extinguisher?

Hazmat extinguisher

B-C fire extinguisher

A-B fire extinguisher

C-D fire extinguisher

37 / 40

Off-tracking happens when going around a corner and:

the rear wheels follow a different pathway than that of the front wheels

the front part of the trailer pulls to the right

the rear wheels follow the front wheels in a straight path

the rear part of the trailer goes into the shoulder

38 / 40

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

downshift

pump the brake pedal

put the gears in neutral

look for an escape ramp or an escape route

39 / 40

It is important to know the outage required for the liquids you carry because:

Tank baffles may not always be permitted with outage.

None of these answers are correct.

Some of the denser liquids don't need any.

Some liquids will expand more than others when warm.

40 / 40

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

the kingpin is over the fifth wheel

the trailer will rise slightly when the converter dolly is backed underneath it

all answers listed

the center of the kingpin is past the locking jaw

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

CDL Category Practice Tests

CDL Practice Test

How To Get A new hampshire Commercial Drivers License

Hit the Open Road

new hampshire CDL License Test Tips

Additional Information

Information on the New Hampshire Division of Motor Vehicles

Additional New Hampshire CDL Helpful Links

new hampshire
CDL Practice Test