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 does the drain valve for air tanks remove?

oil and water

air and oil

oil and dirt

water and air

2 / 40

Select the true statement about stop valves in a cargo tank:

They are manually operated.

They will close in an emergency.

They protect the piping and tank during rear end collisions.

They will fall off in an emergency.

3 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

In a fire-safe pouch under the driver's seat that you can reach while you are driving.

On the driver's seat anytime you are outside of the vehicle.

In a locked glove compartment anytime you are outside of the vehicle.

In a fire-safe pouch under the passenger seat while you are driving.

4 / 40

Start by___when coupling.

having the second trailer against the dock

coupling the tractor to the second trailer

coupling the converter hook to the pintle tongue of the first trailer

backing the converter dolly under the second trailer

5 / 40

You should____when an emergency requires you to quickly stop due to a crash.

use the hand valve

maintain pressure on the brake pedal

use only the engine brakes

use stab or controlled braking

6 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

A deduction of 15 points.

None of the answers listed.

An automatic failure of the vehicle inspection test.

The driver must restart the pre-trip from the beginning.

7 / 40

When stopped on a divided highway where should your reflectors be placed?

15 feet, 75 feet, and 150 feet toward the approaching traffic

30 feet, 100 feet, and 150 feet toward the approaching traffic

10 feet, 100 feet, and 200 feet toward the approaching traffic

20 feet, 150 feet, and 300 feet toward the approaching traffic

8 / 40

Always try to back toward the driver's side because

you can see better, watching the vehicle rear out the side window

all of these answers are correct

it's more comfortable for turning your neck

your truck will naturally pull toward the driver's side

9 / 40

Which of the following statements is true about speed management?

You should be able to stop within the distance that you can see ahead.

Speed limits for buses are the same as cars.

All of these answers are correct.

The posted speed limit is safe for all conditions.

10 / 40

What should you hook up before backing a tractor to a trailer for coupling?

the electrical service line

the service and emergency air lines

there is nothing to be hooked up

the safety bar

11 / 40

How should the pintle hook be when backing a dolly under the second trailer?

in the unlatched position

in the latched position

in a halfway open position

removed from the dolly

12 / 40

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

close the shut off valves at the back of the first and second trailer

close the shut off valves at the back of the second trailer and open the shut off valves at the back of the first trailer

open the shut off valves at the back of the first and second trailer

open the shut off valves at the back of the second trailer and close the shut off valves at the back of the first trailer

13 / 40

Bus drivers must have a CDL if they drive a vehicle:

That has a gross weight rating of more than 26,000 pounds.

Designed to seat more than 16 or more persons, including the driver.

That has air brakes.

That is designed to carry more than nine passengers.

14 / 40

Select the vehicle that off-tracks the most.

a 5-axle tractor that is towing a 32-foot long trailer

a 5-axle tractor that is towing a 52-foot long trailer

a 5-axle tractor that is towing a 40-foot long trailer

a 5-axle tractor that is towing a 45-foot long trailer

15 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

16 / 40

The best way to have control on curves is:

you do not need to do anything different

to shift to a lower gear before entering the curve

keep pressure on the brake pedal through the turn

to decrease to your safe speed before entering the curve and then accelerate through it

17 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

determine if there are any hills coming up

look for brake lights from slowing vehicles

look for vehicles coming into your lane

determine if there are any upcoming traffic lights that might require you to stop

18 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

in a closed position

in a 1/3 open position

in a halfway closed position

in an open position

19 / 40

Some school busses are marked with the LNG placard. What does LNG stand for?

Low-range pneumatic gearbox.

Liquified natural gas.

None of these answers are correct.

Lifted neutral graftring.

20 / 40

What is a technical name?

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

The medical term for hazardous materials used by medical personnel.

The name for a hazardous material most commonly used on the street.

21 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

Explosives A and B

Corrosives and oxidizers

Acids and poisons

Liquids

22 / 40

Select the action that is not appropriate when driving on slippery roads:

use a speed retarder or engine brake

none of the answers listed

avoid having traffic in your side space

use a light pressure on the brake and accelerator pedals

23 / 40

Upon what does the amount of liquid you can carry in a load depend?

The amount of expansion that will occur.

The legal weight limits.

All of the answers listed.

The weight of it.

24 / 40

A tank trailer should never be fully loaded due to:

The will be more shifting of the load.

The baffles aren't as effective.

The movement is stronger.

The liquid can expand causing a leak from the trailer.

25 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

false

true

only at the end of a shift

only in a level loading dock

26 / 40

Where are shut off valves located on trailers that are doubles or triples?

on emergency and service air lines

on service air lines

on parking brake lines

on emergency air lines

27 / 40

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

Loaded in an upright or horizontal position.

All of these answers are correct.

In boxes that will keep them from turning over.

Loaded into racks attached to the vehicle.

28 / 40

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

The entire area to the rear of the mirror along the side of the bus.

The children's exit path out of the main bus door.

The rear right and left tires touching the ground as well as 200 feet behind the bus.

The passenger area inside the bus.

29 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

May never be left unattended under any condition.

May never be parked on private property.

May be left unattended in a safe haven.

May not be parked on the cosignee's property.

30 / 40

Why should you test the tractor protection valve?

to avoid loss of air from the air hose

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

to avoid loss of air from the trailer brakes

all answers listed

31 / 40

You should_____to uncouple the converter dolly.

chock the wheels, lower the landing gear, and disconnect the safey chains

lower the landing gear, disconnect the safety chain, and chock the wheels

chock the wheels, disconnect the safety chains, and then lower the landing gear

disconnect the safey chains, lower the landing gear, and chock the wheels

32 / 40

____is the most common type of foundation brakes used by heavy vehicles.

S-Cam drum

Rectangle brakes

Wedge drum

None of the answers listed

33 / 40

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

A placarded cargo tank.

None of these answers are correct.

Two or more trailers.

A 200 inch wheelbase trailer.

34 / 40

Select the true statement:

A "bobtail" tractor will take longer to stop than a combination vehicle that is fully loaded down to the maximum weight.

None of the answers listed.

Wait as long as possible to brake when driving a heavy vehicle.

Lighter vehicles requiring more braking power to stop compared to heavier vehicles.

35 / 40

If there is no traffic light or attendant, how far from the draw of a drawbridge must you stop?

50 feet

30 feet

5 feet

100 feet

36 / 40

Why are you required to take an exam about air brakes?

you would have to get a CDL with a restriction otherwise

all trucks have air brakes

it is a federal requirement

you cannot receive a CDL at all otherwise

37 / 40

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

the tractor will not be able to move

there will not be air going to the trailer brakes

the tractor brakes will lock up

nothing will occur, it'll funciton as normal

38 / 40

What position should the tractor protection control valve be in after coupling?

mid position

raised

normal

lowered

39 / 40

Which of the following statements about the bus interior is false?

The seats must be safe for riders all seats must be securely fastened to the bus.

If you use your outside lights, you don't need to turn on red emergency door light.

If there is a red emergency door light, it must work.

Never drive with an open emergency exit door or window.

40 / 40

Which of the following statements about downshifting is NOT true?

downshift before climbing a hill

downshift before starting down a hill

downshift before entering a curve

downshift when you get to the bottom of a hill

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