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

Which of these is a good rule for backing a straight bus?

Use your head as the mirrors are unreliable.

Back toward the side opposite the driver.

Back quickly while no one is coming.

Back and turn toward the driver's side.

2 / 40

What is the most important reason for doing a vehicle inspection?

federal and state laws require you to inspect your vehicle

safety for yourself and other road users

to save you money by preventing costly repairs

to insure that you will achieve the best gas mileage

3 / 40

By law, the warning lights must only be used when approaching a:

Busy intersection.

Sharp turns.

Any stop the bus makes.

Stop to load or unload students.

4 / 40

Select the true statement in regards to the braking power of spring brakes.

it will not be affect by the condition of the service brakes

braking power can only be tested by licensed mechanics

it depends on the adjustment of the service brakes

the braking prower increases when the brakes are hot

5 / 40

The brake pushrod should not move more than____for manual slack adjusters.

checking is not required in vehicles built after 1994 as they have automatic slack adjusters

1-2 inches while the brakes are set

movement is not allowed

an inch when pulled by hand with the brakes released

6 / 40

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

never

whever you feel like it

when it is raining

in ideal conditions

7 / 40

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

In an upwind direction.

Any more than 500 feet.

Any more that 450 feet.

Any more than safety required.

8 / 40

Why should you use chocks when parking a trailer without spring brakes?

the trailer wheels are free to turn as there will be no emergency brakes should the air supply in the trailer air tank leak

to prevent a runaway trailer

the trailer wheels are free to turn as there will be no service brakes should the air supply in the trailer air tank leak

to prevent someone from stealing the vehicle

9 / 40

This gauge has a governor cut-off.

The ammeter gauge

Oil pressure gauge

Air gauge

The coolant temperature gauge

10 / 40

You should have the fifth wheel plate greased as recommened because:

it will prevent steering problems

it will ensure a good electrical connection

it will reduce noise and heat

it will ensure a good air line connection

11 / 40

When should you check your mirrors for a lane change?

Right after starting the lane change.

After completing the lane change.

Before and after signaling the change.

All of these answers are correct.

12 / 40

You must first______to supply air to the trailer.

pull out the tractor protection valve

push in the tractor protection valve

cross the air lines to check for the presence of leaks

turn off the engine so you can hear the brakes

13 / 40

To prevent a roll over a driver can 1) keep the cargo as low to the ground as possible and 2) _____.

have the brakes properly adjusted

have the fifth wheel's free play as tight as possible

take turns slowly

drive while intoxicated

14 / 40

Shifting into a lower gear and removing your foot off of the accelerator to slow your vehicle is known as?

double clutching

engine braking

brake fade

anti-lock braking

15 / 40

The best way to describe a dual air brake system is:

all of these answers are correct

there are 2 separate air brake systems that have their own hoses, lines etc

there is a primary and secondary system that is 2 separate air brake systems

there are 2 separate air brake systems that supply air to the trailer if there is one

16 / 40

Select the false statement about tractor protection valves.

the trailer air supply valve in the cab controls it

should the trailer air leak, it keeps the air in the tractor

air is allowed to leak from the tractor line when it is closed

if the air pressure is low it will automatically close

17 / 40

For emergency braking to avoid a crash when driving a double trailer you should:

do stab or controlled braking

none of the answers listed

use the trailer brakes only

slam down the brake pedal and keep pressure on it

18 / 40

You should_____to uncouple the converter dolly.

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

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

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

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

19 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

0.65

0.72

0.85

0.5

20 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

Drop arm

Landing gear

Release arm

Lifts/doors/tires

21 / 40

Commerical vehicles typically have this type of brake.

rectangle brakes

stab brakes

S-Cam brakes

drum brakes

22 / 40

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

high center of gravity

too much weight on the steering axles

under loaded front axles

too little weight on the driving axles

23 / 40

When there is a hazardous materials emergency. You should:

Prevent smoking and keep open flames away.

All of these answers are correct.

Contact emergency authorities.

Keep people away and warn them of the danger.

24 / 40

Select the two things that are important in preventing a rollover:

drive slowly around turns and keep the center of gravity of the cargo as high as possible

the length and weight of the vehicle

maintaining properly inflated tires and an even load on the trailer

drive slowly around turns and keep the cargo as close to the ground as possible

25 / 40

Which of the following statements about loading and unloading cargo tanks is false?

The person attending the tanker must have a clear view of it.

The person in attendance must be aware of the danger.

The person in attendance must be within 50 ft of the tanker.

The person in attendance must be authorized and able to move the vehicle.

26 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

Driving with bad tires.

Driving too fast.

Driving on a wet surface.

Driving in the mountains.

27 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

Hazardous waste manifest.

List of hazardous materials and reportable quantities.

Hazardous materials table.

Segregation and separation chart.

28 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

To make sure the electrical connections are good.

To prevent any steering problems.

To make sure that uncoupling easier.

To decease heat and noise.

29 / 40

Some city transit buses may have a brake-door interlock system, this system:

Should be used in place of the parking brake.

Releases the brakes.

Works when the rear door is open.

Should be used in emergencies.

30 / 40

Cargo tanks ____.

are tanks that the military uses to transport hazardous materials

are large drums temporarily attached to a vehicle

are bulk packagings permanently attached to a vehicle

are large drums used to contain hazmat that is loaded on a trailer

31 / 40

What is the next step after securing the bus when you have an unruly child on board?

Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you.

Remove the student from the vehilce for the safety of the other children.

Call school administrator or the police to remove the student.

Unload the student at the next stop.

32 / 40

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

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

To check for flat tires.

To give the mechanic something to do.

To assist the school principal with their report.

33 / 40

You must be alert for road hazards so that:

You will have time to plan your escape if the hazard becomes an emergency.

You can help impaired drivers.

Law enforcement personnel can be called.

Accident reports will be accurate.

34 / 40

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

it could damage the starting mechanism

someone could steal the truck

someone could start and move the truck

all of these answers are correct

35 / 40

Select the statement that is true in regards to managing space to the sides.

you should try to avoid driving next to others when possible

high gust winds do not cause any issues for triples and doubles

you should always keep your vehicle to the right side of the lane

all answers listed

36 / 40

Select the step that comes first:

connect the air supply lines

apply a firm pressure to the trailer brakes

shift into reverse

lower the landing gear

37 / 40

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

Yes

Never use a floor liner for any explosive class

Any type of floor liner is sufficient

38 / 40

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

The outage of the liquid.

The center of gravity.

The material the baffles are made from.

The vehicle's horsepower rating.

39 / 40

The front trailer supports should be____before driving away.

raised fully and the crank handle secured in its bracket

3 turns down from the top and the crank handle secured in its bracket

raised 1/2 way with the crank handle secured in its bracket

raised 1/3 of the way with the crank handle secured in its bracket

40 / 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

the safety bar

there is nothing to be hooked up

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