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

Take extra caution when driving smooth bore tanks during:

Driving into the wind.

Stops and starts.

Drive down or up an incline.

All answers listed.

2 / 40

Cargo tanks are:

Bulk packaging temporarily attached to your vehicle.

Only made in one size.

Filled while they are off your vehicle, then attached for transportation.

Bulk packaging permanently attached to your vehicle.

3 / 40

Which of the following statements about bus evacuation is true?

If time allows, notify the police.

If time allows, backup to the stop before evacuating the bus.

If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed.

If time allows, walk through the bus and close all windows.

4 / 40

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

Because of uneven expansion.

Because of strong winds.

Because of the extreme weight.

Because of the movement of the liquid.

5 / 40

Why do air brakes take longer to stop than hydraulic brakes?

none of the answers listed

the lines are hotter

it takes more time for the air to flow through the lines

longer reaction time

6 / 40

When accelerating:

"hammer down" when your wheels start to spin

speed up smoothly and gradually and avoid jerking

always use the parking brake to slow down

do not engage the clutch before you take your foot off the brake

7 / 40

You must not allow riders to stand:

Between the wheel wells.

Within two feet of an emergency exit.

Within two feet of any window.

In front of the standee line.

8 / 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.

distracted driving

defensive driving

road rage

aggressive driving

9 / 40

You should check your mirrors while making a lane change:

after you signal your intent to change lanes

right after you start the lane change

all answers listed

after you have completed the lane change

10 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The date of manufacture.

The owner's puco or icc number.

The un or na id number of the product.

The chemtrec phone number.

11 / 40

To maintain alertness during the trip, drivers should:

get 8-9 hours of sleep

all of these answers are correct

avoid medications that cause drowsiness

schedule trips during the daytime hours

12 / 40

Which seats not securely fastened to the bus are usually allowed?

None of these answers are correct.

Any of the last row seats.

Window seats.

The driver's seat only.

13 / 40

It takes special care to drive tankers with liquid in them because:

The high center of gravity of the load.

The movement of the liquid even when the truck is stopped.

The baffles create odd rocking motions.

The low center of gravity of the load.

14 / 40

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

40-60 psi

This is engine-specific

20-30 psi

30-75 psi

15 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

Pintle hook

Locking pins

Rock jaw

Kingpin

16 / 40

On a drawbridge, you do not need to stop, but must slow down and make sure it's safe, when:

None of these answers are correct.

Both of these answers are correct.

The bridge has an attendant or traffic officer who controls traffic whenever the bridge opens.

There is a traffic light showing green.

17 / 40

Water is drained from the compressed air tanks because:

the water could freeze in cold weather and cause braking failure

to keep the oil in the air compressor clean

braking power is decreased due to the low boiling point of water

the water will over cool the compressor

18 / 40

After the initial drop, the maximum leakage rates per minute is:

6 psi for a combination vehicle and 5 psi for single vehicle

10 psi for combination vehicle and 5 psi for single vehicle

4 psi for a combination vehicle and 3 psi for a single vehicle

3 psi for combination vehicle and 1 psi for single vehicle

19 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

it releases too much air from the system

the trailer brakes will not be evenly applied

it should not be used on dry roads due to road conditions

it could cause the trailer to skid

20 / 40

How do you secure a second trailer to your combination vehicle?

use the emergency air brakes or the trailer's spring brakes only

none of the answers listed

use emergency air brakes, spring brakes, and wheel chocks together

use wheel chocks only

21 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

bias

dual

treaded

radial

22 / 40

Surge affects the handling of a tanker by:

None of the answers listed.

Allowing you to take tighter turns.

Increasing the wind drag.

Moving the truck in the direction the liquid flows in.

23 / 40

What does it mean when the safety valve releases air?

you need it to have it checked out by a mechanic because something is wrong

all of these answers are correct

pressure has passed 150 psi

there is too much air in the air compressor

24 / 40

To be sure that air is supplied to the second trailer:

while driving at 10 mph, use the hand valve. The vehicle should stop in the same distance of a single trailer moving at 5 mph

open the emergency line shut off at the back of the second trailer

crank the engine brake

keep an eye of the air gauge for a drop of 30 psi

25 / 40

The most stable tanker shape is:

Square

Elliptical

Round

Cylindrical

26 / 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 emergency line valve to release air

the service brakes more to a fully applied position

the engine brake to kick on

air leaving the open valve

27 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

The bounce absorbers

The brake chambers

The brake pushrod

The air lines

28 / 40

Suspension systems:

keep the load secure

keep the brake drums from failing

keep the steering wheel tight

keep the axles in place

29 / 40

Select the definition for outage:

It is loss of power to the headlights.

It is the process of liquid expansion as it becomes warm.

It is the liquid that must be drained off to meet legal carry limit.

It is how much power is lost to the hydraulics.

30 / 40

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

about 600 feet with is about two football field lengths

about 150 feet which is 1/2 of a football field

about 300 feet which is about a football field length

about 200 feet which is 2/3 of a football field

31 / 40

Select the part that is not a part of the drum brake:

axle

brake drum

slack adjuster

safety valve

32 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

Leave your truck parked with emergency lights on and walk for help.

Keep driving, slowly and cautiously, until you reach a phone.

Send someone for help with all the necessary information.

Keep driving for help as quickly as possible.

33 / 40

Which of the following parts do not get checked in the Bus Interior inspection:

Emergency exit handles.

Each hand-hold and railing.

Seat coverings.

Signaling devices, including the restroom emergency buzzer, if the bus has a restroom.

34 / 40

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

Back and turn toward the driver's side.

Use your head as the mirrors are unreliable.

Back quickly while no one is coming.

Back toward the side opposite the driver.

35 / 40

What product is typically carried in a liquid tank trailer without baffles?

Food or milk products.

Fuel.

Hydrogen peroxide.

Fertilizer.

36 / 40

What is a passive railway crossing?

The type of crossing, which does not have any type of traffic control device.

The type of crossing on which the driver does not have to stop.

The type of crossing with no cross buck sign.

The type of crossing where you can pass the tracks without stopping.

37 / 40

The most dangerous time during the school bus ride is:

When the students become unruly on the bus.

On long bus journeys.

When loading and unloading students.

Crossing railway crossing.

38 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

40 psi

20 psi

70 psi

They should never pop out

39 / 40

How many different hazard classes are there?

40 / 40

What is the safest way to stop unruly behavior on the bus?

pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them

keep checking the rear view mirror so you can see what happened and report to the principal

yell loudly for the students to sit down and behave themselves

have the unruly students move to the front of the bus

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