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 is the reason that placards are used?

communicate the risk

to prevent terrorism

it is the law

so hazmat is not mixed with food

2 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Air coolant system

Windshield fluid line

Fuel tank

Exhaust system

3 / 40

Surge affects the handling of a tanker by:

None of the answers listed.

Allowing you to take tighter turns.

Moving the truck in the direction the liquid flows in.

Increasing the wind drag.

4 / 40

Select the true statement about what the Air Compressor Governor controls:

it controls when air is released from the storage tank

it controls when the brakes will be applied

it controls when the air compressor pumps air into the storage tanks

it controls when the warning system is activated

5 / 40

Do empty trucks have the best braking?

yes

yes, but only if the truck is newer than 1998

yes, but only on wet surfaces

6 / 40

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

30-75 psi

This is engine-specific

40-60 psi

20-30 psi

7 / 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

all answers listed

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

the center of the kingpin is past the locking jaw

8 / 40

You must be alert for road hazards so that:

Law enforcement personnel can be called.

You can help impaired drivers.

Accident reports will be accurate.

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

9 / 40

In Column 1 the symbol "I" means:

Iodine.

International restrictions.

Invalid substance.

International transportation.

10 / 40

Select the vehicle that off-tracks the most.

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

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

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

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

11 / 40

A driver of a tanker should use an escape ramp when _____.

only when it's raining

when the tanks has bulkheads

only in ideal conditions

the vehicle has lost braking power

12 / 40

Commerical vehicles typically have this type of brake.

drum brakes

rectangle brakes

stab brakes

S-Cam brakes

13 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

In order to observe the danger zones around the bus.

In order to see if small vehicles are driving in the bus blind spots.

In order to clear up blind spots around the bus.

In order to observe the danger zones around the bus and look for the students, traffic, and other objects in this area.

14 / 40

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

Must not be recapped, but can be regrooved.

Must not have recapped or regrooved tires.

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

Can be recapped, but never regrooved.

15 / 40

A shipper’s certification is best described as _____.

a paper certification given to the manufacturer from the shipper

a certification that the package has been prepared according to the rules when the shipper packages hazardous materials

a test for shippers that certifies that they are qualified to package hazardous materials

a paper certification from the manufacturer given to the shipper

16 / 40

Take extra caution when driving smooth bore tanks during:

Stops and starts.

All answers listed.

Drive down or up an incline.

Driving into the wind.

17 / 40

A tank trailer should never be fully loaded due to:

The movement is stronger.

The will be more shifting of the load.

The baffles aren't as effective.

The liquid can expand causing a leak from the trailer.

18 / 40

You should_____when the low pressure warning is activated:

pump the brake pedal to come to a stop immediately

maintain highway speed and keep an eye on your air pressure gauge

wait until the air brakes kick in automatically

come to a safe stop while you still have control of the brakes

19 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

you should remove one from the red air line to use as a temporary replacement

there may be an emergency line air leak

there may be a service line air leak

it is not a big problem

20 / 40

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

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

200 feet behind the bus.

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

The right and left front tires touching the ground.

21 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

A leaking line or hose

All of these answers are correct

A leak from the engine

Problems with the water pump

22 / 40

What color are all school buses painted?

Florescent yellow.

National school bus yellow.

Orange yellow.

The individual district decides the exact color.

23 / 40

Overhead inside mirror is used to:

See the blind spot immediately behind the bus.

See all of the students.

Monitor traffic that approaches and enters the blind spot area.

See the area where students exit the bus.

24 / 40

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

it prevents the brakes from failing

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

it is connected to the generator

when accelerating it releases air

25 / 40

The reason a bulk liquid tanker is hard to handle is:

Because of the high friction point.

Because the cargo has a high density.

Because the cargo has a low center of gravity.

Because the cargo has a high center of gravity.

26 / 40

What handling effect will baffles have?

None of the answers listed.

There will be less of surging front to back.

There will be an increase in slow surge.

There will be less side to side surging.

27 / 40

If you are stopped on an incline, how can you start moving without rolling back?

fully engage the clutch

aggressively pump the accelerator

apply the parking brake

shift to neutral

28 / 40

The method used to make sure the spring brakes will come on automatically is to:

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure drops to 120 psi.

Apply pressure on and off the brake pedal to decrease the air tank pressure while driving at a high a speed. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to increase the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

29 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

The danger of surge and the high center of gravity.

The chance of rollover and of spontaneous combustion.

None of the answers listed.

The danger of surge and the low center of gravity.

30 / 40

When should air tanks be drained?

every 7 days

at every restroom break stop

at the end of each working day

they don't need to be drained

31 / 40

Buses may NOT have recapped or regrooved tires:

Anywhere except on the front wheels.

On front wheels.

On the outside rear wheels.

When it's been raining.

32 / 40

An air system that is fully charged will typically have ___ psi of pressure.

125

250

200

33 / 40

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

movement is not allowed

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

an inch when pulled by hand with the brakes released

1-2 inches while the brakes are set

34 / 40

What does outage mean?

It is the allowance needed for the expansion of liquid.

It is the weight of the liquid.

It is the movement of the liquid.

It is how quickly the tanks drain.

35 / 40

You should follow the posted speed limits for curves and be aware of:

The posted speed limit may be too high for safety.

The higher center of gravity on a tank truck.

A rollover may occur even when driving at the posted speed limit.

All answers listed.

36 / 40

Which of the following is a reason to evacuate the school bus?

The bus is stalled on a rail road track, but there is no train in sight.

The bus abs warning light is on.

The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside.

A child set off a stink bomb inside the bus.

37 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

none of the answers listed

engine brake system

service brake system

lock brake system

38 / 40

It is good practice to_____when uncoupling.

make sure the electrical cable is hanging with the plug end down

all answers are appropriate

have the glad hands coupled to the dummy couplers

have the glad hands coupled together

39 / 40

How do you check the coolant level?

Inspect the reservoir sight glass or remove the radiator cap if the engine isn't hot.

While wearing rubber gloves and safety glasses.

None of the answers listed.

Remove the radiator cap once it is at operating temperature.

40 / 40

Select the true statement in regards to converter dollies:

they typically require a hand converter

they typically do not have spring brakes

they typically have small braking power because of their size

they typically have a lot of stopping power because of their size

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