maine
CDL Practice Test

Welcome to the Maine CDL practice test site. Questions on these practice tests are designed to mirror those that are found on the Maine CDL test. These tests are complimentary and you may take them as many times as you would like. 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 Quiz" button below to begin.

1 / 40

Select which is not an engine compartement belt:

A power steering belt

An air compressor belt

A safety belt

A water pump belt

2 / 40

What handling effect should you expect when your tank has baffles?

There will not be as much side to side surge compared to a tank without baffles.

There will not be as much front to back surge compared to a tank without baffles.

There is no difference in handling when you have baffles.

The surge will be slower than a tank without baffles.

3 / 40

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

Low-range pneumatic gearbox.

None of these answers are correct.

Lifted neutral graftring.

Liquified natural gas.

4 / 40

Signs of distracted drivers include:

drivers having conversations with passengers

vehicles exiting the roadway

individuals driving at a consistent speed above the speed limit

individuals listening to music too loudly

5 / 40

A placard is required for a combustible liquid at?

1,001 pounds or more

Any amount

110 gallons

100 gallons

6 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

The proper shipping name.

The hazard class.

The identification number.

The box number.

7 / 40

The minimum tire tread depth for front tires is:

1/2-inch

1/32-inch

4/32-inch

3/8-inch

8 / 40

You must carry a gas mask with you when transporting:

Poison

Liquid gas

Flammable materials

Chlorine

9 / 40

Which of the following types of cargo must never be carried on a bus with passengers?

Small arms ammunition (orm-d)

Tear gas

Emergency hospital supplies

Emergency drug shipments

10 / 40

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

In boxes that will keep them from turning over.

Loaded into racks attached to the vehicle.

Loaded in an upright or horizontal position.

All of these answers are correct.

11 / 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.

12 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

you will have brakes that are not operational

you will be unable to release the tractor brakes

you will be unable to realse the trailer brakes

there is no way to know if there is an issue

13 / 40

At what "cut out" level does the governor stop pumping air?

100 psi

150 psi

75 psi

125 psi

14 / 40

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

above the locking lever

threaded through the locking lever

sticking straight up

below the locking lever

15 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

6 psi a minute

3 psi a minute

5 psi a minute

2 psi a minute

16 / 40

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

there will not be air going to the trailer brakes

nothing will occur, it'll funciton as normal

the tractor will not be able to move

the tractor brakes will lock up

17 / 40

Select the statement that best describes what the trailer air supply control does:

when pushed in it supplies the tractor with air and when pulled out it supplies the trailer with air

when pulled out it supplies the trailer with air and when pushed in it shuts off the air and puts on the trailer emergency brakes

when pushed in it supplies the trailer with air and when you pull it out it shuts off the air supply and puts on the trailer emergency brakes

when pushed it it supplies the trailer with air and when pulled out it supplies the tractor with air

18 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

Getting off the bus would be unsafe.

Bus is on a drawbridge.

You are also a class a tow truck driver.

Your employer tells you to.

19 / 40

Never refuel your bus:

With any of the windows open.

Without a static chain.

In a closed building with passengers on board.

With a higher grade of fuel.

20 / 40

You should back up slowly until____when coupling the trailer.

the fifth wheel has just touched the trailer

the rear wheels are visible in the mirror

the cargo inside the trailer shifts

the tractor comes in contact with the front of the trailer

21 / 40

A truck with baffles will handle:

None of the answers listed.

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

The same as a tanker with no baffles.

Heavier that it actually is.

22 / 40

You need to be extra careful when driving smooth bore tanks:

When unloading or loading.

When hauling food or milk products.

All answers listed.

When stopping or starting.

23 / 40

The shipping papers for hazardous materials can be found:

In clear view, within reach while driving.

Any of the above locations.

On the driver's seat when out of the vehicle.

In a pouch on the driver's door.

24 / 40

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

raised

lowered

normal

mid position

25 / 40

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

none of the answers listed

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

the lines are hotter

longer reaction time

26 / 40

To transport cargo safely, which of these are you NOT responsible for?

ensuring the freshness of sealed cargo

inspecting the cargo

making sure that cargo is properly secured

recognizing possible overloads

27 / 40

Select the false statement about tractor protection valves.

if the air pressure is low it will automatically close

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

the trailer air supply valve in the cab controls it

28 / 40

Select the true statement about dual air brake systems.

there is a primary system and a secondary system

there is a single set of brake controls

all of these answers are correct

one system controls the front axle and the other controls the rear axle

29 / 40

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

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

It is ok to smoke anywhere.

All hazard classes.

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

30 / 40

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

May not be parked on the cosignee's property.

May never be left unattended under any condition.

May be left unattended in a safe haven.

May never be parked on private property.

31 / 40

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

all vehicles built after 2010

they are optional

all operating vehicles with air brakes

all vehicles built after 2005

32 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

about 100 feet in front of your vehicle

within 10 feet of the front or rear corners

on the other side of a divided highway

about 100 feet behind your vehicle

33 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

drive with extra care in mountains and in bad weather

none of the answers listed

all of the answers listed

increase your following distance

34 / 40

When using turn signals, which of the following should be avoided?

signal just before you start to make a turn

signal before you exit

signal when you want to change lanes

signal when you are merging into traffic

35 / 40

Wet brakes can cause _____.

lack of braking power

pulling to one side or the other

brakes to apply unevenly

all of these answers are correct

36 / 40

Which of the following statements is FALSE:

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

Do not transport intoxicated passengers.

Do not talk with riders or engage in any other distracting activity while driving.

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

37 / 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.

There is a traffic light showing green.

Both of these answers are correct.

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

38 / 40

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

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

An automatic failure of the vehicle inspection test.

None of the answers listed.

A deduction of 15 points.

39 / 40

What is the best way to stop all skids?

restore traction back to the tires

quickly turn the steering wheel side to side

use controlled or stab braking

accelerate and countersteer

40 / 40

Which of the following statements about downshifting is NOT true?

downshift before entering a curve

downshift before starting down a hill

downshift when you get to the bottom of a hill

downshift before climbing a hill

Your score is

The average score is 0%

4.5/5 - (2 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get A maine Commercial Drivers License

Applicants can apply for their CDL at the age of 21 years old. Those who are between the ages of 18 years old and 21 years old can apply for a CDL with some restrictions. These drivers cannot possess a HazMat Endorsement, drive doubles or triples, or drive out of the state of Maine. All applicants for a Maine CDL must possess a Medical Examiner’s Certificate or DOT medical card.

Any of the following instances will disqualify a driver from obtaining their CDL in the state of Maine.

Having a currently suspended, denied, canceled, or revoked driver’s license.
Having more than one driver’s license from multiple states.
Being convicted of driving impaired in a commercial vehicle 24 months prior to applying.
Having CDL driving privileges revoked in another state.

Applicants applying for a Maine CDL must successfully complete the necessary knowledge and skills test to receive their new driving privileges.

Endorsements
H – Hazardous Materials
N – Tank Vehicles
P – Passenger Transport
T – Doubles / Triples
X – HazMat and Tank Vehicles
L – Air Brakes
S – School Bus

Hit the Open Road

maine CDL License Test Tips

To obtain a Maine CDL and any special endorsements individuals must take one or more knowledge tests. To get a Class A, B, and C commercial driver’s license you must pass a 50 question general knowledge test relating to commercial driving. Class A applicants will need to answer an additional 20 questions about combination driving. When an applicant is seeking endorsements, they will be required to complete one additional knowledge test per endorsement. Tank Vehicle, Doubles, Triples, and Passenger Endorsements all have 20 questions assessments. School Bus Endorsements and Air Brake Restriction Removals require a 25 question test.

Once an applicant passes all necessary knowledge tests, they will be required to complete a skills test. This tests the applicant’s knowledge of hands on driving experience, vehicle inspection, and basic vehicle control. All applicants applying for Passenger Transport and School Bus Endorsements as well as removal of the Air Brakes Restriction must pass an additional skills test.

Additional Information

Information on the Maine Secretary of State Bureau of Motor Vehicles

The Maine Bureau of Motor Vehicles provides the oversight and administration of CDL requirements in Maine. To get more information contact them via:

Website: https://www.maine.gov/sos/bmv/commercial/index.html

Phone: 207.624.9000

Additional Maine CDL Helpful Links

Please use the links below to access more valuable Maine CDL testing resources and to learn more about practice driving tests for the state of Maine.

maine CDL Practice Test