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

What is always required before loading, driving, or unloading a tanker?

Registration of driving plan

Clean the vehicle

An inspection

Shift into park

2 / 40

What do you need to do to supply air to the air tanks of the second trailer?

open up the shutt off valves on the rear of the first trailer and close the shut off valve at the back of the second trailer

close the shut off valves at the back of each trailer

none of the answers listed

open the shut off valve at the back of both trailers

3 / 40

An "A/W" the first column of the hazardous materials table means:

This material is only restricted when shipped by air and/or water.

It is ok to ship this material by air only.

This material has no restrictions when shipped by air and/or water.

There is no restrictions with this material if shipped by water only.

4 / 40

An example of a low pressure warning signal for air brakes is:

a buzzer

all of these answers are correct

a wig wag mechanical arm

red light

5 / 40

How often should you check the cargo you are transporting?

within the first 50 miles after beginning a trip

all of these answers are correct

every 150 miles or every three hours

after every break you take during driving

6 / 40

When driving normally, some drivers use the hand valve before applying the brake pedal to prevent jack knifing. Select the most appropriate response to this statement.

it is the best possible way to brake and maintain the truck in a straight path

it will result in less skidding than when just using the brake pedal alone

it should not be done

should be used with caution and only if you are aware of the dangers

7 / 40

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

To check for flat tires.

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

To assist the school principal with their report.

To give the mechanic something to do.

8 / 40

How do you release the dolly brakes when coupling twin trailers?

by flushing the brake line

by charging the air line

by opening the air tank petcock

by opening the shut off valve

9 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

open at the rear of the last trailer and front trailer

none of the answers listed

closed at the rear of the last trailer and front trailer

closed at the rear of the last trailer and open at the rear of the front trailer

10 / 40

If you are required to stop at railroad crossings, you must:

Proceed only when you are sure no train is coming.

All of these answers are correct.

Remember to never shift gears while crossing tracks.

Stop 15 to 50 feet before the nearest rail.

11 / 40

Why does it take special skills to haul a tank vehicle?

There is a high center of gravity.

All of the answers listed.

It is top heavy.

The weight of the load is high up off the road.

12 / 40

When inspecting your bus, you must make sure that:

Emergency exit handles are secure.

Rider signaling devices are working.

Every handhold and railing is secure.

All of these answers are correct.

13 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

at a distance of 1 second for every 15 feet of your vehicle length

at a distance of 1 second for every 5 feet of your vehicle length

at a distance of 1 seconds for every 10 feet of your vehicle length

as close as possible so other drivers won't cut in front of you

14 / 40

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

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

all of these answers are correct

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

15 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Not allow the rider to do it.

Put the materials in the bus's "safe box".

Have the rider pay a second fare.

Instruct the rider to sit next to an open window.

16 / 40

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

When stopping or starting.

All answers listed.

When hauling food or milk products.

When unloading or loading.

17 / 40

When there is a hazardous materials emergency. You should:

All of these answers are correct.

Prevent smoking and keep open flames away.

Keep people away and warn them of the danger.

Contact emergency authorities.

18 / 40

When transporting both hazardous and non hazardous materials, your bills must:

Describe the hazardous materials first.

Have the hazardous materials highlighted.

Identify the materials by the letter x or rq in the hm column.

Any one of the above.

19 / 40

Select the correct setup for shut-off valves:

the rear shut-off valves are closed and the front trailer valves are open

the front and back shut-off valves are closed

the front shut-off valves are closed and the rear trailer valves are open

the front and back shut-off valves are open

20 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

It can occur even with baffles inside that slow the flow.

All answers listed.

It can occur when driving through a curve.

It can occur even when driving at the posted speed limit.

21 / 40

Play of the steering wheel should not exceed:

15 degrees

5 degrees

30 degrees

10 degrees

22 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about two car lengths

about two truck lengths

about 1/4 mile

about the length of a football field or 100 yards

23 / 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

yell loudly for the students to sit down and behave themselves

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

have the unruly students move to the front of the bus

24 / 40

Wet brakes can cause _____.

all of these answers are correct

pulling to one side or the other

lack of braking power

brakes to apply unevenly

25 / 40

Bus drivers must have a commercial driver license if they drive a vehicle designed to seat more than:

20 or more persons, excluding the driver.

10 or more persons, including the driver.

16 or more persons, including the driver.

15 or more persons, including the driver.

26 / 40

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

take turns slowly

have the brakes properly adjusted

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

drive while intoxicated

27 / 40

What might happen if you swing wide to the left before you turn right?

someone might try to pass you on your left

someone might try to pass you on your right

all of these answers are correct

you might damage your leaf springs

28 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least twenty feet

At least half a mile

At least ten feet

At least five feet

29 / 40

Which of the following statements about special danger of loading and unloading is true?

Students should be told to remain seated while the bus is in motion.

Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

Students should be told to pick up any dropped objects as long as it is not under the bus.

Students should be told to leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

30 / 40

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

Never use a floor liner for any explosive class

Yes

Any type of floor liner is sufficient

31 / 40

When driving in very hot temperatures, you should:

let your tires cool down (remain stopped) if they are too hot to touch

insure that you have enough antifreeze in the system

check your tires every 2 hours or every 100 miles

all of these answers are correct

32 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

continue on with your trip

stop and safely park your vehicle only continue once the issue has been resolved

decrease your speed and test the other system

decrease your speed and head to the closest mechanic

33 / 40

What are slack adjusters?

they are between the S-Cam on drum brakes and the push rod

they are a part of the air brake system that adjusts the brakes

they are between the push rod on disc brakes and power screw

all of these answers are correct

34 / 40

What is the purpose of a baffle?

It makes it easier to clean the tanker out.

It stops side to side surging.

It controls the surge of liquid forward and backwards.

It allows you to haul loads that are mixed.

35 / 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?

20 psi

They should never pop out

40 psi

70 psi

36 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

the heaviest trailer

the first trailer of a triples

the last trailer of a double

the last trailer of a triple

37 / 40

Which of the following is the proper definition of a cargo tank?

A bulk container which can be securely affixed to a vehicle.

A bulk container not permanently attached to a vehicle.

A bulk container permanently attached to a vehicle.

None of these answers are correct.

38 / 40

Air tanks should be drained:

to prevent sludge from clogginng up the brake system valves

manually when the automatic devices fail

at the end of each shift or day

all of these answers are correct

39 / 40

Select how brakes work on long, steep downgrades:

it does not do anything

it is the main braking mechanism

it's the main braking mechanism with the engine braking system available for emergency situations

they are a supplement to the braking effect of the engine

40 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

pull the tractor at a sharp right to release the trailer brakes

pull forward 25 feet, turn to the right, and then to the left

pull forward 25 feet, turn to the left, and then to the right

pull the tractor ahead gently with the trailer brakes locked down

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

CDL Category Practice Tests

CDL Practice Test

How To Get A maine Commercial Drivers License

Hit the Open Road

maine CDL License Test Tips

Additional Information

Information on the Maine Secretary of State Bureau of Motor Vehicles

Additional Maine CDL Helpful Links

maine
CDL Practice Test