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

When driving with multiple trailers, which one should be right behind the tractor?

the trailers shortest in length

the trailer with the smallest road

the trailer longest in length

the trailer with the heaviest load

2 / 40

Air pressure should build___with a dual air system.

from 70 to 125 psi in 60 seconds

from 50 to 80 psi in 60 seconds

from 85 to 100 psi in 45 seconds

from 60 to 100 psi in 45 seconds

3 / 40

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

crank the engine brake

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

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

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

4 / 40

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

Because the cargo has a high density.

Because the cargo has a high center of gravity.

Because the cargo has a low center of gravity.

Because of the high friction point.

5 / 40

The floor liner for explosives may not:

Contain nails or screws.

Contain steel or iron.

Contain cracks or holes.

Contain any of these materials.

6 / 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

there is nothing to be hooked up

the safety bar

7 / 40

Anti-lock brakes:

Work only when you activate in-cab switch.

Lengthen stopping distance.

Keep your wheels from locking during hard brake application.

Are not available in mosst busses.

8 / 40

To decide which placards you need, if any, what three things do you need to know?

Materials hazard class, location being shipped, and amount of all hazardous materials on your vehicle.

Materials hazard class, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Packing group numbers, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, percentage of total volume, and amount of all hazardous materials on your vehicle.

9 / 40

These tires should have a minimum tread depth of 4/32 inches.

Donut tires

Non-steering axle tires

Steering axle tires

Drive axle tires

10 / 40

When transporting hazardous waste, you must:

Sign a uniform hazardous waste manifest.

All of these answers are correct.

Have the word "waste" before the name of the material on the bills.

Carry a uniform hazardous waste manifest in the truck.

11 / 40

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

making sure that cargo is properly secured

recognizing possible overloads

ensuring the freshness of sealed cargo

inspecting the cargo

12 / 40

What is the best way to see the sides and rear of your vehicle?

rear view cameras

a helper

all of these answers are correct

your mirrors

13 / 40

Select the true statement about baffled tankers:

None of the answers listed.

It has hollow balls in it to slow the motion of the liquid in the trailer.

It has walls with holes inside for liquid to flow through.

It has separate tanks.

14 / 40

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

The owner's puco or icc number.

The chemtrec phone number.

The date of manufacture.

The un or na id number of the product.

15 / 40

To test the security of the tractor semi trailer connection you should:

look at it carefully after pulling forward gently in a low gear against the locked trailer brakes

with the trailer brakes locked, rock the trailer back and forth

you don't need to check it

put the tractor in a high gear and quickly pull ahead

16 / 40

What should the driver pay special attention to when driving smaller tanks?

The high center of gravity.

The distrubition of weight.

The level of the fluid.

All answers listed.

17 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

go ahead and couple it

make sure the trailer won't roll when coupling

disconnect the air supply lines after supplying air to the trailer air system via the tractor

have the trailer electric cord to a generator so it can supply braking power

18 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

the rig will slide sideways but stay in a straight line

nothing will occur

there will be a trailer jackknife

no matter how you turn the steering wheel, the rig will continue in a straight line

19 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

tailgating

defensive driving

aggressive driving

road rage

20 / 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 leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

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

21 / 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

22 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

23 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

about 12-15 seconds

about 1 block for city driving

about 5 car lengths on the highway

about 1/4 mile for open highway driving

24 / 40

When backing, what is the best method to use to avoid blind spots?

use a helper

look at your path

use mirrors on both sides

back towards the driver's side, where you can see better

25 / 40

You should expect____when backing a tractor under a trailer.

the trailer to lift slightly

the end of the kingpin to be level with the top of the fifth wheel

the trailer to be completely still

the trailer landing gear to be fully extended

26 / 40

To maintain alertness during the trip, drivers should:

all of these answers are correct

avoid medications that cause drowsiness

schedule trips during the daytime hours

get 8-9 hours of sleep

27 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

28 / 40

How should you know when to shift?

engine speed and the shift indicator light

every 3 to 5 seconds or engine speed

road speed and wind speed

engine speed and road speed

29 / 40

The front trailer supports should be____before driving away.

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

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

raised fully and the crank handle secured in its bracket

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

30 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

none of the answers listed

the service brakes will move to a fully applied position

the emergency air line will release air

you should hear air escape from the open valve

31 / 40

To find out if a shipment includes a hazardous material, you should:

Ask the driver.

Check for a fence around the loading dock.

Open and inspect every package and container.

Look at the shipping papers.

32 / 40

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

it depends on the adjustment of the service brakes

braking power can only be tested by licensed mechanics

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

the braking prower increases when the brakes are hot

33 / 40

When accelerating:

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

"hammer down" when your wheels start to spin

always use the parking brake to slow down

speed up smoothly and gradually and avoid jerking

34 / 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 should not be done

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

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

35 / 40

What are the three types of emergency equipment that you must have with your vehicle?

none of these answers are correct

fire extinguisher, spare electrical fuses, warning devices for parked vehicles

warning devices for parked vehicles, first aid kit, flares

first aid kit, fire extinguisher, flares

36 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

Class 3—flammable liquids

Class 7—radioactive materials

Class 1—explosives

Class 4—live chickens

37 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

Flammable gases

Poisons

Explosives

Flammable liquids

38 / 40

A safe haven is:

A place to stay once you have reported your company for illegal activity.

A place where it is safe to dump any kind of hazardous materials.

A place that has been approved to park unattended vehicles carrying explosives.

The slang term for the last stop at the end of your driving day when carrying hazardous materials.

39 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the trailer pushes the towed vehicle sideways

when the tractor brakes lock up

when the trailer slides to the right into the shoulder

when the tractor spins around

40 / 40

Why is understanding the loading and unloading procedures so critical?

Because only high school students understand how to cross the road.

Because school district officials have the authority to conduct surprise quizzes and you must know the correct answers to keep your job.

Because motorists ignore students walking to school.

Because many students are killed while getting on and off a school bus each year.

Your score is

The average score is 0%

4.5/5 - (2 votes)

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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