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

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

for small vehicles only

for large vehicles only

yes

2 / 40

What is the value of the overhead rear-view mirror inside of the bus?

To provide visibility directly in the back of the bus.

To monitor the driver's appearance.

To check blind spots.

To monitor passenger activity.

3 / 40

If your bus has an emergency exit door, it must:

All of these answers are correct.

Not have any signs, stickers, or markings anywhere near it.

Have a red electric door light turned on at all times.

Be closed when operating the bus.

4 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

Un marks

Name in italics

Descriptive name in roman print

Identification number

5 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

you should monitor the tractor and trailer as you decrease your speed to keep control

you should drive at a higher speed to keep the trailer in line

only use the braking that is necessary to safely stay in control of the vehicle

you should brake in the same manner regardless of what you are driving

6 / 40

Do empty trucks have the best braking?

yes

yes, but only on wet surfaces

yes, but only if the truck is newer than 1998

7 / 40

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

5 psi a minute

6 psi a minute

3 psi a minute

2 psi a minute

8 / 40

Select the true statement about retest markings:

All answers listed.

Must have a date of the last retest marked.

They must be stamped on the tank.

It shows what type of inspection or test was completed.

9 / 40

The best way to test if the spring brakes come on automatically is to:

apply pressure on and off the brake pedal until the manufacturer's low psi specification has been met for the spring brakes to deploy

apply pressure on and off the brake pedal until the parking valve pops out on single vehicles

all of these answers are correct

apply pressure on and off the brake pedal until the parkng brake valve pops out on tractor-trailer vehicles

10 / 40

In Column 1 the symbol "I" means:

International transportation.

International restrictions.

Invalid substance.

Iodine.

11 / 40

When driving tank vehicles you should:

Come to a stop before entering a curve and then accelerate through it.

Decrease your speed before entering a curve and then accelerate through it.

None of the answers listed.

Maintain the posted speed limit as you enter the curve.

12 / 40

You must carry a gas mask with you when transporting:

Flammable materials

Poison

Liquid gas

Chlorine

13 / 40

While driving at night, which lights should you use as often as you can?

high beams

novelty lights

emergency flashers

low beams

14 / 40

The walls that separate compartments inside the tanks and having openings at the top and bottom are called:

Bulktears

Baffles

Layers

Free walls

15 / 40

The parking brakes should be used____in air brake vehicles.

only during post trip inspection

every time the vehicle is parked

only when parked on an incline

as rarely as possible

16 / 40

What is a supply pressure gauge used for?

it tells you how much pressure is in the air lines

it tells you how much slack is in the slack adjusters

all of these answers are correct

it tells you how much pressure is in the air tanks

17 / 40

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

May never be parked on private property.

May never be left unattended under any condition.

May not be parked on the cosignee's property.

May be left unattended in a safe haven.

18 / 40

How do you determine if slack adjusters need to be adjusted?

release the parking brakes and service brakes

pull out the automatic slack adjustment control knob

activiate the parking brake and service brake

release the parking brakes and activate the service brakes

19 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

Two or more trailers.

None of these answers are correct.

A 200 inch wheelbase trailer.

A placarded cargo tank.

20 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

The school district superintendent.

Bus driver.

Parents of the students on the bus.

Students on the bus.

21 / 40

Which of the following is NOT a part of the steering system?

hydraulic fluid reservoir

tie rod

steering knuckle

main spring

22 / 40

Select the true statement in regards to brake drums or discs:

the linings should fit loosely around the brake shoe

they should not have cracks that are longer than half the width of the friction area

they should always be kept well-greased up

they are not allowed to have any cracks

23 / 40

Select which is not an engine compartement belt:

A water pump belt

A power steering belt

An air compressor belt

A safety belt

24 / 40

Which of the following are some suspension system defects?

leaking shock absorbers

all of these answers are correct

broken leaves in leaf spring

cracked or broken spring hangers

25 / 40

Select the statement that best describes what the service line is for.

it is controlled by the foot brake or trailer hand brake and carries air

all answers listed

it is controlled by the trailer hand brake and carries air

it is controlled by the foot brake and carries air

26 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

nothing will occur until you try to use the brakes

the emergency tractor brakes will activate

the trailer's air tank will leak through the one line

you will come to a complete stop

27 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

coolant level

washer fluid level

oil level

battery fluid level

28 / 40

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

only when it's raining

the vehicle has lost braking power

only in ideal conditions

when the tanks has bulkheads

29 / 40

Select the purpose of fanning air brakes:

lower air pressure

it decreases the braking power

it cools them down

it increases the air pressure

30 / 40

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

all of these answers are correct

a wig wag mechanical arm

red light

a buzzer

31 / 40

With the controlled braking method, you _____?

apply the brakes as hard as you can without locking the wheels

repeatedly tap the brakes as fast as you can

lightly apply braking pressure

apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

32 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

Only in populated areas

Yes

Only if you have more than 1,001 pounds of it

33 / 40

While completing the 2nd component of the air brake check you are required to turn the electrical power on, begin fanning off the air pressure by rapidly relasing and apply the foot brake and _____.

a low air warning device should sound before the air pressure drops below 60 psi

the tractor protection valve and parking brake valve should pop out before air pressure falls below 60 psi for combination vehicles

none of the answers listed

a low air warning device should sound before the air pressure drops below 40 psi

34 / 40

The transport index of a radioactive material:

Tells the degree of control needed during transportation.

Is another way of writing the weight of the package.

None of these answers are correct.

Is something that only the shipper needs to worry about.

35 / 40

When should the trailer hand valve be used?

all answers listed

when parked in a service lot

to test the trailer brakes

when driving at highway speeds

36 / 40

An emergency escape ramp should be used _____.

any time the truck experiences a significant loss of braking power

only in ideal conditions

only when not carrying a load

only when it is raining

37 / 40

Select the true statement about converter dollies:

they usually do not have spring brakes

because of their small size they have little braking power

they typically require a glad hand converter

all answers listed

38 / 40

Select why you should not use the trailer hand valve while driving:

it will cause the tractor to shake

there is a possibility it will make the trailer skid

it does not work as well as the foot brake does

you should only ever use the parking brake

39 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 60 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks.

40 / 40

How many different hazard classes are there?

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