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 the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

11 seconds

8 seconds

6 seconds

13 seconds

2 / 40

At the end of each shift you should:

Report any damage.

All of these answers are correct.

Report any defects.

Inspect your bus.

3 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

Liquids

Corrosives and oxidizers

Explosives A and B

Acids and poisons

4 / 40

When backing your vehicle, which of the following is NOT recommended

back and turn towards the driver's side

use the lowest reverse gear

back towards the right side

back as slow as possible

5 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

apply a full hand valve until you stop and press firmly on the brake pedal

rapidly and lightly pump the brake pedal

apply a firm pressure to the brakes, release the brake pedal once the wheels lock and then apply pressure to the brakes onces the wheels start rolling again

apply pressure to the brake pedal until the wheels lock and then stay off of the pedal for as long as the wheels are locked

6 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

2 psi in a minute

4 psi in a minute

3 psi in a minute

5 psi in a minute

7 / 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.

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

Both of these answers are correct.

There is a traffic light showing green.

8 / 40

Which of the following statements about overhead space is true?

athe heights posted at bridges are usually accurate

an empty van is lower than a loaded one

warning lights are always installed on low bridges and overpasses

the weight of the cargo changes a truck's height

9 / 40

What does the amount of liquid you can carry depend on?

The center of gravity.

The material the baffles are made from.

The outage of the liquid.

The vehicle's horsepower rating.

10 / 40

Select the true statement:

wait to brake heavy vehicles for as long as you can

you should always ride the brakes

a bobtail tractor will take longer to stop than a combination vehicle that is loaded to the max

light vehicles require more braking power than heavier vehicles

11 / 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 if you have more than 1,001 pounds of it

Yes

Only in populated areas

12 / 40

Should the air pressure in the service air tanks fall below____the driver must be alerted via warning mechanism in the truck cab.

60 psi

30 psi

50 psi

80 psi

13 / 40

The trailer should be lowered so that _____.

the tractor comes in contact with the nose of the trailer

you are able to use the landing gear to make adjustments

the trailer is high above the fifth wheel

it is slightly raised when the tractor is backed under it

14 / 40

Which of the following would NOT be part of a standard vehicle inspection?

seating defects

bad brake drums or shoes

steering system defects

tire problems

15 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

this is the only situation in which you should use the hand brake

the tractor wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to push the tractor and straighten out

the trailer wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to follow the tractor and straighten out

none of the answers listed

16 / 40

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

none of the answers listed

close the shut off valves at the back of each 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

open the shut off valve at the back of both trailers

17 / 40

This gauge will indicate if the generator or alternator is charging:

Oil pressure

Gas tank

Coolant

Voltmeter/ammeter

18 / 40

A minimum tread depth of 2/32 inch is required for:

Donut tires.

Driving axle tires.

Non-steer axle tires.

Parking axle tires.

19 / 40

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

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

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

pull the tractor ahead gently with the trailer brakes locked down

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

20 / 40

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

there is a possibility it will make the trailer skid

you should only ever use the parking brake

it will cause the tractor to shake

it does not work as well as the foot brake does

21 / 40

Which of the following is not a prohibited practice on the bus:

Talking with riders while driving.

Fueling your bus with riders on board if about to run out of fuel.

Towing a disabled bus with riders aboard when getting off would be a safe option.

Refueling in a closed building with riders on board.

22 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

Securing the bus.

Notifying the dispatch office of the evacuation.

Dangle the radio microphone out of the driver window for later use.

Opening the emergency exits.

23 / 40

The _____of the kingpin has the locking jaw close around it.

shank

dull section

tip

apex

24 / 40

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

40-60 psi

30-75 psi

20-30 psi

This is engine-specific

25 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

Electric/air lines

Mud flaps

The lockjaw

Tires

26 / 40

Which of the following types of emergency equipment must you have on your bus?

Spare electric fuses, fire extinguisher, and accident reporting kit.

Reflectors, fire extinguisher, and accident reporting kit.

Hydraulic jack, fire extinguisher, and signal flares.

Fire extinguisher, spare electric fuses, and reflectors.

27 / 40

A safe haven is:

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

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

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

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

28 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

True

False, it's when the vehicle power system fails in some way

False, it's when the vehicle air braking system fails in some way

False, it's when the vehicle engine fails in some way

29 / 40

The driver's manual advises you to disconnect the steering axle brake to keep the rig straight:

when it is raining

never

whever you feel like it

in ideal conditions

30 / 40

Forward and back surge is powerful in this type of tanker.

Hard stroke

Bulktruck

Waffle

Smooth bore

31 / 40

Which of the following statements is FALSE?

you can almost always turn to miss an obstacle more quickly than you can stop

stopping is not always the safest thing to do in an emergency

if a tire blows, you should put the brakes on hard to stop quickly

anti-lock braking systems (ABS) only activate when wheels are about to lock

32 / 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

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

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

33 / 40

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

all of these answers are correct

a buzzer

red light

a wig wag mechanical arm

34 / 40

The Emergency Response Guidebook (ERG):

Was created by the national department of transportation, so it is used nationwide.

All of these answers are correct.

Is studied by emergency personnel to help keep the public safe.

Contains an index of hazardous material id numbers, which is why you must label things correctly.

35 / 40

What is the safest way to stop unruly behavior on the bus?

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.

Yell loudly for the students to sit down and behave themselves.

Pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them.

36 / 40

When does your vehicle's single brake system need an adjustment?

when the governor stops between 75-90 psi

if the compressor cuts out at between 70 and 90 psi

when the pressure builds from 85 to 100 psi in less than 1 minute

if the pressure builds from 50 to 75 psi in less than 3 minutes

37 / 40

If you are drowsy, you should _____ before you drive.

do a little exercise

get sleep

drink coffee

take a cold shower

38 / 40

Select the first action to do when the low air pressure warning comes on:

come to a stop and safely park as soon as possible

release the supply control valve

adjust the engine brake

shift into a higher gear

39 / 40

Select the true statement about slack adjusters:

they can be adjusted automatically or manually

they do not ever need to be adjusted

they should only be adjusted by a mechanic that is certified in slack adjusters

they should move a minimum of 2 inches from the push rod attachment

40 / 40

Select the true statement in regards to quick steering movements and double trailers:

it is easier to tip doubles and triples from quick steering movements than other vehicles

nothing will occur

you should apply a firm pressure to the brake pedal at the same moment you do quick steering movements

it is easier to countersteer doubles/triples than other vehicles

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