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 earliest way to notice a trailer skid?

you can feel a jerk in the back of the tractor

you can see it in your mirrors

you can hear the tires squealing

you can feel it pulling your steering wheel

2 / 40

What is a king pin?

it is a pin that a driver receives for being a safe driver

it is a pin that locks the trailer to the tractor on the fifth wheel

it is a pin that locks the air brake lines together

it is a pin that holds the wheel on to the axles

3 / 40

You should be in the proper gear before going down a hill because:

it builds up the air pressure in the air tanks

brakes may fail or fade from excessive heat due to relying on them too much and not using the engine brake effect

it helps control your speed better

water may build up in the air tanks if you do not rely on the engine brake

4 / 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.

battery fluid level

coolant level

washer fluid level

oil level

5 / 40

Secure baggage and freight in ways that avoid damage and:

Allow the driver to move freely and easily.

Protect riders from injury if carry-ons fall or shift.

Allow riders to exit by any window or door in an emergency.

All of these answers are correct.

6 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

fifth wheel

apron

frame

catwalk

7 / 40

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

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

none of the answers listed

the lines are hotter

longer reaction time

8 / 40

How much space should you see between the lower and upper fifth wheel when checking the coupling of a converter dolly?

1/2 to 1 inch

none

it depends on how heavy the load is

1 to 1 1/2 inches

9 / 40

An air system that is fully charged will typically have ___ psi of pressure.

125

250

200

10 / 40

Surge affects the handling of a tanker by:

None of the answers listed.

Allowing you to take tighter turns.

Moving the truck in the direction the liquid flows in.

Increasing the wind drag.

11 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

about 150 feet which is 1/2 of a football field

about 200 feet which is 2/3 of a football field

about 300 feet which is about a football field length

about 600 feet with is about two football field lengths

12 / 40

What does it mean when the safety valve releases air?

pressure has passed 150 psi

there is too much air in the air compressor

you need it to have it checked out by a mechanic because something is wrong

all of these answers are correct

13 / 40

Two causes of tire fires are ______.

hot brakes and under-inflated tires

duals that touch and road debris

under-inflated tires and poor retreads

under-inflated tires and duals that touch

14 / 40

Select the best description of a baffle tank:

It is one large tank.

They are divided and have holes for liquid to flow through controlling surge.

They are tanks divided down into multiple smaller tanks.

None of the answers listed.

15 / 40

What action should you take before driving while drowsy?

drink a cup of coffee

drink energy drinks

pull off the road and get some sleep

open your vehicle windows for some fresh air

16 / 40

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

Have the unruly students move to the front of the bus.

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.

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

17 / 40

How many different hazard classes are there?

18 / 40

If your bus is equipped with an emergency exit door, it must:

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

All of these answers are correct.

Always have a red door light turned on.

Be secured when the bus is being driven.

19 / 40

A battery box check is important. The battery must be secure, connection must be tight, and cell caps must be present. In addition these items should be checked:

Battery connection should show signs of excessive wear.

The fluid level inside the battery.

Battery connections should not show signs of excessive corrosion, but the battery box and cover or door is unimportant.

Battery connections should not show signs of excessive corrosion, and the battery box and cover or door should not be damaged and should be secure.

20 / 40

You should adjust all the outside left and right side convex mirrors to see:

The entire area to the rear of the mirror along the side of the bus.

The right and left front tires touching the ground.

The children's exit path out of the main bus door.

200 feet behind the bus.

21 / 40

Select the statement that best explains the "crack-the-whip" effect.

it is when the trailer is half full with the cargo loaded in the rear half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when the trailer is half full with the cargo loaded in the front half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when you make a sudden movement of the steering wheel or a quick lane change and the tractor tends to rock and sway. The velocity of the rearmost trailer forces the tractor to roll over before the trailer.

it is when you make a sudden movement of the steering wheel or a quick lane change and the rear trailer tends to swing out. The force of the rear trailer becomes amplified, which will cause it to roll over (rearward amplification).

22 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

none of the answers listed

lug bolt

spring mounts

shock dampeners

23 / 40

An emergency escape ramp should be used _____.

only when it is raining

any time the truck experiences a significant loss of braking power

only in ideal conditions

only when not carrying a load

24 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

Do not park within 300 feet.

Do not park within 200 feet.

Do not park within 500 feet.

Do not park within 100 feet.

25 / 40

Select the true statement about slack adjusters:

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

they can be adjusted automatically or manually

they do not ever need to be adjusted

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

26 / 40

What are the dividers that are inside tankers that have an opening at the bottom and top?

Baffles

Bulkmets

Layers

Taffles

27 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

true

false

only in a level loading dock

only at the end of a shift

28 / 40

Select the true statement about dual air brake systems.

there is a single set of brake controls

there is a primary system and a secondary system

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

all of these answers are correct

29 / 40

What is the most important reason for doing a vehicle inspection?

to save you money by preventing costly repairs

federal and state laws require you to inspect your vehicle

safety for yourself and other road users

to insure that you will achieve the best gas mileage

30 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

only at the end of the shift

yes

only every 7 days

31 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

mud flaps

electric/air lines

lifts/door/ties

air brake lines

32 / 40

Do empty trucks have the best braking?

yes, but only on wet surfaces

yes

yes, but only if the truck is newer than 1998

33 / 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

Any type of floor liner is sufficient

Yes

34 / 40

Which of the following is a key steering component?

torque rod

leaf spring

gear box

bearing plate

35 / 40

What color and shape is the trailer air supply control?

it is a triangle-shaped knob that is red

it is a square knob that is red

it is an 8-sided knob that is red

it is a square knob that is yellow

36 / 40

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

You are also a class a tow truck driver.

Getting off the bus would be unsafe.

Your employer tells you to.

Bus is on a drawbridge.

37 / 40

When driving on a clear night with the vehicle lights on, your speed should be such that you can stop within _____.

2 times the length of your vehicle

the distance you will travel in 10 seconds time

the distance you can see ahead of you

the length of half a football field

38 / 40

A portable tank differs from a cargo tank in that ______.

none of these answers are correct

portable tanks are bulk containers, which are not permanently attached to a vehicle

cargo tanks are bulk containers, which are not permanently attached to a vehicle

portable tanks are bulk containers, which are permanently attached to a vehicle

39 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

the vehicle is manufactured after 1990

the vehicle is manufactured after 2001

the vehicle is manufactured after 1998

the vehicle is manufactured after 2005

40 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

True

True but only in rainy conditions

False

True but only in ideal conditions

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