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

The sliding mechanism and locking device for a tandem axle on trailers is:

Apron

Metal frame

Locking pins/tandem release arm

Suspension system

2 / 40

Where are shut off valves located on trailers that are doubles or triples?

on service air lines

on emergency and service air lines

on parking brake lines

on emergency air lines

3 / 40

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

Yes

Only in populated areas

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

4 / 40

Select the true statement:

None of the answers listed.

A "bobtail" tractor will take longer to stop than a combination vehicle that is fully loaded down to the maximum weight.

Wait as long as possible to brake when driving a heavy vehicle.

Lighter vehicles requiring more braking power to stop compared to heavier vehicles.

5 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

steering

first aid certification

safely backing

accelerating

6 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

Driving with bad tires.

Driving too fast.

Driving on a wet surface.

Driving in the mountains.

7 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

open the shut off valves at the back of the first and second trailer

close the shut off valves at the back of the second trailer and open the shut off valves at the back of the first trailer

close the shut off valves at the back of the first and second trailer

open the shut off valves at the back of the second trailer and close the shut off valves at the back of the first trailer

8 / 40

Select the false statement about suspension:

Check for shifted, missing, or cracked leaf springs.

Check for distorted or broken coil springs.

Check for broken or cracked spring hangers.

Check to make sure torsion bars and/or arms are lubricated.

9 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

10 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

monitor the air pressure gauge

run the engine at a fast idle

all of these answers are correct

decrease the tank pressure by stepping on and off the brake

11 / 40

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

all of these answers are correct

rear view cameras

your mirrors

a helper

12 / 40

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

about 1/4 mile

about the length of a football field or 100 yards

about two car lengths

about two truck lengths

13 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

drive with extra care in mountains and in bad weather

increase your following distance

all of the answers listed

none of the answers listed

14 / 40

Which of the following statements is true about speed management?

You should be able to stop within the distance that you can see ahead.

All of these answers are correct.

The posted speed limit is safe for all conditions.

Speed limits for buses are the same as cars.

15 / 40

The front trailer supports should be____before driving away.

raised fully and the crank handle secured in its bracket

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

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

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

16 / 40

How do you supply air to the trailer tanks?

by pulling out the trailer air supply valve

by connecting the red and blue lines

by pushing in the trailer air supply valve

by connecting the service line glad hand

17 / 40

Where can you find a shipper’s certification?

On the original shipping paper.

There is no such thing.

On all packages.

It is a separate document that all hazmat drivers must keep in their vehicles.

18 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

If a traffic signal is green.

All of these answers are correct.

At crossings marked as "exempt" or "abandoned".

Where a policeman or flagman is directing traffic.

19 / 40

This item does not need to be checked during the cab check.

The defroster/heater

The windshield wipers and fluid levels

The horn

The air conditioning

20 / 40

Select the true statement in regards to your brake function when your ABS fails

you will need to pull over immediately

you will have no control over your truck as the brakes will not be functioning

the abs will need to be repaired but the brakes will function normally

there is a huge fire risk

21 / 40

The minimum tread depth for tires other than the front tires is ____.

3/32

1/32

2/32

4/32

22 / 40

Select the true statement in regards to managing the space to the sides:

you should always keep your vehicle to the right side of the lane

you should try to avoid driving next to others when possible

you should drive down the center of both lanes over the pavement markings

high wind gusts will not cause any issues for doubles or triples

23 / 40

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

use mirrors on both sides

look at your path

use a helper

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

24 / 40

Which of the following statements about the bus interior is false?

The seats must be safe for riders all seats must be securely fastened to the bus.

If there is a red emergency door light, it must work.

If you use your outside lights, you don't need to turn on red emergency door light.

Never drive with an open emergency exit door or window.

25 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

Vehicles and road conditions.

School district policies and police involvement.

Vehicles and drivers.

Bus drivers and driver training.

26 / 40

What is the movement of the liquid called when the tanks are partially filled?

Framing

Surging

Crashing

Knocking

27 / 40

What might happen if a trailer is too high when you try to couple?

all answers listed

it may not correctly couple

the queen pin may fall off

the trailer may tip to the side

28 / 40

Select the two things that are important in preventing a rollover:

drive slowly around turns and keep the cargo as close to the ground as possible

drive slowly around turns and keep the center of gravity of the cargo as high as possible

the length and weight of the vehicle

maintaining properly inflated tires and an even load on the trailer

29 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

A ul rating of 5 b/c or above.

A ul rating of 10 b/c or above.

Any of these are acceptable.

A ul rating of 15 abc.

30 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

Rock jaw

Kingpin

Pintle hook

Locking pins

31 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

emergency brakes

all answers listed

engine brakes

hydraulic brakes

32 / 40

Which of the following is NOT an appropriate reason to flash your braking lights?

to signal to tailgaters that they are too close to your vehicle

to warn drivers behind you when you need to slow down

to warn vehicles approaching you from behind that you are driving slowly

to alert drivers behind you that there are hazards ahead

33 / 40

You should line up_____when getting ready to back under the trailer.

for the kingpin to activate on the driver's side first

about 12 degrees to the left of the trailer

above 12 degrees to the right of the trailer

directly in front of the trailer

34 / 40

What position should the tractor protection control valve be in after coupling?

lowered

normal

raised

mid position

35 / 40

You must not allow riders to stand:

Within two feet of an emergency exit.

Within two feet of any window.

Between the wheel wells.

In front of the standee line.

36 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

false

only in raining conditions

only in ideal conditions

true

37 / 40

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

pull out the automatic slack adjustment control knob

release the parking brakes and service brakes

release the parking brakes and activate the service brakes

activiate the parking brake and service brake

38 / 40

On the Hazardous Materials Table, column 1 shows:

What materials can be loaded together.

How to ship an item.

How much of the material can be put in a vehicle without placarding.

To what shipping mode the information on that line applies.

39 / 40

What is the best way to figure out how many seconds of following distance you have?

wait until a vehicle passes a shadow or landmark, then count the seconds until you pass it

text a friend and tell them to text you back in ten seconds and see how long that seemed to take compared to how far you traveled

use the stopwatch on your phone to try to determine how long before you reach a mile marker after the car in front of you appeared to reach it

get 1/4 closer to the car in front of you, then back off again multiply how long this took you by 4 for following distance

40 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

True, but only in ideal conditions

False

True, but only on downgrades

True

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