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

Why does it take special skills to haul a tank vehicle?

All of the answers listed.

There is a high center of gravity.

The weight of the load is high up off the road.

It is top heavy.

2 / 40

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

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

make sure the trailer won't roll when coupling

go ahead and couple it

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

3 / 40

Which of the following statements is true about speed management?

All of these answers are correct.

The posted speed limit is safe for all conditions.

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

Speed limits for buses are the same as cars.

4 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

all answers listed

while in neutral increase the rpm to 1500

shifting down to a low gear and trying to pull forward gently

shift up into a high gear and let off the clutch quickly

5 / 40

The longest crack that brake or disc drums can have is:

1/2 inch across in a straight line.

1/2 the width of the friction area.

None of the answers listed.

Cracks are not permitted.

6 / 40

What color are all school buses painted?

The individual district decides the exact color.

National school bus yellow.

Florescent yellow.

Orange yellow.

7 / 40

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

the queen pin may fall off

it may not correctly couple

the trailer may tip to the side

all answers listed

8 / 40

Select the statement that describes how you could damage the landing gear.

have the tractor and trailer aligned

back under the trailer in a straight path

back under the trailer at an angle

have the trailer kingpin centered over the fifth wheel

9 / 40

Why should you know the outage?

Baffles are not always permitted with certain types of liquids.

Liquids expand different amounts.

Heavier liquids don't require outage.

Just in case you become a contestant in a trivia competition.

10 / 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?

the emergency air line will release air

the service brakes will move to a fully applied position

you should hear air escape from the open valve

none of the answers listed

11 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

A leaking line or hose

Problems with the water pump

All of these answers are correct

A leak from the engine

12 / 40

How much space should there be between the lower and upper fifth wheel?

1 to 2 inches

it is dependent on the load you are carrying

zero

1/4 to 1/2 of an inch

13 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

total weight of the vehicle and cargo

time of day

length and steepness of grade

weather

14 / 40

What school bus accidents should be reported?

No accidents.

All accidents.

Only accidents casusing injury.

Only accidents determined to be the fault of the bus driver.

15 / 40

Which of the following must be closed while the bus is in motion?

Roof vents

Both hatches

Windows

Emergency windows

16 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

None of the answers listed.

An automatic failure of the vehicle inspection test.

A deduction of 15 points.

The driver must restart the pre-trip from the beginning.

17 / 40

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

none of the answers listed

longer reaction time

the lines are hotter

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

18 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

through the locking lever

above the locking lever

below the locking lever

outside of the locking lever

19 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

activate the parking brakes

listen for brake sounds as you apply pressure off and on the trailer brakes

lift the brake pedal up

release the tractor brakes

20 / 40

What gauge on the dashboard indicates electrical system charging rate?

The ammeter/voltmeter

The coolant pressure gauge

The air gauge

The power gauge

21 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

0.85

0.5

0.72

0.65

22 / 40

Remember to_____to prevent rollovers.

have the load centered

all answers listed

drive slowly around turns

have the load as low to the ground as possible

23 / 40

Which of the following statements about downshifting is NOT true?

downshift before entering a curve

downshift before climbing a hill

downshift when you get to the bottom of a hill

downshift before starting down a hill

24 / 40

The most important hand signal you should agree on with a helper is:

“faster”

“go”

“turn up the music”

“stop”

25 / 40

At what "cut out" level does the governor stop pumping air?

100 psi

150 psi

125 psi

75 psi

26 / 40

What are spring brakes?

they are big springs with air pressure in them if the air pressure decreases, the brakes are applied

they are large springs that are held closed by air pressure if the air pressure is increased the brakes are applied

they are powerful springs that are restrained by air pressure when the air pressure is removed, the brakes are applied

none of the answers listed

27 / 40

In safe driving, what does communicating mean?

all of these answers are correct

using a cb radio to let others know your intentions

using hand signals

letting others know you are there by using turn signals, four way flashers, and horn

28 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

open and open

open and latched

closed and open

closed and latched

29 / 40

When a substance in the materials table is written in italics it means :

The substance is for international transport.

It is the proper shipping name.

It is a foreign substance.

It is not the proper shipping name only those in roman type above it are proper shipping names.

30 / 40

Cargo tanks ____.

are bulk packagings permanently attached to a vehicle

are large drums temporarily attached to a vehicle

are tanks that the military uses to transport hazardous materials

are large drums used to contain hazmat that is loaded on a trailer

31 / 40

What kind of surge occurs with baffles?

Back to front

Bottom to top

Side to side

Circular

32 / 40

Off-tracking happens when going around a corner and:

the rear part of the trailer goes into the shoulder

the rear wheels follow a different pathway than that of the front wheels

the front part of the trailer pulls to the right

the rear wheels follow the front wheels in a straight path

33 / 40

How many different hazard classes are there?

34 / 40

Select the factor that is known to cause brakes to fail or fade. (more than one answer may be correct, but select only one)

brakes that are not aligned properly

excessive heat from extensive use

tire retread that is mismatched

when using the engine brake more than the brakes

35 / 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 spins around

when the tractor brakes lock up

when the trailer slides to the right into the shoulder

36 / 40

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

hydraulic brakes

all answers listed

emergency brakes

engine brakes

37 / 40

Select the definition of "off-tracking."

none of the answers listed

it is when the trailer wheels go in a different direction from the front wheels

it is when the rear wheels of the vehicle follow a different path way than that of the front wheels

it is wheen the rear wheel skid and the front wheels maintain a straight path

38 / 40

Select the true statement in regards to converter dollies:

they typically have small braking power because of their size

they typically do not have spring brakes

they typically have a lot of stopping power because of their size

they typically require a hand converter

39 / 40

Select which vehicles are required to have a low air pressure warning signal:

all vehicles built after 2005

all operating vehicles with air brakes

they are optional

all vehicles built after 2010

40 / 40

Select the answer that is controlled by the foot brake.

the service air line

the engine brake

the emergency brake

the shut off valves

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