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

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

aggressive driving

tailgating

defensive driving

road rage

2 / 40

How should the hand valve be used?

only when accompanied by the foot brake

to test the trailer brakes

only when accompanied by the service brakes

only when the trailer is loaded to its maximum weight

3 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

Explosives

Flammable liquids

Poisons

Flammable gases

4 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The un or na id number of the product.

The chemtrec phone number.

The owner's puco or icc number.

The date of manufacture.

5 / 40

Where are the two main places where the hazardous material identification number appears?

On the package and on paperwork at the shipping point of origin.

On the shipping papers and on a secret document in the driver's wallet.

On the shipping papers and on the package.

On the package and on paperwork at the shipping destination.

6 / 40

How do you supply air to the trailer tanks?

by pulling out the trailer air supply valve

by pushing in the trailer air supply valve

by connecting the service line glad hand

by connecting the red and blue lines

7 / 40

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

100 psi

150 psi

75 psi

125 psi

8 / 40

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

Bus drivers and driver training.

School district policies and police involvement.

Vehicles and road conditions.

Vehicles and drivers.

9 / 40

The correct trailer height when coupling the rear trailer is:

when the locking jaws are open around the kingpin

there is 5 inches of space between the lower and upper fifth wheel

the kingpin is touching the fifth wheel

slightly lower than the center of the fifth wheel

10 / 40

Which of the following will confirm that you are driving with anti-lock brakes?

The certification on the driver side door.

Red indicator lamp on the brake cylinder.

Yellow abs malfunction lamp on the instrument panel will light when you start the engine.

The bus operators manual.

11 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Windshield fluid line

Exhaust system

Fuel tank

Air coolant system

12 / 40

What is the service air line controlled by?

the relay valve that connects the trailer air tanks to the trailer air brakes

the relay vavle by sending air pressure from the trailer air tank to the trailer brake chambers

all answers listed

the pressure applied to the trailer hand brake or by the foot brake

13 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

nothing will occur

there will be a trailer jackknife

no matter how you turn the steering wheel, the rig will continue in a straight line

the rig will slide sideways but stay in a straight line

14 / 40

Start by___when coupling.

coupling the tractor to the second trailer

coupling the converter hook to the pintle tongue of the first trailer

having the second trailer against the dock

backing the converter dolly under the second trailer

15 / 40

Overhead inside mirror is used to:

Monitor traffic that approaches and enters the blind spot area.

See the blind spot immediately behind the bus.

See the area where students exit the bus.

See all of the students.

16 / 40

When should you avoid using the parking brake?

when the air pressure is low

whenever you park

while on an incline

when the brakes are hot

17 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

The surge will disconnect the tank from the truck.

The tank will roll over.

Nothing will occur.

No matter how you steer, you will continue in a straight line.

18 / 40

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

time of day

weather

length and steepness of grade

total weight of the vehicle and cargo

19 / 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 _____.

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

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

none of the answers listed

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

20 / 40

If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?

Make sure the battery acid is loaded on top of the silver cyanide.

Make sure there is plenty of space between the two.

Make sure the silver cyanide is loaded on top of the battery acid.

Inform someone and not load the battery acid.

21 / 40

You must not allow riders to stand:

In front of the standee line.

Between the wheel wells.

Within two feet of an emergency exit.

Within two feet of any window.

22 / 40

When should you check your mirrors for a lane change?

All of these answers are correct.

Before and after signaling the change.

After completing the lane change.

Right after starting the lane change.

23 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

Power steering

Oil pressure

Coolant system

Voltmeter

24 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

brake disc

brake drums

slack adjusters

air lines

25 / 40

Select the true statement in regards to what the fifth wheel should be checked for.

if the jaws are open

all answers listed

if it is properly greased

if there is any missing or damaged parts

26 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

In boxes that will keep them from turning over.

Loaded in an upright or horizontal position.

Loaded into racks attached to the vehicle.

All of these answers are correct.

27 / 40

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

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

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

28 / 40

Do empty trucks have the best braking?

yes

yes, but only if the truck is newer than 1998

yes, but only on wet surfaces

29 / 40

What is most likely to occur when the front wheels begin to skid?

You will continue heading in a straight line and moving forward no matter what direction you turn the steering wheel.

A roll over will occur.

The power of the surge will disconnect the tank from the truck.

All answers listed.

30 / 40

In the event of an accident you should remember to do the following EXCEPT:

protect the area

stop any bleeding and keep the victims warm

notify authorities

move the victims out of the way immediately

31 / 40

A placarded vehicle must carry what type of fire extinguisher?

One with a rating of 5 a/b minimum.

One with a rating of 5 b/c minimum.

One with a rating of 10 a/b minimum.

One with a rating of 10 b/c minimum.

32 / 40

A placard is required for a combustible liquid at?

110 gallons

100 gallons

Any amount

1,001 pounds or more

33 / 40

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

40-60 psi

This is engine-specific

30-75 psi

20-30 psi

34 / 40

What do you check when doing a visual inspection of the coupling?

that the locking jaw is closed around the kingpin and that there is no space between the upper and lower fifth wheel

none of the answers listed

the locking jaw is closed around the kingpin and there is no space beween the lower and upper fifth wheel

that the locking jaw is open around the kingpin and that there is some space between the lower and upper fifth wheel

35 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

the risk of trailer jackknifes and tipping is increased compared to shorter trucks

all answers listed

extra care should be taken when driving in bad weather and in the mountains

the truck requires increased following distance compared to smaller vehicles

36 / 40

By law, the warning lights must only be used when approaching a:

Sharp turns.

Any stop the bus makes.

Busy intersection.

Stop to load or unload students.

37 / 40

When should you not use the parking brakes?

while in hot weather

when air pressure is low

when the brakes are hot

while on a steep hill

38 / 40

What gauge on the dashboard indicates electrical system charging rate?

The air gauge

The coolant pressure gauge

The ammeter/voltmeter

The power gauge

39 / 40

At what pressure is the safety valve in the air compressor tank set to open?

100 psi

125 psi

150 psi

225 psi

40 / 40

When there is a hazardous materials emergency. You should:

Keep people away and warn them of the danger.

All of these answers are correct.

Contact emergency authorities.

Prevent smoking and keep open flames away.

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