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

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

The fifth wheel

The platform

The catwalk

The locking kingpin

2 / 40

Select how you would check the truck's slack adjusters.

while wearing gloves, pull hard on each slack adjuster that you can reach

all of these answers are correct

listen for any strange noises while applying pressure to the brake pedal

brake hard after accelerating

3 / 40

You should follow the posted speed limits for curves and be aware of:

All answers listed.

The higher center of gravity on a tank truck.

A rollover may occur even when driving at the posted speed limit.

The posted speed limit may be too high for safety.

4 / 40

Select the true statement about seeing ahead.

all answers listed

many individuals do not look far enough ahead while driving

you should look up to 1/4 mile ahead when driving at highway speeds

good drivers will shift their attention from far and near and back and forth

5 / 40

The safety valve is usually set to open at:

225 psi

75 psi

125 psi

150 psi

6 / 40

Which of the following statements about stopping distances is NOT true?

brakes, tires, springs and shocks are designed to work best when the truck is empty

trucks traveling at higher speeds require greater stopping distances

trucks traveling on ice or snow require greater stopping distances

empty trucks require greater stopping distances because they have less traction

7 / 40

When should air tanks be drained?

every 7 days

they don't need to be drained

at the end of each working day

at every restroom break stop

8 / 40

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

decrease the tank pressure by stepping on and off the brake

all of these answers are correct

run the engine at a fast idle

monitor the air pressure gauge

9 / 40

When must a driver’s inspection report be completed?

At the end of each shift.

Before driving your bus.

Only if defects are found.

All of these answers are correct.

10 / 40

Your bus is disabled. With riders aboard, the bus may be towed or pushed to a safe place only:

By another bus with its four-way flashers on.

By a 27,000 lbs gvwr or larger tow truck.

If the distance is less than 500 yards.

If getting off the bus would be more risky for the riders.

11 / 40

Which of the following is a reason to evacuate the school bus?

The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside.

The bus is stalled on a rail road track, but there is no train in sight.

The bus abs warning light is on.

A child set off a stink bomb inside the bus.

12 / 40

Select the factors that can cause your brakes to fade or fail:

all of these answers are correct

the brakes are out of adjustment

using the service brakes excessively

not relying on engine braking enough

13 / 40

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

200

125

250

14 / 40

With the controlled braking method, you _____?

repeatedly tap the brakes as fast as you can

apply the brakes as hard as you can without locking the wheels

lightly apply braking pressure

apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

15 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

Classes 1, 2, 3, and 4

Class 2 only

Class 4 only

Class 1 only

16 / 40

Select the true statement about converter dollies:

because of their small size they have little braking power

they typically require a glad hand converter

they usually do not have spring brakes

all answers listed

17 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

supply air to the trailer air system via the tractor and then disconnect the emergency line

use a portable generator to supply brake pressure

none of the answers listed

make sure the trailer will not roll away when coupling

18 / 40

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

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

An automatic failure of the vehicle inspection test.

None of the answers listed.

A deduction of 15 points.

19 / 40

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

None of the answers listed.

Cracks are not permitted.

1/2 the width of the friction area.

1/2 inch across in a straight line.

20 / 40

What keeps air in the tanks should the air compressor develop a leak?

the air compressor

the engine protection valve

the tractor relay valve

the one-way check vavle

21 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

the tractor

the back trailer

all are equally likely

the front trailer

22 / 40

There must not be more than_____for engine compartment belts.

1/2 inch of play at the end of the belts

1/4 inch of play at the ends of the belt

3/4 inch of play at the center of the belt

1/2 inch of play at the center of the belt

23 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

2 psi a minute

6 psi a minute

5 psi a minute

3 psi a minute

24 / 40

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

True

True, but only in ideal conditions

False

True, but only on downgrades

25 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

26 / 40

Why should you know the outage?

Liquids expand different amounts.

Baffles are not always permitted with certain types of liquids.

Heavier liquids don't require outage.

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

27 / 40

How should the pintle hook be when backing a dolly under the second trailer?

in a halfway open position

in the unlatched position

in the latched position

removed from the dolly

28 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

By driving faster than the other traffic.

By staying in the right lane if you can.

By never passing.

By passing only the slowest vehicles.

29 / 40

Select which is not an engine compartement belt:

A water pump belt

An air compressor belt

A power steering belt

A safety belt

30 / 40

Overhead inside mirror is used to:

see the blind spot immediately behind the bus

monitor traffic that approaches and enters the blind spot area

see all of the students

see the area where students exit the bus

31 / 40

When using turn signals, which of the following should be avoided?

signal just before you start to make a turn

signal when you are merging into traffic

signal before you exit

signal when you want to change lanes

32 / 40

Placarded vehicles must carry which type of fire extinguisher?

Hazmat extinguisher

B-C fire extinguisher

C-D fire extinguisher

A-B fire extinguisher

33 / 40

After the initial drop, the maximum leakage rates per minute is:

10 psi for combination vehicle and 5 psi for single vehicle

4 psi for a combination vehicle and 3 psi for a single vehicle

6 psi for a combination vehicle and 5 psi for single vehicle

3 psi for combination vehicle and 1 psi for single vehicle

34 / 40

When approaching a school bus stop, you should:

Activate your overhead amber lights.

Continuously check all mirrors.

Gradually decrease speed until the stop.

All of these answers are correct.

35 / 40

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

50 psi

80 psi

30 psi

60 psi

36 / 40

On the Hazardous Materials Table, column 1 shows:

To what shipping mode the information on that line applies.

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

What materials can be loaded together.

How to ship an item.

37 / 40

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

it may not correctly couple

all answers listed

the trailer may tip to the side

the queen pin may fall off

38 / 40

When approaching railroad tracks, stop your bus:

5-10 feet before railroad tracks.

15 and 50 feet before railroad crossings.

On the tracks so you can see if the train is coming.

Only if you have manual transmission, then proceed with flashers on.

39 / 40

Select the true statement about tractor protection valve:

it is closed by the parking brakes

it provides the air supply to the brake system

all of these answers are correct

if the air supply drops to a certain level it will automatically close itself

40 / 40

When should you check your mirrors for a lane change?

After completing the lane change.

All of these answers are correct.

Before and after signaling the change.

Right after starting the lane change.

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