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

In what position should shut off valves on the rear of the last trailer be in on a set of double trailers?

in an open position for the rear trailer and a closed position for the front trailer

in a closed position for the rear trailer and an open position for the front trailers

in an open position

in a closed position

2 / 40

How should the hand valve be used?

when the trailer is fully loaded down

to test the trailer brakes

only in emergency situations

only in conjuction with the foot brake

3 / 40

The amount of liquid you can carry depends on:

How much the liquid will expand during the trip.

How much you can legally carry.

All answers listed.

The density or weight of the liquid.

4 / 40

The parking brakes should be used____in air brake vehicles.

as rarely as possible

only when parked on an incline

every time the vehicle is parked

only during post trip inspection

5 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

the hand valve will activate the tractor brakes instead of the trailer brakes

if there are no spring brakes, you can drive on but there will be no trailer brakes

the brake pedal will activate the trailer spring brakes instead of the air brakes

none of the answers listed

6 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

The arm bar

The locking pins

The apron

The release arm

7 / 40

If you are stopped on an incline, how can you start moving without rolling back?

fully engage the clutch

apply the parking brake

shift to neutral

aggressively pump the accelerator

8 / 40

Select the definition for outage:

It is the liquid that must be drained off to meet legal carry limit.

It is how much power is lost to the hydraulics.

It is loss of power to the headlights.

It is the process of liquid expansion as it becomes warm.

9 / 40

When fueling a placarded vehicle, someone must always be:

At the emergency power shut off for the pump.

Be at the rear most corner on the vehicle.

Within 10 feet of the pump with a fire extinguisher.

At the nozzle, controlling the fuel flow.

10 / 40

What is a passive railway crossing?

The type of crossing where you can pass the tracks without stopping.

The type of crossing, which does not have any type of traffic control device.

The type of crossing with no cross buck sign.

The type of crossing on which the driver does not have to stop.

11 / 40

The brake pushrod should not move more than____for manual slack adjusters.

an inch when pulled by hand with the brakes released

movement is not allowed

1-2 inches while the brakes are set

checking is not required in vehicles built after 1994 as they have automatic slack adjusters

12 / 40

An oncoming vehicle keeps its high beams on. You should deal with this hazard by:

Turning your high beams on to "get back at them".

Look slightly to the right at a right lane or edge marking, if available.

Quickly flash your high beams to give them fair warning.

None of these answers are correct.

13 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

2 psi in a minute

4 psi in a minute

5 psi in a minute

3 psi in a minute

14 / 40

What is the value of the overhead rear-view mirror inside of the bus?

To monitor passenger activity.

To monitor the driver's appearance.

To provide visibility directly in the back of the bus.

To check blind spots.

15 / 40

In safe driving, what does communicating mean?

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

using hand signals

using a cb radio to let others know your intentions

all of these answers are correct

16 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

At least 400 feet

At least 300 feet

At least 600 feet

At least 500 feet

17 / 40

If the hazardous materials are classified as FORBIDDEN you should:

Take special caution in transporting the material.

Remove the placards from the trailer.

Place the materials in the front of the trailer.

Refuse the load.

18 / 40

A commercial motor vehicle (CMV) is defined as:

all of these answers are correct

a vehicle with a gross weight over 26,001 lbs

a vehicle transporting 16 or more passengers

a vehicle transporting hazardous materials

19 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

Leave it on the entire time.

Turn it off before unhooking.

Turn if off after unhooking.

Turn it off on arrival—use other power to run the pump.

20 / 40

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

All of these answers are correct.

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

Where a policeman or flagman is directing traffic.

If a traffic signal is green.

21 / 40

You should turn off your engine when loading flammable liquid unless:

You need the engine to run the pump.

The material does not need a placard.

You are a non-smoker.

You are loading at night and need the headlights.

22 / 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

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

close 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

23 / 40

Which of the following is the proper definition of a cargo tank?

A bulk container not permanently attached to a vehicle.

A bulk container permanently attached to a vehicle.

A bulk container which can be securely affixed to a vehicle.

None of these answers are correct.

24 / 40

How often should you check the tires on a placarded trailer that has dual tires?

Once every 100 miles.

Each time you stop.

Start of each day and every time you stop.

Once every three hours.

25 / 40

For what reason do you keep the starter switch key in your pocket during the pre-trip inspection?

you will need it to inspect the trailer

so you don't lose it

you will need it to open the side box

so no one moves the vehicle while you are inspecting underneath it

26 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

only when the vehicle has over 60,000 miles on it

only when the vehicle has over 25,000 miles on it

false

true

27 / 40

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

parking brakes

engine brakes

air brakes

hydraulic brakes

28 / 40

How do you test the trailer service brakes?

apply pressure to the brake pedal

apply the hand control and check to see if you feel the trailer brakes come on

release air to the spring brakes

test the brakes out while driving at 5 mph

29 / 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

1 to 1 1/2 inches

it depends on how heavy the load is

30 / 40

Select the purpose of fanning air brakes:

lower air pressure

it increases the air pressure

it decreases the braking power

it cools them down

31 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

long

low

high

narrow

32 / 40

If you double your speed, what will happen to your stopping distance?

it increases by four times

it stays about the same

none of these answers are correct answers are correct

it increases by two times

33 / 40

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

lifts/door/ties

air brake lines

electric/air lines

mud flaps

34 / 40

Which of the following would NOT be part of a standard vehicle inspection?

seating defects

steering system defects

bad brake drums or shoes

tire problems

35 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Put the materials in the bus's "safe box".

Instruct the rider to sit next to an open window.

Have the rider pay a second fare.

Not allow the rider to do it.

36 / 40

You should_____when an emergency requires you to quickly stop your tanker.

turn off the abs and brace for impact

use the emergency brakes only

use stab or controlled braking

keep a firm pressure on the brake pedal

37 / 40

If you are transporting cargo, you should inspect the cargo and securing devices:

within the first 50 miles of driving

during every driving brake on the trip

before the trip, within 50 miles after beginning the trip, and at least every 150 miles or 3 hours

before the trip

38 / 40

Select the true statement in regards to converter dollies:

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

they typically require a hand converter

they typically do not have spring brakes

they typically have small braking power because of their size

39 / 40

Liquid surge affects the handling of a tanker by:

Decreasing the wind drag.

Allowing you to stop faster.

Moving the truck in the direction of liquid flow.

Allowing you to take tighter turns.

40 / 40

Why should you use chocks when parking a trailer without spring brakes?

the trailer wheels are free to turn as there will be no service brakes should the air supply in the trailer air tank leak

the trailer wheels are free to turn as there will be no emergency brakes should the air supply in the trailer air tank leak

to prevent a runaway trailer

to prevent someone from stealing the vehicle

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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