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

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

Air pressure gauge

Voltmeter gauge

Coolant pressure gauge

Oil pressure gauge

2 / 40

Select the correct description for a bulkhead tank.

None of the answers listed.

They are divided down into smaller tanks.

It is one large tank.

They are divided with holes to allow liquid to flow through controlling surge.

3 / 40

Select the statement that describes smooth bore tanks:

They are divided down into smaller tanks.

They are divided with holes from liquid to flow through controlling surge.

None of the answers listed.

They are 1 large tank.

4 / 40

A tractor should not be backed under a trailer until the whole air system is:

at a normal pressure

at half of its normal pressure

at a level of 50 and 70 psi

at a level of 70 and 90 psi

5 / 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 two truck lengths

about two car lengths

about the length of a football field or 100 yards

6 / 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.

Inform someone and not load the battery acid.

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

7 / 40

To prevent a roll over a driver can 1) keep the cargo as low to the ground as possible and 2) _____.

have the brakes properly adjusted

take turns slowly

drive while intoxicated

have the fifth wheel's free play as tight as possible

8 / 40

What are the 3 methods for securing a second trailer before coupling?

parking against another trailer, locking the trailer door, and chocking the tires

chocking the tires, parking on level ground, and charging the air tank

parking on level ground, chocking the tires, and charging the trailer air tank if it doesn't have spring brakes

all answers listed

9 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

15 seconds

8 seconds

10 seconds

13 seconds

10 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

when parking on a grade

in no situation

during the winter

when parking at loading docks

11 / 40

A safe haven is:

A place to stay once you have reported your company for illegal activity.

A place where it is safe to dump any kind of hazardous materials.

A place that has been approved to park unattended vehicles carrying explosives.

The slang term for the last stop at the end of your driving day when carrying hazardous materials.

12 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

you should grease the landing gear the increase the speed of the process

you should use a low gear until the tractor is supporting the trailer

you should leave the landing gear at the half way mark to make the uncoupling process easier later

you should use a high gear to make the process faster

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

14 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

Class 1 explosives

Class 3 flammable liquids

Class 7 radioactive materials

Class 6 poisons

15 / 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

none of the answers listed

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

16 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

The interlock releases when you close the rear door.

The interlock applies the brakes and holds the throttle in idle position when the rear door is open.

All of these answers are correct.

Do not use this safety feature in place of the parking brake.

17 / 40

Where should you place your warning devices if you must stop on a one-way or divided highway?

10 feet, 100 feet, and 200 feet toward approaching traffic

50 feet, 100 feet, and 150 feet toward approaching traffic

100 feet, 200 feet, and 300 feet toward approaching traffic

20 feet, 50 feet, and 100 feet toward approaching traffic

18 / 40

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

air brake lines

electric/air lines

mud flaps

lifts/door/ties

19 / 40

What do you need to do to supply air to the air tanks of the second trailer?

open up the shutt off valves on the rear of the first trailer and close the shut off valve at the back of the second trailer

open the shut off valve at the back of both trailers

close the shut off valves at the back of each trailer

none of the answers listed

20 / 40

A trailer is at the right height to have the tractor backed up to it when:

the top of the kingpin is even with the bottom of the fifth wheel

it'll raise slightly when the tractor is backed up under it

the fifth wheel will not come in contact with the kingpin

the kingpin is about 1 1/5 inches above the fifth wheel

21 / 40

You should_____when checking the slack adjusters on S-Cam brakes.

pull hard on each slack adjuster while wearing gloves

pull on the slack adjusters after draining the air from the system

pull on the slack adjuster while the parking brakes are on

make sure there is an inch of leeway in each direction for the slack adjuster

22 / 40

Suspension systems:

keep the load secure

keep the brake drums from failing

keep the steering wheel tight

keep the axles in place

23 / 40

This object should not be worn dangerously thin where visible.

All answers listed

The brake chambers

The brake linings

The air system lines

24 / 40

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

accelerating

safely backing

steering

first aid certification

25 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

see if the air pressure drops more than 4 lbs in a minute while holding it down for a full minute in a combination vehicle

see if the air pressure drops more than 3 lbs in a minute while holding it down for that full minute in a single vehicle

both of the answers listed

none of the answers listed

26 / 40

You should adjust all the outside left and right side flat mirrors to see:

The children's exit path out of the main bus door.

The rear right and left tires touching the ground as well as 200 feet behind the bus.

The entire area to the rear of the mirror along the side of the bus.

The passenger area inside the bus.

27 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

28 / 40

Select the load of the trailer that will require the shorter distance to stop.

a fully loaded trailer

an empty trailer

a half loaded trailer

a 1/3 loaded trailer

29 / 40

What color and shape is the trailer air supply control?

it is a square knob that is yellow

it is a square knob that is red

it is a triangle-shaped knob that is red

it is an 8-sided knob that is red

30 / 40

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

run the engine at a fast idle

decrease the tank pressure by stepping on and off the brake

all of these answers are correct

monitor the air pressure gauge

31 / 40

What is the safest way to stop unruly behavior on the bus?

Yell loudly for the students to sit down and behave themselves.

Keep checking the rear view mirror so you can see what happened and report to the principal.

Pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them.

Have the unruly students move to the front of the bus.

32 / 40

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

The table of hazardous materials.

The transport index and the separation distances table.

The segregation and separation chart.

The list of hazardous materials and reportable quantities.

33 / 40

To be sure that air is supplied to the second trailer:

open the emergency line shut off at the back of the second trailer

keep an eye of the air gauge for a drop of 30 psi

crank the engine brake

while driving at 10 mph, use the hand valve. The vehicle should stop in the same distance of a single trailer moving at 5 mph

34 / 40

You should_____to uncouple the converter dolly.

disconnect the safey chains, lower the landing gear, and chock the wheels

chock the wheels, lower the landing gear, and disconnect the safey chains

chock the wheels, disconnect the safety chains, and then lower the landing gear

lower the landing gear, disconnect the safety chain, and chock the wheels

35 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

To decease heat and noise.

To prevent any steering problems.

To make sure that uncoupling easier.

To make sure the electrical connections are good.

36 / 40

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

Only when the vehicle does not require placards.

Only when the shipment does not cross state lines.

Never.

Only in the event of a federally declared emergency situation.

37 / 40

Take extra caution when driving smooth bore tanks during:

Stops and starts.

All answers listed.

Drive down or up an incline.

Driving into the wind.

38 / 40

Cargo tanks are:

Only made in one size.

Bulk packaging permanently attached to your vehicle.

Filled while they are off your vehicle, then attached for transportation.

Bulk packaging temporarily attached to your vehicle.

39 / 40

Select the action that is not appropriate when driving on slippery roads:

avoid having traffic in your side space

none of the answers listed

use a speed retarder or engine brake

use a light pressure on the brake and accelerator pedals

40 / 40

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

60 psi

50 psi

30 psi

80 psi

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