new mexico
CDL Practice Test

Welcome to the CDL practice test site for New Mexico. Our test questions are designed to prepare you for the questions you’ll see on the official New Mexico MVD CDL Test. You are welcome to take these CDL practice tests as many times as you like, the tests are free. 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 Test" button below to begin.

1 / 40

What is a supply pressure gauge used for?

it tells you how much pressure is in the air tanks

it tells you how much slack is in the slack adjusters

it tells you how much pressure is in the air lines

all of these answers are correct

2 / 40

What must vehicles with air brakes have?

an air pressure gauge that shows the pressure available for braking

a minimum of 2 air tanks

an air pressure gauge that shows how much air is used by the brake chambers for braking

all of these answers are correct

3 / 40

A portable tank differs from a cargo tank in that ______.

none of these answers are correct

portable tanks are bulk containers, which are not permanently attached to a vehicle

cargo tanks are bulk containers, which are not permanently attached to a vehicle

portable tanks are bulk containers, which are permanently attached to a vehicle

4 / 40

Select the definition for outage:

It is loss of power to the headlights.

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

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

It is how much power is lost to the hydraulics.

5 / 40

How do you determine if slack adjusters need to be adjusted?

release the parking brakes and activate the service brakes

activiate the parking brake and service brake

release the parking brakes and service brakes

pull out the automatic slack adjustment control knob

6 / 40

At around____the governor allows the air compressor to start pumping again:

225 psi

100 psi

125 psi

175 psi

7 / 40

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

3 psi for combination vehicle and 1 psi for single vehicle

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

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

10 psi for combination vehicle and 5 psi for single vehicle

8 / 40

While driving on a clear night with low beam headlights, you should be able to stop within:

Half of a football field.

2 lengths of your vehicle.

The distance you can see ahead of you.

The distance you will travel in the next 20 seconds.

9 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

about 12-15 seconds

about 1 block for city driving

about 5 car lengths on the highway

about 1/4 mile for open highway driving

10 / 40

What will occur if you cross the connect the air lines?

nothing will occur, it'll funciton as normal

the tractor will not be able to move

there will not be air going to the trailer brakes

the tractor brakes will lock up

11 / 40

What action should you take before driving while drowsy?

open your vehicle windows for some fresh air

drink a cup of coffee

pull off the road and get some sleep

drink energy drinks

12 / 40

Which of the following statements is true about speed management?

Speed limits for buses are the same as cars.

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

The posted speed limit is safe for all conditions.

All of these answers are correct.

13 / 40

How high should you crank the landing gear?

as high up as it will go

until the crank handle is loose

for it to be 6 inches above the ground

so that you can clear railroad tracks

14 / 40

Which of the following is a recommended procedure when unloading the students?

Let the students begin moving to the front of the bus before it's fully stopped to maximize efficiency.

Tell students to remain seated until they are told to exit.

Put the transmission in neutral gear and put on the brakes.

Position yourself outside of the bus in front of crossover mirror to supervise unloading.

15 / 40

What are spring brakes?

none of the answers listed

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

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

16 / 40

Which seats must have a seat belt:

Women and children seats.

All of these answers are correct.

Senior citizen seats.

The driver's seat.

17 / 40

Select the factor that has no effect on how much liquid you can carry:

The legal amount of weight you can carry of any particular liquid.

The density of the liquid.

How much the liquid will expand in transport.

The liquid's weight.

18 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

this is the only situation in which you should use the hand brake

the tractor wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to push the tractor and straighten out

none of the answers listed

the trailer wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to follow the tractor and straighten out

19 / 40

Which of the following statements is FALSE?

stopping is not always the safest thing to do in an emergency

you can almost always turn to miss an obstacle more quickly than you can stop

if a tire blows, you should put the brakes on hard to stop quickly

anti-lock braking systems (ABS) only activate when wheels are about to lock

20 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class D

Class C

Class B

Class A

21 / 40

What is a technical name?

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

The medical term for hazardous materials used by medical personnel.

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

The name for a hazardous material most commonly used on the street.

22 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

the last trailer of a double

the first trailer of a triples

the last trailer of a triple

the heaviest trailer

23 / 40

If you are drowsy, you should _____ before you drive.

get sleep

do a little exercise

take a cold shower

drink coffee

24 / 40

Play of the steering wheel should not exceed:

10 degrees

15 degrees

5 degrees

30 degrees

25 / 40

Water is drained from the compressed air tanks because:

to keep the oil in the air compressor clean

the water could freeze in cold weather and cause braking failure

the water will over cool the compressor

braking power is decreased due to the low boiling point of water

26 / 40

What is a king pin?

it is a pin that locks the trailer to the tractor on the fifth wheel

it is a pin that holds the wheel on to the axles

it is a pin that a driver receives for being a safe driver

it is a pin that locks the air brake lines together

27 / 40

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

Emergency windows

Windows

Roof vents

Both hatches

28 / 40

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

you should use a high gear to make the process faster

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

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

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

29 / 40

Select the true statement in regards to a converter dolly:

none of the answers listed

it is a coupling device with only two axles and a sixth wheel to which a semitrailer can be coupled to the rear of a tractor-trailer combination forming a double bottom rig

it is a coupling device with one or two axles and a fifth wheel with which a semitrailer can be coupled to the rear of a tractor-trailer combination forming a double bottom rig

it is a connecting device consisting of one axle which disconnects a semitrailer combination vehicle converting it into two separate trailers

30 / 40

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

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

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

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

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

31 / 40

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

is between 50 and 80 psi

at a normal pressure

is between 40 and 60 psi

is at half of the maximum pressure

32 / 40

If there is not a sight glass to check the oil level you are required to look for leaks around the _____.

brake pads

transmission

axle seals/hub oil

wheel rims

33 / 40

Which of the following statements about downshifting is NOT true?

downshift when you get to the bottom of a hill

downshift before entering a curve

downshift before climbing a hill

downshift before starting down a hill

34 / 40

Select when you should use the hand valve to park a combination vehicle.

when parking at a loading dock

when parking in a commercial lot

when parking on a downgrade

never

35 / 40

There must not be more than_____for engine compartment belts.

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

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

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

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

36 / 40

Cargo tanks ____.

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

are bulk packagings permanently attached to a vehicle

37 / 40

When inspecting your bus, you must make sure that:

Emergency exit handles are secure.

All of these answers are correct.

Rider signaling devices are working.

Every handhold and railing is secure.

38 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

Tandem release arm

Lug nuts

Locking pins

Locking jaw

39 / 40

When transporting hazardous loads, you must check the tires at least:

Every six hours.

Twice every day.

Every 200 miles.

Every two hours or 100 miles.

40 / 40

There should be ___space between the upper and lower fifth wheel after coupling.

1/30 inch

1/8 inch

none of the answers listed

1/12 inch

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A new mexico Commercial Drivers License

To be eligible for a CDL in New Mexico, applicants must meet the following age eligibility requirements.

Be at least 18 years old to operate a commercial vehicle intrastate (within New Mexico).
Be at least 21 years old to operate a commercial vehicle interstate (outside of New Mexico).

To be eligible to operate a commercial vehicle in New Mexico, applicants must provide verification that they are medically fit to operate a commercial vehicle. New Mexico applicants must pass a vision test.

Applicants in New Mexico are required to submit the following documents when they apply for a CDL.

(Form MCSA-5876) Medical Examiner’s Certificate
CDL Holder Self-Certification form

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in New Mexico. Applicants must possess a basic Class D driver’s license.

New Mexico CDL Endorsements
H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Towing a Double or Triple Trailer
X – Combination Tank Vehicles and Hazardous Materials

Hit the Open Road

new mexico CDL License Test Tips

Every New Mexico CDL applicant must pass the general knowledge test prior to taking the skills test. To pass the knowledge test, applicants must score 80 percent or higher. There are additional tests for applicants who want to earn endorsements to drive specialized commercial vehicles. The New Mexico skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic vehicle control and on-road driving tests. The knowledge and skills tests are scored independently.

Military veterans who were discharged within 90 days of the application and current military members can apply to have the skills exam waived if they meet certain requirements. To qualify for a waiver, applicants must:

Be a resident of New Mexico.
Have operated an equivalent vehicle to a commercial motor vehicle in the military for at least 2 years before they apply for the CDL.
Submit an Application for Military Skills Test Waiver that is signed by the commanding officer.

Additional Information

Information on the New Mexico Motor Vehicle Division

The New Mexico Motor Vehicle Division provides oversight for the CDL license requirements in New Mexico. To get more information contact them via:

Website: http://www.mvd.newmexico.gov/commercial-drivers-licenses.aspx

Phone: 888.683.4636

Email: [email protected]

Additional New Mexico CDL Helpful Links

Please use the links below to access more valuable New Mexico CDL testing resources and to learn more about practice driving tests for the state of New Mexico.

new mexico CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A new mexico Commercial Drivers License

Hit the Open Road

new mexico CDL License Test Tips

Additional Information

Information on the New Mexico Motor Vehicle Division

Additional New Mexico CDL Helpful Links

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CDL Practice Test