montana
CDL Practice Test

Practice for the Montana CDL test here. You may take these Montana CDL practice tests as many times as you would like and 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

Tires should should be replaced:

when the tread separates

if the tread depth on your front tires is less than 4/32 deep

when there are broken valve stems

all of these answers are correct

2 / 40

How do you check the air flow to the last trailer?

watch the brake lights as you step on the brake pedal

pull the vehicle forward and then step on the brakes

while on an level surface, test the emergency brake lines

listen for escaping air after opening the emergency shut off valve

3 / 40

Bus drivers must have a CDL if they drive a vehicle:

Designed to seat more than 16 or more persons, including the driver.

That has a gross weight rating of more than 26,000 pounds.

That is designed to carry more than nine passengers.

That has air brakes.

4 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

Steering hoses/box

Locking pin

Air brake system

Steering linkage

5 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

look for vehicles coming into your lane

determine if there are any hills coming up

determine if there are any upcoming traffic lights that might require you to stop

look for brake lights from slowing vehicles

6 / 40

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

Vehicles and road conditions.

School district policies and police involvement.

Vehicles and drivers.

Bus drivers and driver training.

7 / 40

All standing riders must stay:

Within two feet of an emergency exit.

Behind the standee line.

Forward of the rear of the driver's seat.

In front of the standee line.

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 will travel in the next 20 seconds.

The distance you can see ahead of you.

9 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

open and latched

closed and open

closed and latched

open and open

10 / 40

Make sure____when the front trailer supports are up and the trailer is sitting on the tractor.

neither of the answers listed

there is enough space for clearance between the landing gear and the tractor frame

there is enough space for clearance between the nose of the trailer and the tops of the tractor tires

both of the answers listed

11 / 40

What is the service air line controlled by?

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

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

12 / 40

Which of these statements about speed management and braking is true?

Stopping time increases by one second for each 10 mph over 20 mph.

You need about four times as much stopping distance at 40 mph as at 20 mph.

The posted speed limit will always allow you to stop safely.

The total stopping distance of a bus is the distance it takes to stop once the brakes are applied.

13 / 40

The most stable tanker shape is:

Square

Round

Elliptical

Cylindrical

14 / 40

To test the tractor-trailer connection for security, you should:

drive forward in a high gear with the trailer brakes on and check it

rock the trailer side to side with the trailer brakes on

drive forward with a sharp jerk

drive forward in a low gear with the trailer brakes locked and then look at it carefully

15 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

apply the parking brake after stopping on level ground

after parking on a slight grade, release the parking brake, activate the service brakes and check for vehicle movements

chock the wheels and release the parking brakes after parking on a level ground

drain off air pressure before adjusting after parking on level ground

16 / 40

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

the rig will slide sideways but stay in a straight line

nothing will occur

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

there will be a trailer jackknife

17 / 40

When should air tanks be drained?

at every restroom break stop

they don't need to be drained

at the end of each working day

every 7 days

18 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

Classes 1, 3, and 4

Classes 1, 3, and 6

Classes 1, 4, and 51

Classes 1, 21, and 3

19 / 40

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

To check blind spots.

To provide visibility directly in the back of the bus.

To monitor the driver's appearance.

To monitor passenger activity.

20 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

to provide additional lateral stabilization to the front trailer

removing the dolly before uncoupling is not the correct procedure

so the rear-trailer's air brake system will stay charged and keep the trailer wheels locked to prevent rolling

it is possible that the dolly tow bar could fly up making it difficult to re-couple

21 / 40

A baffled tanker has:

No side to side surge.

Bulkheads with holes that allow liquid to flow through it.

Separate compartments inside the trailer.

Balls floating in it to increase the speed of the liquid movement.

22 / 40

How do you supply air to the trailer tanks?

by connecting the red and blue lines

by pushing in the trailer air supply valve

by connecting the service line glad hand

by pulling out the trailer air supply valve

23 / 40

Cargo tanks are:

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

Bulk packaging permanently attached to your vehicle.

Bulk packaging temporarily attached to your vehicle.

Only made in one size.

24 / 40

How often should you check the tires if your placarded trailer has dual tires?

Check tires every hour or 75 miles.

Check tires every 3 hours or 150 miles.

Check tires every 4 hours or 200 miles.

Check tires every 2 hours or 100 miles.

25 / 40

Select the true statement about handling triples and doubles:

triples and doubles handle the same as singles

a tip over of the rear trailer can occur due to sudden movements of the steering wheel

because of the crack the whip effect, the rear trailer of a 100-foot triple is less likely to tip over

due to off-tracking, a triple bottom rig can come to a stop faster than a 5-axle tractor

26 / 40

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

when parking at a loading dock

never

when parking on a downgrade

when parking in a commercial lot

27 / 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 how much power is lost to the hydraulics.

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

28 / 40

When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?

29 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

30 / 40

The best way to describe a dual air brake system is:

there is a primary and secondary system that is 2 separate air brake systems

there are 2 separate air brake systems that have their own hoses, lines etc

all of these answers are correct

there are 2 separate air brake systems that supply air to the trailer if there is one

31 / 40

When should you drain air tanks that do not have an automatic tank drain?

once every 7 days

every 4 hours of the working shift

once every 14 days

at the end of each working day

32 / 40

Select what you should not do when coupling the glad hands.

clean the couplers before connecting them

cross the air supply lines to test for leaks

make sure to match the colors or check the tags before connecting

press the seals together at a 90 degree angle

33 / 40

When arriving at the destination announce:

The location.

All of these answers are correct.

The next departure time.

The reason for stopping.

34 / 40

The walls that separate compartments inside the tanks and having openings at the top and bottom are called:

Bulktears

Layers

Baffles

Free walls

35 / 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

none of the answers listed

make sure the trailer will not roll away when coupling

use a portable generator to supply brake pressure

36 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

Kingpin

Rock jaw

Pintle hook

Locking pins

37 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

Place transmission in park or neutral and set parking brake.

Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus.

Activate the amber flashing caution lights to warn vehicles that the bus will stop to load passengers soon.

Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach.

38 / 40

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

Each time you stop.

Once every 100 miles.

Start of each day and every time you stop.

Once every three hours.

39 / 40

Take extra caution when driving smooth bore tanks during:

Drive down or up an incline.

Stops and starts.

All answers listed.

Driving into the wind.

40 / 40

When stopped on a divided highway where should your reflectors be placed?

20 feet, 150 feet, and 300 feet toward the approaching traffic

30 feet, 100 feet, and 150 feet toward the approaching traffic

15 feet, 75 feet, and 150 feet toward the approaching traffic

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

Your score is

The average score is 47%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A montana Commercial Drivers License

Montana residents are eligible to apply for a CDL to operate commercial vehicles within Montana if they are at least 18 years old. Residents who are at least 21 years old are eligible to apply for a CDL to operate commercial vehicles outside of Montana. To operate a commercial vehicle in Montana, applicants must provide proof that they are medically fit.

The following documents must be completed before applicants attend the first MVD appointment for a CDL.

(Form MCSA-5876) Medical Examiner’s Certificate
(Form 21-1201DG) CDL Self-Certification Classification and Medical Documentation (This form must be completed by a FCSA-approved physician.)

Drivers whose driver’s licenses have been revoked, suspended, denied or canceled are not eligible for a CDL in Montana. The following CDL endorsements are available:

H – Hazardous Material
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Towing a Double or Triple Trailer

All Montana applicants must pass a general knowledge test before they are eligible to take the skills test. There are 50 questions on the Montana general knowledge test, and applicants must answer 40 questions correctly. For each endorsement, there is a test that must be taken by applicants. The passing score for these tests is 80 percent.

Hit the Open Road

montana CDL License Test Tips

The Montana skills test includes a vehicle inspection, basic control skills and driving. Applicants must pass each section. Military veterans and current members of the military can waive the skills test if they submit an application. To be eligible for this waiver, applicants must:

Be currently enrolled in any branch of the military or within 12 months of having left the service.
Have documented experience operating commercial vehicles or military equipment

Military waiver applicants and their commanding officers must complete (For CDL-SK TST WVR) Application for Military Skills Test Waiver to be considered for a waiver. Applicants who are granted a waiver for the skills test are required to pass the written test and pay appropriate licensing fees.

Additional Information

Information on the Montana DOJ, Motor Vehicle Division

The Montana Department of Justice, Motor Vehicle Division regulates the CDL license requirements in Montana. To get more information contact them via:

Website: https://dojmt.gov/driving/commercial-driver-licensing/

Phone: 406.444.3244

Additional Montana CDL Helpful Links

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

montana CDL Practice Test