Wyoming
CDL Practice Test

Use this free site to practice for the Wyoming CDL test. You can take these practice test questions as many times as you like. Topics covered in the practice tests include gross weight, hazmat transportation, air brakes and pre-trip inspection Class A rules. 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. Good luck!

1 / 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

2 / 40

What kind of surge occurs with baffles?

Bottom to top

Side to side

Back to front

Circular

3 / 40

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

5 psi a minute

3 psi a minute

2 psi a minute

6 psi a minute

4 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

catwalk

fifth wheel

apron

frame

5 / 40

Select the correct setup for shut-off valves:

the front and back shut-off valves are open

the front shut-off valves are closed and the rear trailer valves are open

the front and back shut-off valves are closed

the rear shut-off valves are closed and the front trailer valves are open

6 / 40

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

when parking on a downgrade

never

when parking in a commercial lot

when parking at a loading dock

7 / 40

When driving with multiple trailers, which one should be right behind the tractor?

the trailer with the smallest road

the trailer with the heaviest load

the trailer longest in length

the trailers shortest in length

8 / 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

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

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

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

9 / 40

At the end of each shift you should:

Report any defects.

All of these answers are correct.

Report any damage.

Inspect your bus.

10 / 40

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

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

By another bus with its four-way flashers on.

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

If the distance is less than 500 yards.

11 / 40

How far before a railroad crossing should you stop your bus?

10 to 35 feet

50 to 75 feet

15 to 50 feet

100 feet exactly

12 / 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?

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

Leave it on the entire time.

Turn if off after unhooking.

Turn it off before unhooking.

13 / 40

Select the answer that is controlled by the foot brake.

the service air line

the emergency brake

the engine brake

the shut off valves

14 / 40

When backing, what is the best method to use to avoid blind spots?

back towards the driver's side, where you can see better

use a helper

look at your path

use mirrors on both sides

15 / 40

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

accelerating

first aid certification

safely backing

steering

16 / 40

You are driving a 40 foot truck at 35 MPH, how much space (in seconds) should you keep in front of you?

4 seconds

5 seconds

6 seconds

3 seconds

17 / 40

Why does it take special skills to haul a tank vehicle?

The weight of the load is high up off the road.

There is a high center of gravity.

All of the answers listed.

It is top heavy.

18 / 40

Select the statement that best describes what the service line is for.

it is controlled by the trailer hand brake and carries air

it is controlled by the foot brake and carries air

it is controlled by the foot brake or trailer hand brake and carries air

all answers listed

19 / 40

When should air tanks be drained?

every 7 days

they don't need to be drained

at every restroom break stop

at the end of each working day

20 / 40

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

the brakes are out of adjustment

all of these answers are correct

not relying on engine braking enough

using the service brakes excessively

21 / 40

How should you inspect a converter dolly?

as if it is a trailer

as if it is an engine

as if it is cargo

as if it is an axle with a fifth wheel

22 / 40

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

You are a non-smoker.

The material does not need a placard.

You are loading at night and need the headlights.

You need the engine to run the pump.

23 / 40

What is the normal operating range for a truck's oil pressure?

30-75 psi

40-60 psi

This is engine-specific

20-30 psi

24 / 40

Before backing under the trailer after connecting the air lines you should:

have a random pedestrian direct your path of travel

double check to make sure the trailer brakes are off

take a walk around the vehicle to make sure it is clear of obstructions

supply air to the trailer system and then pull the air supply knob out

25 / 40

How do you check the power steering fluid?

By looking through the reservoir sight glass.

Undo the oil fill cap and check the level.

Via the power steering fluid dipstick.

Via indicator light on the dashboard.

26 / 40

When backing your vehicle, which of the following is NOT recommended

back as slow as possible

use the lowest reverse gear

back towards the right side

back and turn towards the driver's side

27 / 40

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

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

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

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

none of these answers are correct

28 / 40

When checking for_____you are looking for dripping fluids or puddles on the ground below the transmission or engine.

power steering fluid

leaks

air brake system

coolant level

29 / 40

While completing the 2nd component of the air brake check you are required to turn the electrical power on, begin fanning off the air pressure by rapidly relasing and apply the foot brake and _____.

the tractor protection valve and parking brake valve should pop out before air pressure falls below 60 psi for combination vehicles

a low air warning device should sound before the air pressure drops below 40 psi

a low air warning device should sound before the air pressure drops below 60 psi

none of the answers listed

30 / 40

You must not allow riders to stand:

Between the wheel wells.

Within two feet of any window.

In front of the standee line.

Within two feet of an emergency exit.

31 / 40

What handling effect will baffles have?

There will be an increase in slow surge.

There will be less side to side surging.

None of the answers listed.

There will be less of surging front to back.

32 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

Class 1—explosives

Class 3—flammable liquids

Class 4—live chickens

Class 7—radioactive materials

33 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

the emergency tractor brakes will activate

the trailer's air tank will leak through the one line

nothing will occur until you try to use the brakes

you will come to a complete stop

34 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

there may be an emergency line air leak

you should remove one from the red air line to use as a temporary replacement

there may be a service line air leak

it is not a big problem

35 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the tractor brakes lock up

when the trailer pushes the towed vehicle sideways

when the trailer slides to the right into the shoulder

when the tractor spins around

36 / 40

A tank trailer should never be fully loaded due to:

The baffles aren't as effective.

The movement is stronger.

The liquid can expand causing a leak from the trailer.

The will be more shifting of the load.

37 / 40

The emergency air line is _____and the service air line is____.

white, blue

yellow, white

red, blue

red, green

38 / 40

You should expect____when backing a tractor under a trailer.

the trailer to lift slightly

the end of the kingpin to be level with the top of the fifth wheel

the trailer to be completely still

the trailer landing gear to be fully extended

39 / 40

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

Roof vents

Emergency windows

Both hatches

Windows

40 / 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.

Inform someone and not load the battery acid.

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

Make sure there is plenty of space between the two.

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A Wyoming Commercial Drivers License

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

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

Medical and Physical
Wyoming CDL applicants must be medically certified that they are physically fit to operate a commercial vehicle and pass a vision test. Applicants must have at least 20/40 vision with both eyes.

Applicants are required to submit the following documents.

(Form FSCDL-705) Wyoming Commercial Driver License Application
(Form MCSA-5876) Medical Examiner’s Certificate (An FMCSA-approved physician must complete this document.)

Disqualifications and Driving Record
Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Wyoming. Applicants can be disqualified for having multiple licenses.

Endorsements

H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Double or Triple Trailer
X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

Wyoming CDL License Test Tips

Knowledge Test
All Wyoming CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the Wyoming test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees.

Skills Test
The Wyoming skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military CDL Waivers
Military veterans and current military members can apply to have the skills exam waived if they meet the requirements.

To qualify for a waiver, applicants must:

Be currently enlisted in the military.
Possess a valid Wyoming driver’s license.
Have operated a commercial vehicle as part of their military duties within the past 12 months.
Have been recently discharged from the military.
Submit (REV 2016) Application for Military Skills Test Waiver.

Additional Information

Information on the Wyoming Department of Transportation

The Wyoming Department of Transportation provides oversight for CDL regulations in Wyoming. To get more information contact them via:

Website: http://www.dot.state.wy.us/home/driver_license_records/commercial-license.html

Phone: 307.777.4800 option #4

Additional Wyoming CDL Helpful Links

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

Wyoming CDL Practice Test