oklahoma
CDL Practice Test

Welcome to the Oklahoma CDL practice test site. Use this site as you prepare to take the Oklahoma CDL test. Rules and regulations covered in these practice tests come from the Oklahoma CDL Manual. Take these practice tests as many times as you need to, this site is complimentary to use. 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

Your rig should be parked on__to uncouple double trailers.

level ground

the company's lot

grass

a downgrade

2 / 40

Cargo tanks are:

Bulk packaging temporarily attached to your vehicle.

Only made in one size.

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

Bulk packaging permanently attached to your vehicle.

3 / 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

4 / 40

What product is typically carried in a liquid tank trailer without baffles?

Fuel.

Hydrogen peroxide.

Food or milk products.

Fertilizer.

5 / 40

Unless you_____you will feel the effects of a liquid surge.

make turns carefully and slowly

haul thick liquids

gradually come to a stop

all answers listed

6 / 40

Which of the following answers lists the three types of emergency equipment you must have on your bus?

Repair kit, spare electric fuses (unless equipped with circuit breakers), and fire extinguisher.

Hydraulic jack, fire extinguisher, signal flares.

Fire extinguisher, spare electrical fuses (unless equipped with circuit breakers), and emergency reflectors.

Emergency reflectors, fire extinguisher, signal flares and tire repair kit.

7 / 40

This gauge has a governor cut-off.

The coolant temperature gauge

Air gauge

The ammeter gauge

Oil pressure gauge

8 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

the trailer emergency brakes to activate

the trailer tank pressure to decrease

the tractor spring brakes to activate

none of the ansers listed

9 / 40

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

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

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

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

10 / 40

The _____of the kingpin has the locking jaw close around it.

shank

dull section

apex

tip

11 / 40

Remember to_____when steering to avoid a crash while driving doubles.

keep your foot off the brake while turning

be prepared to counter-steer

all answers listed

have both hands on the steering wheel

12 / 40

Air pressure should build___with a dual air system.

from 70 to 125 psi in 60 seconds

from 50 to 80 psi in 60 seconds

from 85 to 100 psi in 45 seconds

from 60 to 100 psi in 45 seconds

13 / 40

All standing riders must stay:

Behind the standee line.

Within two feet of an emergency exit.

In front of the standee line.

Forward of the rear of the driver's seat.

14 / 40

Which of the following statements about loading and unloading cargo tanks is false?

The person in attendance must be authorized and able to move the vehicle.

The person in attendance must be aware of the danger.

The person in attendance must be within 50 ft of the tanker.

The person attending the tanker must have a clear view of it.

15 / 40

The manual says you should look _____ ahead while driving.

15 to 20 seconds, at highway speeds, about a half of a mile

9 to 12 seconds, at highway speeds, about a quarter of a mile

5 to 8 seconds, at highway speeds, about an eighth of a mile

12 to 15 seconds, at highway speeds, about a quarter of a mile

16 / 40

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

You need the engine to run the pump.

You are loading at night and need the headlights.

The material does not need a placard.

You are a non-smoker.

17 / 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 _____.

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

none of the answers listed

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

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

18 / 40

When should you check your mirrors for a lane change?

After completing the lane change.

Right after starting the lane change.

All of these answers are correct.

Before and after signaling the change.

19 / 40

Secure baggage and freight in ways that avoid damage and:

All of these answers are correct.

Allow the driver to move freely and easily.

Allow riders to exit by any window or door in an emergency.

Protect riders from injury if carry-ons fall or shift.

20 / 40

When does your vehicle's single brake system need an adjustment?

if the compressor cuts out at between 70 and 90 psi

when the pressure builds from 85 to 100 psi in less than 1 minute

when the governor stops between 75-90 psi

if the pressure builds from 50 to 75 psi in less than 3 minutes

21 / 40

When driving in very hot temperatures, you should:

let your tires cool down (remain stopped) if they are too hot to touch

check your tires every 2 hours or every 100 miles

all of these answers are correct

insure that you have enough antifreeze in the system

22 / 40

Why are you required to take an exam about air brakes?

you cannot receive a CDL at all otherwise

it is a federal requirement

all trucks have air brakes

you would have to get a CDL with a restriction otherwise

23 / 40

A slack adjuster is:

a lever that connects the brake chamber push rod with the foundation brake camshaft

a lever that connects the brake camshaft with the brake chamber

a lever that connects the return spring and the brake chamber push rod

a lever that connects the brake drum to the brake shoe

24 / 40

This object should be free of shiny treads, rust, free of cracks and distortions.

Bolt spacers

Rims

Lug nuts

None of the answers listed

25 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

apply a full hand valve until you stop and press firmly on the brake pedal

apply pressure to the brake pedal until the wheels lock and then stay off of the pedal for as long as the wheels are locked

rapidly and lightly pump the brake pedal

apply a firm pressure to the brakes, release the brake pedal once the wheels lock and then apply pressure to the brakes onces the wheels start rolling again

26 / 40

You should_____to uncouple the converter dolly.

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

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

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

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

27 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

Poisons

Flammable gases

Explosives

Flammable liquids

28 / 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

all answers listed

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

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

29 / 40

You should have the fifth wheel plate greased as recommened because:

it will ensure a good electrical connection

it will reduce noise and heat

it will prevent steering problems

it will ensure a good air line connection

30 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

The shipper

The driver

The carrier

Your spouse

31 / 40

The locking jaws of the kingpin should close around:

the base

the apex

the shank

the tip

32 / 40

What kind of surge occurs with baffles?

Back to front

Side to side

Bottom to top

Circular

33 / 40

Which of the following should you NOT do if you experience a tire failure?

stay off the brake pedal

you need to be aware that a tire has failed

engage the brakes hard and immediately

hold the steering wheel firmly

34 / 40

When approaching railroad tracks, stop your bus:

5-10 feet before railroad tracks.

On the tracks so you can see if the train is coming.

Only if you have manual transmission, then proceed with flashers on.

15 and 50 feet before railroad crossings.

35 / 40

The best way to have control on curves is:

keep pressure on the brake pedal through the turn

you do not need to do anything different

to decrease to your safe speed before entering the curve and then accelerate through it

to shift to a lower gear before entering the curve

36 / 40

The pintle hook should be_____ and the converter dolly air tank drain valve is___when doing a walk around inspection of a triple or double trailer.

free, open

latched, closed

free, closed

latched, open

37 / 40

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

when the tractor brakes lock up

when the tractor spins around

when the trailer pushes the towed vehicle sideways

when the trailer slides to the right into the shoulder

38 / 40

In the event of an accident you should remember to do the following EXCEPT:

move the victims out of the way immediately

protect the area

notify authorities

stop any bleeding and keep the victims warm

39 / 40

When is it best to wear your seat belt?

Only when you will be driving over 35 mph.

Only if required by company policy.

Only if your bus holds more than 27 people.

Always.

40 / 40

Air tanks need to be drained:

air tanks should absolutely never be drained

to keep the tanks cold when not in use

to prevent water and oil from building up in the tank

to keep the tanks warm when not in use

Your score is

The average score is 0%

5/5 - (2 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get A oklahoma Commercial Drivers License

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

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

Oklahoma CDL applicants must be medically certified that they are capable of operating a commercial vehicle and pass a vision test. Applicants are required to submit a Form MCSA-5875 Medical Examination Report and a Form MCSA-5876 Medical Examiner’s Certificate. In addition to submitting these documents, Oklahoma applicants must self-certify their medical records with the Oklahoma Department of Public Safety.

Applicants who have been deemed to be medically fit must keep a copy of the Medical Examiner’s Certificate with them when they operate commercial motor vehicles. Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Oklahoma. Applicants can be disqualified for having multiple licenses.

Oklahoma CDL 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

oklahoma CDL License Test Tips

All Oklahoma CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Oklahoma test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Oklahoma 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 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 active duty military personnel.
Have operated a commercial vehicle as part of their military duties for at least 2 years prior to applying for a CDL.
Have been discharged from the military within the past 12 months.
Submit an Application for CDL Skills Test Waiver.

Additional Information

Information on the Oklahoma Department of Public Safety

The Oklahoma Department of Public Safety oversees CDL license requirements in Oklahoma. To get more information contact them via:

Website: https://www.ok.gov/dps/Obtain_an_Oklahoma_Commercial_Driver_License/

Phone: 405.425.2196

Additional Oklahoma CDL Helpful Links

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

oklahoma CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A oklahoma Commercial Drivers License

Hit the Open Road

oklahoma CDL License Test Tips

Additional Information

Information on the Oklahoma Department of Public Safety

Additional Oklahoma CDL Helpful Links

oklahoma
CDL Practice Test