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

When should the trailer hand valve be used?

when parked in a service lot

all answers listed

when driving at highway speeds

to test the trailer brakes

2 / 40

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

15 seconds

13 seconds

8 seconds

10 seconds

3 / 40

Which of the following about the front tires on a commercial bus is true?

Must not have recapped or regrooved tires.

Must not be recapped, but can be regrooved.

Can be recapped, but never regrooved.

Can be regrooved or recapped as long as they have 4/32 tread depth.

4 / 40

You should check the_____when loading small tanks equipped with bulkheads.

percentage of water

distribution of the weight

expansion rate

fuel to air ratio

5 / 40

Why is understanding the loading and unloading procedures so critical?

Because only high school students understand how to cross the road.

Because many students are killed while getting on and off a school bus each year.

Because school district officials have the authority to conduct surprise quizzes and you must know the correct answers to keep your job.

Because motorists ignore students walking to school.

6 / 40

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

drive forward with a sharp jerk

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

rock the trailer side to side with the trailer brakes on

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

7 / 40

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

To monitor passenger activity.

To provide visibility directly in the back of the bus.

To monitor the driver's appearance.

To check blind spots.

8 / 40

What are shippers trying to accomplish when they package the material?

Make it as light as possible.

All of these answers are correct.

Make it easy to identify.

Make it easy to open and close.

9 / 40

How do you make sure the trailer height is correct before coupling?

visually check that the lead trailer is higher than the fifth wheel so that the trailer will lower when the dolly is pushed under it

you do not need to do a visual check

visually check that the rear trailer is lower than the fifth wheel so that the trailer raises slightly when the dolly is pushed under it

visually check that they are level height wise

10 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

high

long

low

narrow

11 / 40

Which of the following would NOT be part of a standard vehicle inspection?

seating defects

tire problems

bad brake drums or shoes

steering system defects

12 / 40

Which of the following statements about the bus interior is false?

If you use your outside lights, you don't need to turn on red emergency door light.

The seats must be safe for riders all seats must be securely fastened to the bus.

If there is a red emergency door light, it must work.

Never drive with an open emergency exit door or window.

13 / 40

When should air tanks be drained?

at every restroom break stop

every 7 days

at the end of each working day

they don't need to be drained

14 / 40

The trailer height is correct for connecting a converter dolly to a second or third trailer when:

the center of the kingpin is past the locking jaw

the trailer will rise slightly when the converter dolly is backed underneath it

all answers listed

the kingpin is over the fifth wheel

15 / 40

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

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

look for brake lights from slowing vehicles

look for vehicles coming into your lane

determine if there are any hills coming up

16 / 40

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

while on an level surface, test the emergency brake lines

listen for escaping air after opening the emergency shut off valve

pull the vehicle forward and then step on the brakes

watch the brake lights as you step on the brake pedal

17 / 40

A tank trailer should never be fully loaded due to:

The will be more shifting of the load.

The liquid can expand causing a leak from the trailer.

The movement is stronger.

The baffles aren't as effective.

18 / 40

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

That has air brakes.

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.

19 / 40

Select when you should use the parking brake:

with rare exception, every time you leave your vehicle

each time you leave your vehicle for any amount of time

when in residential areas

when you are leaving your vehicle for more than an hour

20 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

only when the vehicle has over 25,000 miles on it

only when the vehicle has over 60,000 miles on it

false

true

21 / 40

If there is rust around the nuts, what may it indicate?

They need to be changed out.

They are fitted just right.

They are loose.

There is a leak somewhere.

22 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

1 hour, 50 miles

5 hours, 250 miles

2 hours, 100 miles

3 hours, 200 miles

23 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

continue on with your trip

decrease your speed and test the other system

decrease your speed and head to the closest mechanic

stop and safely park your vehicle only continue once the issue has been resolved

24 / 40

How should the trailer be lined up when preparing to back the tractor up?

directly in front of the trailer

directly behind the trailer

about 12 degrees to the left

about 12 degrees to the right

25 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

tailgating

defensive driving

road rage

aggressive driving

26 / 40

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

oil, transmission, air compressor, radiator

windshield, wipers, mirrors, hood latches

tires, steering parts, suspension parts, headlights

low beams, high beams, four way flashers, turn signals

27 / 40

When would you lock some emergency roof hatches in a partly open position?

First day of spring

For fresh air

Whenever you enter a tunnel

Never

28 / 40

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 60 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks.

29 / 40

The object that doesn't get checked at the side of the trailer is the:

The landing gear

The locking pins/tandem release arm

The frame

Electrical/air connections

30 / 40

What is a passive railway crossing?

The type of crossing where you can pass the tracks without stopping.

The type of crossing with no cross buck sign.

The type of crossing, which does not have any type of traffic control device.

The type of crossing on which the driver does not have to stop.

31 / 40

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

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

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.

32 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

0.85

0.5

0.65

0.72

33 / 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

frame

apron

fifth wheel

34 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about the length of a football field or 100 yards

about two truck lengths

about 1/4 mile

about two car lengths

35 / 40

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

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

pull hard on each slack adjuster while wearing gloves

36 / 40

A driver that hauls hazardous materials must attend training every:

2 years

3 years

None of these answers are correct

1 year

37 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

yes

when the vehicle is runaway

when the GVCW is above 20,000 lbs

38 / 40

What does the drain valve for air tanks remove?

air and oil

oil and water

oil and dirt

water and air

39 / 40

When transporting hazardous waste, you must:

Carry a uniform hazardous waste manifest in the truck.

Have the word "waste" before the name of the material on the bills.

Sign a uniform hazardous waste manifest.

All of these answers are correct.

40 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

In a fire-safe pouch under the passenger seat while you are driving.

In a fire-safe pouch under the driver's seat that you can reach while you are driving.

In a locked glove compartment anytime you are outside of the vehicle.

On the driver's seat anytime you are outside of the vehicle.

Your score is

The average score is 0%

5/5 - (2 votes)

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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