nebraska
CDL Practice Test

Prepare for your Nebraska CDL test here. You can take these Nebraska CDL practice test as many times you would like as you get ready to take the official test and earn your license. The best part? All of the tests on this site are 100% 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

The golden rule for school buses when approaching and crossing railroad tracks is:

Stop, look, and listen.

Stop, go, and stop.

Stop, look, and turn on the radio lights overhead.

None of these answers are correct.

2 / 40

Select the true statement in regards to the center of gravity for tanks:

The vehicle can turn over even when driving at the posted speed limit for curves.

None of the answers listed.

The vehicle can handle higher speeds around curves than other large trucks.

The center of gravity is generally lower than with other large trucks.

3 / 40

What is incorrect concerning disruptive passengers?

It may be safer to wait and discharge the disruptive passenger at the next scheduled stop or a well-lighted area where there are other people.

You must ensure the disurptive rider's safety as well as that of others.

You must remove the disruptive passenger immediately for the safety of the others.

Don't discharge such riders where it would be unsafe for them.

4 / 40

You should check the_____when loading small tanks equipped with bulkheads.

distribution of the weight

expansion rate

percentage of water

fuel to air ratio

5 / 40

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

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

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

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

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

6 / 40

When inspecting your bus, you must make sure that:

Rider signaling devices are working.

Emergency exit handles are secure.

Every handhold and railing is secure.

All of these answers are correct.

7 / 40

Remember to_____when steering to avoid a crash while driving doubles.

have both hands on the steering wheel

be prepared to counter-steer

all answers listed

keep your foot off the brake while turning

8 / 40

You should____in order to inspect the coupling.

make sure the locking lever is in the open position

make sure to have space between the lower and upper fifth wheel

have the fifth wheel jaws open

if necessary, use a flashlight

9 / 40

What are slack adjusters?

they are between the push rod on disc brakes and power screw

they are a part of the air brake system that adjusts the brakes

all of these answers are correct

they are between the S-Cam on drum brakes and the push rod

10 / 40

What might happen if you swing wide to the left before you turn right?

someone might try to pass you on your right

all of these answers are correct

you might damage your leaf springs

someone might try to pass you on your left

11 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

The seat/safety belt

The power steering belt

The water pump belt

The air compressor belt

12 / 40

What must vehicles with air brakes have?

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

an air pressure gauge that shows the pressure available for braking

a minimum of 2 air tanks

all of these answers are correct

13 / 40

A driver of a tanker should use an escape ramp when _____.

the vehicle has lost braking power

only when it's raining

only in ideal conditions

when the tanks has bulkheads

14 / 40

Which of the following types of cargo must never be carried on a bus with passengers?

Emergency drug shipments

Small arms ammunition (orm-d)

Tear gas

Emergency hospital supplies

15 / 40

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

6 seconds

11 seconds

8 seconds

13 seconds

16 / 40

There must not be more than_____for engine compartment belts.

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

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

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

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

17 / 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?

none of the answers listed

use a portable generator to supply brake pressure

supply air to the trailer air system via the tractor and then disconnect the emergency line

make sure the trailer will not roll away when coupling

18 / 40

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

look at your path

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

use a helper

use mirrors on both sides

19 / 40

The two other places where the hazardous identification number must appear are:

On the back of the truck and inside the glove compartment.

On a temporary license plate holder and the steering wheel.

On the gas tank and a sticker in the glove compartment.

Any bulk packaging and the cargo tanks.

20 / 40

What is the next step after securing the bus when you have an unruly child on board?

Unload the student at the next stop.

Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you.

Call school administrator or the police to remove the student.

Remove the student from the vehilce for the safety of the other children.

21 / 40

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

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

cross the air supply lines to test for leaks

press the seals together at a 90 degree angle

clean the couplers before connecting them

22 / 40

Which hazard classes must you NEVER smoke, or perform any activity involving fire, within 25 feet of?

Class 2 only

Class 4 only

Class 1 only

Classes 1, 2, 3, and 4

23 / 40

If you double your speed, what will happen to your stopping distance?

it stays about the same

it increases by four times

it increases by two times

none of these answers are correct answers are correct

24 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

brake drums

brake disc

air lines

slack adjusters

25 / 40

When fueling a placarded vehicle, someone must always be:

Be at the rear most corner on the vehicle.

Within 10 feet of the pump with a fire extinguisher.

At the emergency power shut off for the pump.

At the nozzle, controlling the fuel flow.

26 / 40

How do you release the dolly brakes when coupling twin trailers?

by flushing the brake line

by charging the air line

by opening the air tank petcock

by opening the shut off valve

27 / 40

What might happen if a trailer is too high when you try to couple?

the trailer may tip to the side

the queen pin may fall off

all answers listed

it may not correctly couple

28 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least five feet

At least ten feet

At least half a mile

At least twenty feet

29 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

All of these answers are correct.

The interlock applies the brakes and holds the throttle in idle position when the rear door is open.

The interlock releases when you close the rear door.

Do not use this safety feature in place of the parking brake.

30 / 40

The best way to test if the spring brakes come on automatically is to:

apply pressure on and off the brake pedal until the parkng brake valve pops out on tractor-trailer vehicles

all of these answers are correct

apply pressure on and off the brake pedal until the parking valve pops out on single vehicles

apply pressure on and off the brake pedal until the manufacturer's low psi specification has been met for the spring brakes to deploy

31 / 40

Select the true statement about dual air brake systems.

all of these answers are correct

there is a single set of brake controls

there is a primary system and a secondary system

one system controls the front axle and the other controls the rear axle

32 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

Air pressure gauge

Coolant pressure gauge

Voltmeter gauge

Oil pressure gauge

33 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

100 pounds

300 pounds

250 pounds

500 pounds

34 / 40

Air tanks need to be drained:

to keep the tanks warm when not in use

to keep the tanks cold when not in use

to prevent water and oil from building up in the tank

air tanks should absolutely never be drained

35 / 40

How do you check the power steering fluid?

Undo the oil fill cap and check the level.

By looking through the reservoir sight glass.

Via the power steering fluid dipstick.

Via indicator light on the dashboard.

36 / 40

A placarded vehicle must have at least ___ placards?

two

three

six

four

37 / 40

To prevent a roll over a driver can 1) keep the cargo as low to the ground as possible and 2) _____.

have the fifth wheel's free play as tight as possible

have the brakes properly adjusted

drive while intoxicated

take turns slowly

38 / 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

39 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

Emergency tear gas.

Emergency hospital supplies.

Emergency drug shipments.

Small arms ammunition (orm-d).

40 / 40

When driving tank vehicles you should:

None of the answers listed.

Come to a stop before entering a curve and then accelerate through it.

Maintain the posted speed limit as you enter the curve.

Decrease your speed before entering a curve and then accelerate through it.

Your score is

The average score is 0%

5/5 - (2 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get A nebraska Commercial Drivers License

To be eligible for a CDL in Nebraska, applicants must be a minimum of 18 years old to operate a commercial vehicle within the borders of Nebraska and 21 to drive outside of Nebraska.

Applicants must provide verification that they meet the medical requirements. Applicants must complete (Form MCSA-5876) Medical Examiner’s Certificate with an FCSA-approved physician. The document must be completed in its entirety and submitted to the Nebraska Department of Motor Vehicles via mail, fax or e-mail.

There are also restrictions on who is able to earn a CDL in Nebraska based on their past driving record as well. Potential CDL applicants who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Nebraska.

Endorsements
H – Hazardous Material
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Towing a Double or Triple Trailer
X – Combination Tank Vehicle and Hazardous Materials

Hit the Open Road

nebraska CDL License Test Tips

All Nebraska CDL applicants must pass the written knowledge test prior to taking the skills test. There are 50 questions on the general knowledge test, and applicants must answer 40 questions correctly. To be eligible for an endorsement, applicants must take a separate test for each endorsement. Applicants must answer 80 percent of the questions on each test correctly.

The Nebraska skills test includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each evaluation. Recent military veterans and current military members can qualify to have the skills test waived if they were discharged from the military within the past year or are currently enlisted in the reserves or service. Or, they are eligible if they have operated a motor vehicle equivalent to a commercial motor vehicle in the military. Applicants must complete an Application for Military Skills Test Waiver. This document must be certified by a commanding officer.

Additional Information

Information on the Nebraska Department of Motor Vehicles

The Nebraska Department of Motor Vehicles regulates the CDL license requirements in Nebraska. To get more information contact them via:

Website: https://dmv.nebraska.gov/cdl/cdl

Phone: 402.471.3861

Contact Locations: https://dmv.nebraska.gov/locations

Additional Nebraska CDL Helpful Links

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

nebraska CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A nebraska Commercial Drivers License

Hit the Open Road

nebraska CDL License Test Tips

Additional Information

Information on the Nebraska Department of Motor Vehicles

Additional Nebraska CDL Helpful Links

nebraska
CDL Practice Test