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

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

At least 100 feet.

At least 75 feet.

At least 50 feet.

At least 25 feet.

2 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

in a closed position

in a halfway open position

in an open position

in a 1/3 way open position

3 / 40

Which of the following are possible causes of tire fires?

improperly loaded cargo and dual tires that touch

poor cargo ventilation or short circuits

dual tires that touch and under-inflated tires

loose fuel connections or under-inflated tires

4 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

only at the end of a shift

false

only in a level loading dock

true

5 / 40

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

6 / 40

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

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

double check to make sure the trailer brakes are off

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

have a random pedestrian direct your path of travel

7 / 40

This object should not be worn dangerously thin where visible.

All answers listed

The brake linings

The brake chambers

The air system lines

8 / 40

Select the true statement in regards to stopping distance and speed:

Larger / heavier vehicles generally take longer to stop.

All answers listed.

You require 4 times as much stopping distance when driving at 40 mph compared to 20 mph.

A wet road will double the stopping distance at any speed.

9 / 40

What is a common cause of tire fires?

overinflated tires

underinflated tires

all of these answers are correct

cold tires

10 / 40

It is important to know the outage required for the liquids you carry because:

Some liquids will expand more than others when warm.

Tank baffles may not always be permitted with outage.

None of these answers are correct.

Some of the denser liquids don't need any.

11 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Exhaust system

Fuel tank

Air coolant system

Windshield fluid line

12 / 40

To find out if a shipment includes a hazardous material, you should:

Ask the driver.

Look at the shipping papers.

Open and inspect every package and container.

Check for a fence around the loading dock.

13 / 40

Where is compressed air stored?

in the hose lines

in the storage tank

in the compartment for the engine

in the gasoline tank

14 / 40

A disruptive passenger:

May be thrown off the bus.

Should not be discharged where it would be unsafe for them.

Is not your responsibility.

Should not be allowed on the bus.

15 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

invoice, shipping papers

shipping papers, package

trailer, packages

package, trailer

16 / 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 60 to 100 psi in 45 seconds

from 85 to 100 psi in 45 seconds

17 / 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

13 seconds

11 seconds

8 seconds

18 / 40

When checking the wheelchair lift, the things you should look for are:

Stripped screw drive linkages and fluid drips.

Bent or dinged lift floor.

Leaking, damaged, or missing wheelchairs.

Leaking, damaged, or missing parts and that the lift is fully retracted and latched.

19 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

Do not park within 200 feet.

Do not park within 300 feet.

Do not park within 500 feet.

Do not park within 100 feet.

20 / 40

Which of the following statements about special danger of loading and unloading is true?

Students should be told to pick up any dropped objects as long as it is not under the bus.

Students should be told to remain seated while the bus is in motion.

Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

Students should be told to leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

21 / 40

What is most likely to occur when the front wheels begin to skid?

All answers listed.

The power of the surge will disconnect the tank from the truck.

A roll over will occur.

You will continue heading in a straight line and moving forward no matter what direction you turn the steering wheel.

22 / 40

Most states require school bus drivers to take a physical examination:

Twice per year

Every 3 years

Annually

Every 2 years

23 / 40

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

about 1/4 mile

about two car lengths

about two truck lengths

about the length of a football field or 100 yards

24 / 40

Which of the following is the most important reason for doing a pre-trip inspection?

because other drivers do it

to make sure the vehicle will make your destination

safety for yourself and other road users

to make sure nothing has been stolen from the vehicle

25 / 40

You should___to reduce the air leakage rate.

leave the engine running while charging the air system

monitor the air pressure gauge as you press on the brake pedal

release the service brake as the engine is running

release the service brake after turning off the engine

26 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

there is no way to know if there is an issue

you will be unable to realse the trailer brakes

you will have brakes that are not operational

you will be unable to release the tractor brakes

27 / 40

How far away are you required to park from a bridge, tunnel, or building if you are carrying Division 1.2 or 1.3 materials?

At least 300 feet

At least 500 feet

At least 400 feet

At least 600 feet

28 / 40

Select the true statement about slack adjusters:

they should move a minimum of 2 inches from the push rod attachment

they should only be adjusted by a mechanic that is certified in slack adjusters

they can be adjusted automatically or manually

they do not ever need to be adjusted

29 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

Class 1 explosives, class 3 flammable liquids, and division 21 flammable gas.

None of these answers are correct.

Class 2 explosives, class 3 flammable solids, and division 21 inhalation hazard.

Class 1 explosives, class 8 corrosives, and division 5 oxidizers.

30 / 40

What kind of surge can occur in a tank with baffles?

Back to front

Side to side

Bottom to top

All answers listed

31 / 40

When transporting hazardous loads, you must check the tires at least:

Twice every day.

Every 200 miles.

Every six hours.

Every two hours or 100 miles.

32 / 40

The minimum tread depth for tires other than the front tires is ____.

1/32

2/32

3/32

4/32

33 / 40

Which of the following statements is FALSE:

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

Do not talk with riders or engage in any other distracting activity while driving.

Do not transport intoxicated passengers.

34 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

Locking pins

Locking jaw

Tandem release arm

Lug nuts

35 / 40

Select the true statement:

Lighter vehicles requiring more braking power to stop compared to heavier vehicles.

None of the answers listed.

Wait as long as possible to brake when driving a heavy vehicle.

A "bobtail" tractor will take longer to stop than a combination vehicle that is fully loaded down to the maximum weight.

36 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

on the other side of a divided highway

within 10 feet of the front or rear corners

about 100 feet behind your vehicle

about 100 feet in front of your vehicle

37 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

exhaust

fifth wheel

none of the answers listed

air brake system

38 / 40

Select the true statement about what the Air Compressor Governor controls:

it controls when the warning system is activated

it controls when the brakes will be applied

it controls when the air compressor pumps air into the storage tanks

it controls when air is released from the storage tank

39 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

The apron

The platform

The header board

The fifth wheel

40 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle power system fails in some way

True

False, it's when the vehicle engine fails in some way

False, it's when the vehicle air braking system fails in some way

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