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

You must control how far packages labeled "Radioactive II" or "Radioactive III" are located from people and cargo space walls by referring to:

The table of hazardous materials.

The transport index and the separation distances table.

The list of hazardous materials and reportable quantities.

The segregation and separation chart.

2 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Instruct the rider to sit next to an open window.

Not allow the rider to do it.

Put the materials in the bus's "safe box".

Have the rider pay a second fare.

3 / 40

What are spring brakes?

they are large springs that are held closed by air pressure if the air pressure is increased the brakes are applied

they are big springs with air pressure in them if the air pressure decreases, the brakes are applied

none of the answers listed

they are powerful springs that are restrained by air pressure when the air pressure is removed, the brakes are applied

4 / 40

When transporting explosives you may not park:

Within 300 feet of a tunnel.

Within 5 feet of the traveled part of the road.

All of these answers are correct.

Near an open fire.

5 / 40

Cargo tanks ____.

are tanks that the military uses to transport hazardous materials

are large drums used to contain hazmat that is loaded on a trailer

are bulk packagings permanently attached to a vehicle

are large drums temporarily attached to a vehicle

6 / 40

This gauge will indicate if the generator or alternator is charging:

Voltmeter/ammeter

Coolant

Gas tank

Oil pressure

7 / 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

8 / 40

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

only in ideal conditions

true

false

only on downgrades

9 / 40

This should have no illegal stickers, dirt, obstructions, or damage to the glass.

The headlights

None of the answers listed

Mirrors and windshield

The rearview mirror

10 / 40

When should air tanks be drained?

they don't need to be drained

at every restroom break stop

at the end of each working day

every 7 days

11 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

monitor the air pressure gauge

all of these answers are correct

decrease the tank pressure by stepping on and off the brake

run the engine at a fast idle

12 / 40

Suspension systems:

keep the load secure

keep the axles in place

keep the brake drums from failing

keep the steering wheel tight

13 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

Name in italics

Un marks

Identification number

Descriptive name in roman print

14 / 40

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

when the governor stops between 75-90 psi

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

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

15 / 40

What do you check when doing a visual inspection of the coupling?

that the locking jaw is closed around the kingpin and that there is no space between the upper and lower fifth wheel

the locking jaw is closed around the kingpin and there is no space beween the lower and upper fifth wheel

that the locking jaw is open around the kingpin and that there is some space between the lower and upper fifth wheel

none of the answers listed

16 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

Leave your truck parked with emergency lights on and walk for help.

Send someone for help with all the necessary information.

Keep driving, slowly and cautiously, until you reach a phone.

Keep driving for help as quickly as possible.

17 / 40

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

50 to 75 feet

15 to 50 feet

10 to 35 feet

100 feet exactly

18 / 40

Why is it dangerous to unlock the pintle hook with the dolly still under the rear trailer?

the kingpin may snap in half

the spring brakes may release

the dolly tow bar may fly up

the fifth wheel may be misaligned

19 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

the service brakes will move to a fully applied position

the emergency air line will release air

you should hear air escape from the open valve

none of the answers listed

20 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

see if the air pressure drops more than 4 lbs in a minute while holding it down for a full minute in a combination vehicle

both of the answers listed

see if the air pressure drops more than 3 lbs in a minute while holding it down for that full minute in a single vehicle

none of the answers listed

21 / 40

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

All answers listed.

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

Larger / heavier vehicles generally take longer to stop.

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

22 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

Class 6 poisons

Class 3 flammable liquids

Class 1 explosives

Class 7 radioactive materials

23 / 40

Where are shut-off valves located?

at the front of the trailer

at the back of the trailer

either at the front or the back of the trailer

at the front and back of the trailer

24 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

yes

only at the end of the shift

only every 7 days

25 / 40

The manual says you should look _____ ahead while driving.

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

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

26 / 40

Do empty trucks have the best braking?

yes, but only if the truck is newer than 1998

yes

yes, but only on wet surfaces

27 / 40

Buses may carry small-arms ammunition labeled ORM-D, emergency hospital supplies, and drugs. However, buses must never carry:

More than 250 pounds total of all allowed hazardous materials.

More than 750 pounds total of allowed hazardous materials, and no more than 100 pounds of any one class.

More than 1000 pounds total of allowed hazardous materials, and no more than 200 pounds of any one class.

More than 500 pounds total of allowed hazardous materials, and no more than 100 pounds of any one class.

28 / 40

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

20-30 psi

30-75 psi

This is engine-specific

40-60 psi

29 / 40

Secure baggage and freight in ways that avoid damage and:

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

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

All of these answers are correct.

Allow the driver to move freely and easily.

30 / 40

What is a technical name?

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

The medical term for hazardous materials used by medical personnel.

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

The name for a hazardous material most commonly used on the street.

31 / 40

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

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

All of these answers are correct.

The interlock releases when you close the rear door.

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

32 / 40

Select the true statement in regards to an application pressure gauge:

it prevents the brakes from failing

when accelerating it releases air

it shows how much air pressure you are applying to the brakes

it is connected to the generator

33 / 40

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

dull section

shank

tip

apex

34 / 40

Select the two things that are important in preventing a rollover:

drive slowly around turns and keep the center of gravity of the cargo as high as possible

drive slowly around turns and keep the cargo as close to the ground as possible

maintaining properly inflated tires and an even load on the trailer

the length and weight of the vehicle

35 / 40

Which of the following are possible causes of tire fires?

poor cargo ventilation or short circuits

dual tires that touch and under-inflated tires

improperly loaded cargo and dual tires that touch

loose fuel connections or under-inflated tires

36 / 40

What gauge on the dashboard indicates electrical system charging rate?

The ammeter/voltmeter

The air gauge

The coolant pressure gauge

The power gauge

37 / 40

Which of the following is a necessary qualification for non-bulk packaging?

Maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid.

A maximum capacity of 450 l or less if it is used as a receptacle for liquids.

Maximum water capacity of 454 kg or less if used as a receptacle for gases.

All of these answers are necessary qualifications.

38 / 40

When does stab braking occur?

apply pressure all the way on the brake pedal

when the wheels start rolling, apply the brakes

all of these answers are correct

when the wheels lock up, release the brakes

39 / 40

What are some of the important parts in the steering system?

rim, lug nuts, tire

leaf spring, vehicle frame, torque rod

main spring, axle, spring shackle

tie rod, spindle, pitman arm

40 / 40

____is the most common type of foundation brakes used by heavy vehicles.

Rectangle brakes

None of the answers listed

S-Cam drum

Wedge drum

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