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 walls that separate compartments inside the tanks and having openings at the top and bottom are called:

Layers

Free walls

Bulktears

Baffles

2 / 40

If the hazardous materials are classified as FORBIDDEN you should:

Remove the placards from the trailer.

Place the materials in the front of the trailer.

Refuse the load.

Take special caution in transporting the material.

3 / 40

Front wheel brakes are good under what kind of conditions?

ideal weather conditions

they are not ideal

any weather conditons

icy or wet conditions

4 / 40

You must be alert for road hazards so that:

Law enforcement personnel can be called.

You will have time to plan your escape if the hazard becomes an emergency.

Accident reports will be accurate.

You can help impaired drivers.

5 / 40

What are the three types of emergency equipment that you must have with your vehicle?

first aid kit, fire extinguisher, flares

none of these answers are correct

warning devices for parked vehicles, first aid kit, flares

fire extinguisher, spare electrical fuses, warning devices for parked vehicles

6 / 40

A tractor should not be backed under a trailer until the whole air system is:

at a normal pressure

is between 40 and 60 psi

is between 50 and 80 psi

is at half of the maximum pressure

7 / 40

Five hazard classes that require placarding in any amount are ______.

none of these answers are correct

explosives 11, corrosive 8, flammable 3, explosives 14, and poison 61

poison gas 23, dangerous when wet 43, explosives 13, explosives 12, and explosives 11

corrosive 4, hazardous 14, flammable 2, explosives 7, and radioactive 12

8 / 40

Be careful to check the_____when unloading the smaller tanks of bulk heads.

percentage of alcohol

weight distribution

the fuel to air ratio

percentage of water

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

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

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

crank the engine brake

10 / 40

Select the inappropriate way to test for the low pressure warning signal.

have the electrical power on

turn off the engine

ask for a pedestrian to listen for the signal

decreased the air pressure by stepping on and off the brake pedal

11 / 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

12 / 40

Select what you should do before leaving the vehicle unattended:

all of these answers are correct

apply the parking brakes

remove the keys from the ignition

chock the wheels

13 / 40

An "A/W" the first column of the hazardous materials table means:

This material is only restricted when shipped by air and/or water.

There is no restrictions with this material if shipped by water only.

This material has no restrictions when shipped by air and/or water.

It is ok to ship this material by air only.

14 / 40

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

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

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

More than 250 pounds total of all allowed hazardous materials.

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

15 / 40

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

Lug nuts

None of the answers listed

Bolt spacers

Rims

16 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

under loaded front axles

too much weight on the steering axles

too little weight on the driving axles

high center of gravity

17 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

Budd spacing or spacers

Tire rims

Lug bolts

All answers listed

18 / 40

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

apex

tip

shank

dull section

19 / 40

What do yo need to do before supplying air to the air tanks of the second trailer?

close the shut off valves at the back of the second trailer and open the shut off valves at the back of the first trailer

open the shut off valves at the back of the first and second trailer

open the shut off valves at the back of the second trailer and close the shut off valves at the back of the first trailer

close the shut off valves at the back of the first and second trailer

20 / 40

Select the true statement in regards to what the fifth wheel should be checked for.

if the jaws are open

if it is properly greased

all answers listed

if there is any missing or damaged parts

21 / 40

Select the factors that can cause your brakes to fade or fail:

not relying on engine braking enough

using the service brakes excessively

all of these answers are correct

the brakes are out of adjustment

22 / 40

What does the amount of liquid you can carry depend on?

The outage of the liquid.

The vehicle's horsepower rating.

The material the baffles are made from.

The center of gravity.

23 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

4 years

3 years

1 years

2 years

24 / 40

Select the true statement about seeing ahead.

many individuals do not look far enough ahead while driving

you should look up to 1/4 mile ahead when driving at highway speeds

all answers listed

good drivers will shift their attention from far and near and back and forth

25 / 40

When transporting explosives you may not park:

Within 5 feet of the traveled part of the road.

All of these answers are correct.

Near an open fire.

Within 300 feet of a tunnel.

26 / 40

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

Fire extinguisher, spare electric fuses, and reflectors.

Hydraulic jack, fire extinguisher, and signal flares.

Spare electric fuses, fire extinguisher, and accident reporting kit.

Reflectors, fire extinguisher, and accident reporting kit.

27 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

licensed, manifest

responsible, papers

trucking, uniform hazardous waste manifest

registered, uniform hazardous waste manifest

28 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

yes

for large vehicles only

for small vehicles only

29 / 40

Bus drivers must have a commercial driver license if they drive a vehicle designed to seat more than:

15 or more persons, including the driver.

20 or more persons, excluding the driver.

16 or more persons, including the driver.

10 or more persons, including the driver.

30 / 40

What is the purpose of a driver placarding his or her vehicle?

Giving people something interesting to look at while driving.

Forcing other drivers to stay 20 feet away in every direction.

Warning those with children to drive in another lane.

Communicating risk.

31 / 40

You should_____to uncouple the converter dolly.

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

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

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

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

32 / 40

What is a passive railway crossing?

The type of crossing with no cross buck sign.

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

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

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

33 / 40

Drivers placard their vehicle to _____ the risk.

take away

elevate

minimize

communicate

34 / 40

To avoid rollover when going through a curve, the best thing to do is:

Ride the brakes through the curve.

Drive at a speed higher than the posted speed limit.

Drive at a speed below the posted speed limit.

Pump the brakes through the curve.

35 / 40

Which of the following statements is true about speed management?

Speed limits for buses are the same as cars.

You should be able to stop within the distance that you can see ahead.

All of these answers are correct.

The posted speed limit is safe for all conditions.

36 / 40

You are required to have a tank endorsement when transporting:

Materials that are hazardous

Gas or liquid

Bulk fertilizer

Passengers

37 / 40

When is it best to wear your seat belt?

Only if your bus holds more than 27 people.

Only when you will be driving over 35 mph.

Always.

Only if required by company policy.

38 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

70 psi

20 psi

40 psi

They should never pop out

39 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

The brake chambers

The bounce absorbers

The brake pushrod

The air lines

40 / 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 segregation and separation chart.

The list of hazardous materials and reportable quantities.

The table of hazardous materials.

The transport index and the separation distances table.

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