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

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

Every two hours or 100 miles.

Twice every day.

Every six hours.

Every 200 miles.

2 / 40

What action should you take before driving while drowsy?

drink energy drinks

pull off the road and get some sleep

open your vehicle windows for some fresh air

drink a cup of coffee

3 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

A ul rating of 10 b/c or above.

A ul rating of 15 abc.

Any of these are acceptable.

A ul rating of 5 b/c or above.

4 / 40

When conducting a pre-trip inspection, the most important item to verify is _____.

that the registration is in the cup holder

that the radio transmits a signal

that the tire tread is sufficient for the expected driving conditions

that there are no leaks in the air brake system

5 / 40

With the controlled braking method, you _____?

lightly apply braking pressure

apply the brakes as hard as you can without locking the wheels

repeatedly tap the brakes as fast as you can

apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

6 / 40

This object is not checked at the rear of the trailer.

The bumper

The back doors

The header board

The mud flaps

7 / 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?

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

continue on with your trip

8 / 40

What is the most important reason for doing a school bus inspection?

For safety required by federal, state, and local laws.

To give the mechanic something to do.

To check for flat tires.

To assist the school principal with their report.

9 / 40

Placarded vehicles must carry which type of fire extinguisher?

B-C fire extinguisher

C-D fire extinguisher

A-B fire extinguisher

Hazmat extinguisher

10 / 40

What is the reason that placards are used?

so hazmat is not mixed with food

to prevent terrorism

communicate the risk

it is the law

11 / 40

Off-tracking happens when going around a corner and:

the front part of the trailer pulls to the right

the rear wheels follow the front wheels in a straight path

the rear part of the trailer goes into the shoulder

the rear wheels follow a different pathway than that of the front wheels

12 / 40

Why should you cover cargo?

to protect individuals from any spilled cargo

to protect your cargo from bad weather

all of these answers are correct

because many states require it

13 / 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

true

only in a level loading dock

false

14 / 40

It has just reached freezing. Which of the following areas is slippery?

a bridge

wet-looking road

a shaded area

all of these answers are correct

15 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

The substance or material's hazard class.

The amount of a substance or material being shipped.

The manufacturing date for the materials.

The amount of all hazardous materials of all classes in your vehicle.

16 / 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.

17 / 40

One reason hauling liquids in tank vehciles require special care is:

Because of the extreme weight.

Because of the movement of the liquid.

Because of strong winds.

Because of uneven expansion.

18 / 40

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

look for brake lights from slowing vehicles

determine if there are any hills coming up

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

look for vehicles coming into your lane

19 / 40

If your bus is equipped with an emergency exit door, it must:

Always have a red door light turned on.

Not have any signs, stickers, or markings near it.

All of these answers are correct.

Be secured when the bus is being driven.

20 / 40

Of the following hazardous material classes, which is the most dangerous?

Division 61

Division 64

Division 63

Division 62

21 / 40

When driving tank vehicles you should:

Maintain the posted speed limit as you enter the curve.

None of the answers listed.

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

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

22 / 40

Which of the following must be closed while the bus is in motion?

Windows

Emergency windows

Roof vents

Both hatches

23 / 40

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

Bent or dinged lift floor.

Leaking, damaged, or missing wheelchairs.

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

Stripped screw drive linkages and fluid drips.

24 / 40

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

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

25 / 40

An emergency escape ramp should be used _____.

only when it is raining

any time the truck experiences a significant loss of braking power

only in ideal conditions

only when not carrying a load

26 / 40

When accelerating:

"hammer down" when your wheels start to spin

do not engage the clutch before you take your foot off the brake

always use the parking brake to slow down

speed up smoothly and gradually and avoid jerking

27 / 40

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

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

while on an level surface, test the emergency brake lines

28 / 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

maintaining properly inflated tires and an even load on the trailer

the length and weight of the vehicle

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

29 / 40

Select the step that comes first:

connect the air supply lines

apply a firm pressure to the trailer brakes

lower the landing gear

shift into reverse

30 / 40

Where should you place your warning devices if you must stop on a one-way or divided highway?

10 feet, 100 feet, and 200 feet toward approaching traffic

50 feet, 100 feet, and 150 feet toward approaching traffic

100 feet, 200 feet, and 300 feet toward approaching traffic

20 feet, 50 feet, and 100 feet toward approaching traffic

31 / 40

The safety valve is usually set to open at:

125 psi

225 psi

75 psi

150 psi

32 / 40

Which of the following is a key steering component?

bearing plate

gear box

leaf spring

torque rod

33 / 40

Select the true statement:

a bobtail tractor will take longer to stop than a combination vehicle that is loaded to the max

you should always ride the brakes

wait to brake heavy vehicles for as long as you can

light vehicles require more braking power than heavier vehicles

34 / 40

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

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

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

All answers listed.

Larger / heavier vehicles generally take longer to stop.

35 / 40

What does the drain valve for air tanks remove?

water and air

oil and dirt

oil and water

air and oil

36 / 40

Select how brakes work on long, steep downgrades:

it's the main braking mechanism with the engine braking system available for emergency situations

they are a supplement to the braking effect of the engine

it is the main braking mechanism

it does not do anything

37 / 40

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

3/32

2/32

4/32

1/32

38 / 40

What are the dividers that are inside tankers that have an opening at the bottom and top?

Layers

Taffles

Baffles

Bulkmets

39 / 40

Your rig should be parked on__to uncouple double trailers.

the company's lot

grass

a downgrade

level ground

40 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

Labeled

All of these answers are correct

Stored in the passenger compartment

Carried in a metal box

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