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

that the radio transmits a signal

that the registration is in the cup holder

that the tire tread is sufficient for the expected driving conditions

that there are no leaks in the air brake system

2 / 40

Which of the following statements about downshifting is NOT true?

downshift before climbing a hill

downshift before starting down a hill

downshift when you get to the bottom of a hill

downshift before entering a curve

3 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

True

True but only in ideal conditions

True but only in rainy conditions

False

4 / 40

Water is drained from the compressed air tanks because:

the water will over cool the compressor

the water could freeze in cold weather and cause braking failure

braking power is decreased due to the low boiling point of water

to keep the oil in the air compressor clean

5 / 40

What keeps air in the tanks should the air compressor develop a leak?

the air compressor

the one-way check vavle

the tractor relay valve

the engine protection valve

6 / 40

Your rig should be parked on__to uncouple double trailers.

a downgrade

the company's lot

level ground

grass

7 / 40

The best way to have control on curves is:

keep pressure on the brake pedal through the turn

to shift to a lower gear before entering the curve

to decrease to your safe speed before entering the curve and then accelerate through it

you do not need to do anything different

8 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

this is recommended as it is standard procedure

this is not recommended as it could could cause damage to the pintle hook

this is not recommended because it may result in injury

this is recommended because it keeps the trailer from tipping over

9 / 40

When you discharge an unruly passenger, you must choose a place that is:

Dark and poorly lighted.

As safe as possible, or the next stop.

Off the regular route.

The next stop.

10 / 40

What handling effect should you expect when your tank has baffles?

There will not be as much side to side surge compared to a tank without baffles.

There is no difference in handling when you have baffles.

The surge will be slower than a tank without baffles.

There will not be as much front to back surge compared to a tank without baffles.

11 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking attended vehicles loaded with flammable materials

an approved place for parking unattended vehicles loaded with radioactive materials

an approved place for parking unattended vehicles loaded with corrosive materials

12 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

In a fire-safe pouch under the driver's seat that you can reach while you are driving.

In a locked glove compartment anytime you are outside of the vehicle.

On the driver's seat anytime you are outside of the vehicle.

In a fire-safe pouch under the passenger seat while you are driving.

13 / 40

Select how brakes work on long, steep downgrades:

it does not do anything

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

it is the main braking mechanism

they are a supplement to the braking effect of the engine

14 / 40

Before pulling away, make sure the landing gear of the trailer is:

Down and that the handle is hanging free.

Down and that the handle is secured.

Raised and that the handle is hanging free.

Raised and that the handle is secured.

15 / 40

Another term for a smooth bore tank is:

A tank that is easily portable.

A tank that is made out of stainless steel.

A liquid tank that does not have baffles.

A liquid tank that has baffles.

16 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

A leak from the engine

Problems with the water pump

A leaking line or hose

All of these answers are correct

17 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

the tractor to lose all air pressure in the tanks

the tractor will gain air pressure

the tractor protection valve will close

the trailer supply valve will remain open

18 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

there is enough clearance between the landing gear and the tractor frame

the kingpin has been removed

the safety latch is in the open position

there is enough clearance between the lower and upper fifth wheel

19 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

none of the answers listed

all of the answers listed

increase your following distance

drive with extra care in mountains and in bad weather

20 / 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 25 feet.

At least 75 feet.

At least 100 feet.

At least 50 feet.

21 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

The lock pins

The catwalk

None of these answers are correct answers are correct

The locking jaw

22 / 40

What is the best way to see the sides and rear of your vehicle?

a helper

all of these answers are correct

your mirrors

rear view cameras

23 / 40

If you are drowsy, you should _____ before you drive.

get sleep

drink coffee

do a little exercise

take a cold shower

24 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

Only if you have more than 1,001 pounds of it

Yes

Only in populated areas

25 / 40

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

A ul rating of 5 b/c or above.

Any of these are acceptable.

A ul rating of 15 abc.

A ul rating of 10 b/c or above.

26 / 40

For any flatbed load you must have at least ____ tie downs.

six

four

two

one

27 / 40

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

Communicating risk.

Giving people something interesting to look at while driving.

Warning those with children to drive in another lane.

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

28 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

coolant level

washer fluid level

oil level

battery fluid level

29 / 40

Select the true statement about empty trucks:

empty trucks stop in the same distance as a fully loaded truck

they have poor traction due to wheel lockup and bouncing

empty trailers are easier to stop because there is not cargo shifting

they have a smaller stopping distance than full trailers

30 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

electric/air lines

lifts/door/ties

mud flaps

air brake lines

31 / 40

When should air tanks be drained?

at every restroom break stop

they don't need to be drained

every 7 days

at the end of each working day

32 / 40

What handling effect will baffles have?

There will be less side to side surging.

There will be less of surging front to back.

There will be an increase in slow surge.

None of the answers listed.

33 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class A

Class B

Class D

Class C

34 / 40

Select the definition for outage:

It is loss of power to the headlights.

It is how much power is lost to the hydraulics.

It is the process of liquid expansion as it becomes warm.

It is the liquid that must be drained off to meet legal carry limit.

35 / 40

When transporting both hazardous and non hazardous materials, your bills must:

Have the hazardous materials highlighted.

Any one of the above.

Identify the materials by the letter x or rq in the hm column.

Describe the hazardous materials first.

36 / 40

Select the true statement in regards to handing triples and doubles

none of the answers listed

due to the crack the whip effect, the rear trailer of a 100 foot triple is less likely to tip than a single trailer

a sudden movement of the steering wheel may result in the rear trailer tipping over

due to off tracking, a triple bottom rig can come to a stop quicker than a 5 axle semi trailer

37 / 40

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

Identification number

Descriptive name in roman print

Name in italics

Un marks

38 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

outside of the locking lever

through the locking lever

below the locking lever

above the locking lever

39 / 40

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

Baffles

Free walls

Layers

Bulktears

40 / 40

______is a device that connects the service and emergency air lines between the tractor and trailer.

Service lines

Glad hands

Top off valves

Relay knife

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