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

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

3 psi in a minute

5 psi in a minute

2 psi in a minute

4 psi in a minute

2 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

high

narrow

long

low

3 / 40

How often should you check the tires if your placarded trailer has dual tires?

Check tires every 2 hours or 100 miles.

Check tires every 4 hours or 200 miles.

Check tires every hour or 75 miles.

Check tires every 3 hours or 150 miles.

4 / 40

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

This is engine-specific

40-60 psi

30-75 psi

20-30 psi

5 / 40

Remember to_____when steering to avoid a crash while driving doubles.

keep your foot off the brake while turning

have both hands on the steering wheel

all answers listed

be prepared to counter-steer

6 / 40

The baffles in a tank trailer help to control:

The movement of liquid from front to back.

The overall weight of the vehicle.

The flow of liquid side to side.

The distrubition of weight.

7 / 40

Select the best description of a baffle tank:

They are divided and have holes for liquid to flow through controlling surge.

They are tanks divided down into multiple smaller tanks.

None of the answers listed.

It is one large tank.

8 / 40

What is the purpose of the supply pressure gauge?

to inform you of how much air is in the tank

to inform you about how hot the air in the tank is

to inform you if there is too little air in the tank

all of these answers are correct

9 / 40

Buses may NOT have recapped or regrooved tires:

On front wheels.

Anywhere except on the front wheels.

When it's been raining.

On the outside rear wheels.

10 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

you should monitor the tractor and trailer as you decrease your speed to keep control

you should drive at a higher speed to keep the trailer in line

only use the braking that is necessary to safely stay in control of the vehicle

you should brake in the same manner regardless of what you are driving

11 / 40

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

Back to front

All answers listed

Side to side

Bottom to top

12 / 40

You should_____when an emergency requires you to quickly stop your tanker.

use the emergency brakes only

use stab or controlled braking

turn off the abs and brace for impact

keep a firm pressure on the brake pedal

13 / 40

Why are you required to take an exam about air brakes?

all trucks have air brakes

you cannot receive a CDL at all otherwise

you would have to get a CDL with a restriction otherwise

it is a federal requirement

14 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

Securing the bus.

Dangle the radio microphone out of the driver window for later use.

Opening the emergency exits.

Notifying the dispatch office of the evacuation.

15 / 40

Select which vehicles are required to have a low air pressure warning signal:

all vehicles built after 2010

they are optional

all vehicles built after 2005

all operating vehicles with air brakes

16 / 40

How should the hand valve be used?

only in emergency situations

to test the trailer brakes

only in conjuction with the foot brake

when the trailer is fully loaded down

17 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

0.85

0.65

0.5

0.72

18 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

it is possible that the dolly tow bar could fly up making it difficult to re-couple

so the rear-trailer's air brake system will stay charged and keep the trailer wheels locked to prevent rolling

to provide additional lateral stabilization to the front trailer

removing the dolly before uncoupling is not the correct procedure

19 / 40

You should adjust all the outside left and right side convex mirrors to see:

200 feet behind the bus.

The right and left front tires touching the ground.

The entire area to the rear of the mirror along the side of the bus.

The children's exit path out of the main bus door.

20 / 40

Select the statement that is not part of the air-brake system:

service brake system

clutch brake system

emergency brake system

parking brake system

21 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

Voltmeter

Coolant system

Power steering

Oil pressure

22 / 40

At what "cut out" level does the governor stop pumping air?

125 psi

75 psi

100 psi

150 psi

23 / 40

What can side to side surge cause?

A spontaneous combustion.

An engine system failure.

A roll over.

An increase in speed.

24 / 40

What is NOT one of the four skill areas that operating a commercial vehicle requires?

safely backing

accelerating

steering

first aid certification

25 / 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

Only in populated areas

Yes

26 / 40

An air system that is fully charged will typically have ___ psi of pressure.

200

125

250

27 / 40

Select why you should not use the trailer hand valve while driving:

it will cause the tractor to shake

it does not work as well as the foot brake does

you should only ever use the parking brake

there is a possibility it will make the trailer skid

28 / 40

Select the true statement in regards to quick steering movements and double trailers:

nothing will occur

it is easier to tip doubles and triples from quick steering movements than other vehicles

you should apply a firm pressure to the brake pedal at the same moment you do quick steering movements

it is easier to countersteer doubles/triples than other vehicles

29 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

The locking kingpin

The fifth wheel

The platform

The catwalk

30 / 40

Which of the following statements about overhead space is true?

the heights posted at bridges are usually accurate

warning lights are always installed on low bridges and overpasses

an empty van is lower than a loaded one

the weight of the cargo changes a truck's height

31 / 40

The amount of liquid you can carry depends on:

All answers listed.

How much you can legally carry.

The density or weight of the liquid.

How much the liquid will expand during the trip.

32 / 40

When must a driver’s inspection report be completed?

All of these answers are correct.

Only if defects are found.

At the end of each shift.

Before driving your bus.

33 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

Place transmission in park or neutral and set parking brake.

Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach.

Activate the amber flashing caution lights to warn vehicles that the bus will stop to load passengers soon.

Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus.

34 / 40

You should check that the _____are secure, caps are on tight, and is not leaking.

coolant system

cb radio

fuel tanks

none of the answers listed

35 / 40

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

15 to 50 feet

10 to 35 feet

50 to 75 feet

100 feet exactly

36 / 40

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

that there are no leaks in the air brake system

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

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.

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

All of these answers are necessary qualifications.

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

38 / 40

What does the drain valve for air tanks remove?

oil and water

oil and dirt

water and air

air and oil

39 / 40

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

about 100 feet behind your vehicle

about 100 feet in front of your vehicle

within 10 feet of the front or rear corners

on the other side of a divided highway

40 / 40

Select the true statement about seeing ahead.

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

many individuals do not look far enough ahead while driving

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

all answers listed

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