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 manual says you should look _____ ahead while driving.

5 to 8 seconds, at highway speeds, about an eighth of a mile

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

12 to 15 seconds, at highway speeds, about a quarter of a mile

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

2 / 40

The air leakage rate for a combination vehicle should not exceed ____psi a minute.

3 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

Locking pins

Rock jaw

Kingpin

Pintle hook

4 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

5 / 40

You should be in the proper gear before going down a hill because:

brakes may fail or fade from excessive heat due to relying on them too much and not using the engine brake effect

water may build up in the air tanks if you do not rely on the engine brake

it helps control your speed better

it builds up the air pressure in the air tanks

6 / 40

What is the benefit of ABS?

it provides an added layer of safety for truck drivers

it prevents the wheels from locking up during heavy braking or slippery conditions

it decreases your stopping distance

all of these answers are correct

7 / 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 brake pushrod

The air lines

The bounce absorbers

8 / 40

Overhead inside mirror is used to:

See the blind spot immediately behind the bus.

See the area where students exit the bus.

Monitor traffic that approaches and enters the blind spot area.

See all of the students.

9 / 40

Suspension systems:

keep the steering wheel tight

keep the brake drums from failing

keep the axles in place

keep the load secure

10 / 40

Select what you should do before leaving the vehicle unattended:

apply the parking brakes

remove the keys from the ignition

chock the wheels

all of these answers are correct

11 / 40

You must be alert for road hazards so that:

Law enforcement personnel can be called.

Accident reports will be accurate.

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

You can help impaired drivers.

12 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

6 psi a minute

2 psi a minute

5 psi a minute

3 psi a minute

13 / 40

When would you lock some emergency roof hatches in a partly open position?

Whenever you enter a tunnel

First day of spring

Never

For fresh air

14 / 40

An example of a low pressure warning signal for air brakes is:

a buzzer

all of these answers are correct

a wig wag mechanical arm

red light

15 / 40

How do you test the trailer service brakes?

apply the hand control and check to see if you feel the trailer brakes come on

apply pressure to the brake pedal

test the brakes out while driving at 5 mph

release air to the spring brakes

16 / 40

The object that doesn't get checked at the side of the trailer is the:

Electrical/air connections

The frame

The locking pins/tandem release arm

The landing gear

17 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

Any more than safety required.

Any more than 500 feet.

Any more that 450 feet.

In an upwind direction.

18 / 40

Select the true statement about dual air brake systems:

they have a single set of air tanks and hoses

they are required to have two warning alarms

they require less time to build up air pressure

they have one set of controls for two air brake systems

19 / 40

Signs of distracted drivers include:

drivers having conversations with passengers

individuals driving at a consistent speed above the speed limit

vehicles exiting the roadway

individuals listening to music too loudly

20 / 40

Select the true statement in regards to when a bulk tank vehicle stops at an intersection on a slippery surface:

The movement of the liquid may push the truck into the intersection.

The liquid may leak out of the tank.

The trailer may slide to the side due to the rocking motion.

The trailer may slide into the oncoming traffic.

21 / 40

The safety valve is usually set to open at:

125 psi

150 psi

225 psi

75 psi

22 / 40

A safe haven is:

A place where it is safe to dump any kind of hazardous materials.

A place that has been approved to park unattended vehicles carrying explosives.

The slang term for the last stop at the end of your driving day when carrying hazardous materials.

A place to stay once you have reported your company for illegal activity.

23 / 40

Off-tracking happens when going around a corner and:

the rear part of the trailer goes into the shoulder

the front part of the trailer pulls to the right

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

the rear wheels follow the front wheels in a straight path

24 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

disconnect the air supply lines after supplying air to the trailer air system via the tractor

make sure the trailer won't roll when coupling

have the trailer electric cord to a generator so it can supply braking power

go ahead and couple it

25 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

To decease heat and noise.

To prevent any steering problems.

To make sure the electrical connections are good.

To make sure that uncoupling easier.

26 / 40

Forward and back surge is powerful in this type of tanker.

Smooth bore

Bulktruck

Hard stroke

Waffle

27 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

Classes 1, 4, and 51

Classes 1, 3, and 6

Classes 1, 3, and 4

Classes 1, 21, and 3

28 / 40

The sliding mechanism and locking device for a tandem axle on trailers is:

Apron

Locking pins/tandem release arm

Metal frame

Suspension system

29 / 40

Which of these is a good rule for backing a straight bus?

Use your head as the mirrors are unreliable.

Back toward the side opposite the driver.

Back quickly while no one is coming.

Back and turn toward the driver's side.

30 / 40

A trailer is at the right height to have the tractor backed up to it when:

the kingpin is about 1 1/5 inches above the fifth wheel

it'll raise slightly when the tractor is backed up under it

the top of the kingpin is even with the bottom of the fifth wheel

the fifth wheel will not come in contact with the kingpin

31 / 40

Which of the following statements about downshifting is NOT true?

downshift before entering a curve

downshift before starting down a hill

downshift before climbing a hill

downshift when you get to the bottom of a hill

32 / 40

The shipping papers for hazardous materials can be found:

In clear view, within reach while driving.

On the driver's seat when out of the vehicle.

In a pouch on the driver's door.

Any of the above locations.

33 / 40

What can side to side surge cause?

A roll over.

An engine system failure.

An increase in speed.

A spontaneous combustion.

34 / 40

How do you release the dolly brakes when coupling twin trailers?

by flushing the brake line

by opening the shut off valve

by charging the air line

by opening the air tank petcock

35 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

only when the vehicle has over 60,000 miles on it

false

only when the vehicle has over 25,000 miles on it

true

36 / 40

What must vehicles with air brakes have?

all of these answers are correct

a minimum of 2 air tanks

an air pressure gauge that shows how much air is used by the brake chambers for braking

an air pressure gauge that shows the pressure available for braking

37 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

a guide explaining what materials can be hauled together in the same vehicle

a guidebook for firefighters, police, industry workers, truck drivers, dock workers, and shippers on how to protect themselves and the public from hazardous materials

a guide explaining what materials can be hauled together in the same vehicle and a guidebook for firefighters, police, and industry workers on how to protect themselves and the public from hazardous materials

none of these answers are correct

38 / 40

There must not be more than_____for engine compartment belts.

3/4 inch of play at the center of the belt

1/2 inch of play at the center of the belt

1/2 inch of play at the end of the belts

1/4 inch of play at the ends of the belt

39 / 40

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

keep a firm pressure on the brake pedal

use the emergency brakes only

use stab or controlled braking

turn off the abs and brace for impact

40 / 40

Select the step that comes first:

connect the air supply lines

shift into reverse

lower the landing gear

apply a firm pressure to the trailer brakes

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