nevada
CDL Practice Test

Welcome to the Nevada CDL practice test site. You are welcome to take these CDL practice tests as many times as you like as the tests are 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

Before backing under the trailer after connecting the air lines you should:

have a random pedestrian direct your path of travel

double check to make sure the trailer brakes are off

supply air to the trailer system and then pull the air supply knob out

take a walk around the vehicle to make sure it is clear of obstructions

2 / 40

The emergency air line is _____and the service air line is____.

yellow, white

white, blue

red, green

red, blue

3 / 40

What should you do before you begin to couple?

check your path for any hazards

position the fifth wheel beforehand

inspect the condition of the frame of the tractor

activate the spring brakes

4 / 40

The two main things to look ahead for while driving are _____.

truck stops and police

fire and flooding

traffic and road conditions

bridges and tunnels

5 / 40

What gauge on the dashboard indicates electrical system charging rate?

The air gauge

The ammeter/voltmeter

The coolant pressure gauge

The power gauge

6 / 40

Select what you should not do when coupling the glad hands.

press the seals together at a 90 degree angle

cross the air supply lines to test for leaks

make sure to match the colors or check the tags before connecting

clean the couplers before connecting them

7 / 40

The method used to make sure the spring brakes will come on automatically is to:

Apply pressure on and off the brake pedal to increase the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure drops to 120 psi.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure while driving at a high a speed. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

8 / 40

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

Rock jaw

Locking pins

Kingpin

Pintle hook

9 / 40

The interlock system for the brake and accelerator on a transit coach may be used:

All of these answers are correct.

To replace the parking brake.

To replace the rear door emergency buzzer.

As a safety feature when the exit door is open.

10 / 40

When should you drain air tanks that do not have an automatic tank drain?

at the end of each working day

every 4 hours of the working shift

once every 7 days

once every 14 days

11 / 40

What is the main difference between a portable tank and a cargo tank?

Portable tanks must additionally show the owner or lessee's name on them.

Cargo tanks are permanently attached, portable tanks are temporarily attached.

Cargo tanks are filled while on the vehicle, portable tanks are filled while off the vehicle.

All of these answers are correct.

12 / 40

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

Carried in a metal box

Stored in the passenger compartment

Labeled

All of these answers are correct

13 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

14 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

Tires

Mud flaps

The lockjaw

Electric/air lines

15 / 40

A battery box check is important. The battery must be secure, connection must be tight, and cell caps must be present. In addition these items should be checked:

Battery connections should not show signs of excessive corrosion, and the battery box and cover or door should not be damaged and should be secure.

The fluid level inside the battery.

Battery connections should not show signs of excessive corrosion, but the battery box and cover or door is unimportant.

Battery connection should show signs of excessive wear.

16 / 40

What placards, if any, do you need if your load includes 20 pounds of Division 2.3 gas and 1,001 pounds of flammable gas?

Poison 23 and flammable gas 21.

None, you cannot load these materials together.

Poison 23 and dangerous.

Just dangerous placards are required.

17 / 40

Tires should should be replaced:

all of these answers are correct

if the tread depth on your front tires is less than 4/32 deep

when there are broken valve stems

when the tread separates

18 / 40

You must first______to supply air to the trailer.

push in the tractor protection valve

pull out the tractor protection valve

cross the air lines to check for the presence of leaks

turn off the engine so you can hear the brakes

19 / 40

What does outage mean?

It is how quickly the tanks drain.

It is the weight of the liquid.

It is the allowance needed for the expansion of liquid.

It is the movement of the liquid.

20 / 40

Do empty trucks have the best braking?

yes

yes, but only on wet surfaces

yes, but only if the truck is newer than 1998

21 / 40

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

safely backing

first aid certification

steering

accelerating

22 / 40

You should make sure the_____before backing under a trailer.

trailer brakes are locked down

tractor shut off valve is normal

landing gear is fully raised

air brakes have been shut off

23 / 40

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

weight distribution

percentage of alcohol

the fuel to air ratio

percentage of water

24 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

500 pounds

250 pounds

100 pounds

300 pounds

25 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

Flares or fuses

All of these answers are correct

Reflective triangles

Signal fires

26 / 40

The 3 parts of the air brake system are: service brakes, parking brakes, and ____.

foot brakes

v-cam brakes

bolt brakes

disc brakes

27 / 40

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

Class D

Class B

Class C

Class A

28 / 40

The minimum tire tread depth for front tires is:

1/32-inch

1/2-inch

3/8-inch

4/32-inch

29 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

the trailer wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to follow the tractor and straighten out

this is the only situation in which you should use the hand brake

the tractor wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to push the tractor and straighten out

none of the answers listed

30 / 40

Where are shut off valves located on trailers that are doubles or triples?

on emergency and service air lines

on service air lines

on emergency air lines

on parking brake lines

31 / 40

Which of the following is a recommended procedure when unloading the students?

Tell students to remain seated until they are told to exit.

Position yourself outside of the bus in front of crossover mirror to supervise unloading.

Let the students begin moving to the front of the bus before it's fully stopped to maximize efficiency.

Put the transmission in neutral gear and put on the brakes.

32 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

in a 1/3 way open position

in a closed position

in a halfway open position

in an open position

33 / 40

The minimum tread depth for steering axle tires is:

14 mm

2/23 inch

None of the answers listed

4/32 inch

34 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

none of the answers listed

3 psi a minute

4 psi a minute

1 psi a minute

35 / 40

What is the best way to stop all skids?

restore traction back to the tires

accelerate and countersteer

quickly turn the steering wheel side to side

use controlled or stab braking

36 / 40

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

is between 50 and 80 psi

at a normal pressure

is at half of the maximum pressure

is between 40 and 60 psi

37 / 40

What can side to side surge cause?

A roll over.

An increase in speed.

A spontaneous combustion.

An engine system failure.

38 / 40

What are the 3 methods for securing a second trailer before coupling?

parking on level ground, chocking the tires, and charging the trailer air tank if it doesn't have spring brakes

parking against another trailer, locking the trailer door, and chocking the tires

all answers listed

chocking the tires, parking on level ground, and charging the air tank

39 / 40

What are some of the important parts in the steering system?

tie rod, spindle, pitman arm

main spring, axle, spring shackle

leaf spring, vehicle frame, torque rod

rim, lug nuts, tire

40 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

nothing will occur until you try to use the brakes

the trailer's air tank will leak through the one line

you will come to a complete stop

the emergency tractor brakes will activate

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CDL Practice Test

How To Get A nevada Commercial Drivers License

To be eligible for a CDL in Nevada, applicants must be at least 18 years old to operate a commercial vehicle intrastate (within Nevada only). To operate a commercial vehicle interstate (outside of Nevada) they must be 21 years old.

Applicants must also provide verification that they are medically fit. Nevada applicants must complete the self-certification process. Depending on the circumstances, some applicants may be required to undergo additional medical testing and complete (Form MCSA-5876) Medical Examiner’s Certificate.

Under certain circumstances, some drivers may be disqualified from earning their commercial license in Nevada. For example, drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Nevada. Applicants cannot have driver’s licenses in more than one state.

Nevada CDL 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

nevada CDL License Test Tips

Every Nevada CDL applicant must pass the general knowledge test prior to taking the skills test. Bus driver applicants must take the passenger transport test in addition to the bus driver test. Applicants who haul hazardous materials must submit to a TSA background check and take the Hazmat test. Applicants must pass each test with an 80 percent score.

The Nevada skills test includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section. Recent military veterans and current military members can have the skills test waived if they are currently enlisted in the military or have served in the military within the past 12 months. Also, they can get a waiver if they have operated a motor vehicle equivalent to a commercial motor vehicle in the military within the past year. Applicants are required to complete (Form CDL-004) Certification for Waiver of Skills Tests to be considered for a waiver.

Additional Information

Information on the Nevada Department of Motor Vehicles

The Nevada Department of Motor Vehicles regulates the CDL license requirements in Nevada. To get more information contact them via:

Website: https://dmvnv.com/cdl.htm

Phone: 702.486.4368

Additional Nevada CDL Helpful Links

Please use the links below to access more valuable Nevada CDL testing resources and to learn more about practice driving tests for the state of Nevada.

nevada CDL Practice Test