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

The most dangerous time during the school bus ride is:

2 / 40

Select the true statement in regards to the center of gravity for tanks:

3 / 40

How many different hazard classes are there?

4 / 40

When transporting hazardous waste, you must:

5 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

6 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

7 / 40

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

8 / 40

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

9 / 40

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

10 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

11 / 40

A safe haven is:

12 / 40

The longest crack that brake or disc drums can have is:

13 / 40

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

14 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

15 / 40

Buses are prohibited from carrying all of the following hazardous materials except:

16 / 40

Students exit the bus and walk:

17 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

18 / 40

Select what you should do before leaving the vehicle unattended:

19 / 40

Placarded vehicles must carry which type of fire extinguisher?

20 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

21 / 40

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

22 / 40

The correct trailer height when coupling the rear trailer is:

23 / 40

If your bus has an emergency exit door, it must:

24 / 40

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

25 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

26 / 40

Select the true statement about tractor protection valve:

27 / 40

Select which is not an engine compartement belt:

28 / 40

Air pressure should build___with a dual air system.

29 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

30 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

31 / 40

In the event of an accident you should remember to do the following EXCEPT:

32 / 40

Your rig should be parked on__to uncouple double trailers.

33 / 40

To maintain alertness during the trip, drivers should:

34 / 40

What is the reason that placards are used?

35 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

36 / 40

What is the best way to stop all skids?

37 / 40

What can you do at an accident site to help avoid another accident?

38 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

39 / 40

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

40 / 40

Select the action that is not recommended when driving on slippery roads:

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CDL Category Practice Tests

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:


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.