Knowledge Test Class A #1
Class A Driving Test | Nevada 2026 #1 Page 4 of 7
Train for FREE online with our Nevada class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a NV CDL class A permit in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.
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22 . Be sure that your wheel bearing/seals are:
During an inspection, ensure that the wheel bearing/seals are not leaking.
23 . The air compressor governor controls:
The speed of the vehicle.
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.
24 . In the event of an engine fire, you should not:
Spray from the underside of the vehicle.
In the event of an engine fire, you should turn off the engine as soon as possible. Do not open the hood if you can avoid it. Shoot foam through the louvers or from the vehicle’s underside.
25 . A second conviction of operating a CMV with a minimum blood alcohol concentration (BAC) of 0.04 percent will result in:
It is illegal to operate a CMV if your blood alcohol concentration (BAC) is 0.04 percent or higher. A first offense will result in the loss of your CDL for one year. A second offense will result in the loss of your CDL for life.
26 . You may be denied a HazMat endorsement if:
You do not suffer from a mental illness.
You will be denied a HazMat endorsement, or lose an existing endorsement, if you are not a lawful permanent U.S. resident; you renounce your U.S. citizenship; you are wanted for, under indictment for, or convicted of certain felonies; you are judged as mentally unstable or are committed to a mental institution; or you are deemed to pose a security threat by the Transportation Security Administration (TSA).
27 . Hanging meat as cargo is:
An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.
28 . When stopping in an emergency situation, you should:
If you need to make an emergency stop, you can use either the controlled braking method or the stab braking method. It's important to brake in a way that keeps your vehicle in a straight line but will still allow you to turn if necessary.
See the exact questions that will be on the 2026 Nevada DMV exam.
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2026 Nevada | Frequently Asked Questions
To secure a Commercial Driver's License (CDL) Bus endorsement in Nevada, you must already have a valid CDL. Next, pass the passenger transport test and the school bus endorsement test if applicable. Complete a federal background check, submit a medical examiner's certificate, and pass a skills test in the type of bus you'll be driving.
To obtain a CDL Bus license in Nevada, you need a valid driver's license and must be at least 21 years old. You have to pass a series of written exams on general knowledge, passenger transport, and air brakes (if applicable). Then, pass the pre-trip vehicle inspection, basic vehicle control, and on-road driving tests. Finally, submit a completed medical examiner's certificate.
While Nevada doesn't explicitly require specific training for a CDL Bus endorsement, it's highly recommended. Many applicants attend professional training programs to prepare for the written and skills tests. Practical experience driving similar vehicles is beneficial. Additionally, you must pass a physical exam and meet certain vision and hearing requirements to ensure you can safely operate a bus.
CDL Bus licenses fall into three classifications. Class A is for vehicles with a combined weight over 26,001 lbs, where the towed vehicle is over 10,000 lbs. Class B is for single or combination vehicles where the single vehicle weighs over 26,001 lbs, or tows a vehicle not exceeding 10,000 lbs. Class C is for transporting 16 or more passengers (including the driver) or hazardous materials.
No, you cannot use your personal vehicle for the CDL Bus driving test in Nevada. The vehicle used must represent the type of vehicle you will be driving with your CDL. For a bus endorsement, you must take the test in a bus-like vehicle. This ensures that you can handle and operate the specific type of commercial vehicle safely.
The CDL Bus driving test evaluates several skills. These include pre-trip vehicle inspection, basic vehicle control (backing, moving forward, stopping, and turning), and on-road driving. On-road driving assesses your ability to handle intersections, railway crossings, curves, and more. You'll also be evaluated on how well you manage traffic and emergencies, and your knowledge of bus safety rules.
Yes, there are additional medical prerequisites for a CDL Bus endorsement. You must pass a Department of Transportation (DOT) physical examination every two years. The exam will test your vision, hearing, blood pressure and will check for diabetes and other potential health issues that could affect your ability to safely operate a commercial vehicle.
No, it is not permissible to transport passengers without a valid CDL Bus endorsement in Nevada. The law requires anyone operating a vehicle designed to carry 16 or more passengers, including the driver, to hold a Commercial Driver's License (CDL) with a passenger (P) endorsement. Violations can lead to serious penalties.
Yes, a CDL Bus endorsement can be added to your existing license in Nevada. However, you're required to pass a knowledge test and a skills test in a vehicle representative of the class of bus you wish to drive. After passing these tests, the endorsement will be added to your CDL.
Yes, there are restrictions for drivers with a CDL Bus endorsement in Nevada. Drivers must maintain a clean driving record, pass regular physical examinations, and comply with federal hours-of-service regulations. Additionally, they must not have any disqualifying criminal offenses and must be at least 21 years old to drive commercially across state lines.
