Knowledge Test Class A #2
Class A Driving Test | Nevada 2026 #2 Page 7 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.
50
40
20
43 . In a vehicle with dual air brakes, a leak in one system ____ the second system.
A dual air brake system is made up of two separate air brake systems. If there is an air leak in one system, it may not affect the other.
44 . If pulled off to the side of the road, you should:
Keep your door open to warn other motorists.
If you must stop and park on the side of the road, make sure to turn on your emergency flashers. This is especially important at night. Taillights are not an adequate when alerting other drivers because the drivers may mistakenly think your vehicle is moving normally and collide with it.
45 . When you leave your vehicle, you should:
The parking brake should be applied when leaving your vehicle.
46 . Most CDL holders have ____ licenses.
Non-exempted
Most CDL holders who drive CMVs in interstate commerce are non-excepted interstate commerce drivers.
47 . The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
When performing a static leakage test on a single vehicle with air brakes, the leakage rate should be no more than 2 psi in a minute. If the air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
48 . How is water and compressor oil removed from the bottom of an air storage tank?
A sponge is used to soak up the water and oil.
Water and compressor oil are removed from air storage tanks through a drain valve. The water and oil can damage the brakes if left to accumulate in the system. Manually operated tanks must be drained every day to remove this build-up.
49 . 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.
50 . The suspension system:
Lightens the load for the tires.
The suspension system holds up the vehicle and its load while keeping the axles in place. Damage to a suspension system can be very dangerous.
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.