Knowledge Test Class B #2
Class B Driving Test | Nevada 2026 #2 Page 7 of 7
Train for FREE online with our Nevada class B 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 B 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 B requirements may vary from state to state.
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43 . What can happen if your vehicle has a high center of gravity?
The tires may not be able to handle the weight.
The height of a vehicle's center of gravity is very important. A high center of gravity (cargo piled up high or heavy cargo on the top of a load) increases the possibility of your vehicle tipping over.
44 . What color are ABS malfunction lamps?
Blue
Vehicles with Anti-Lock Braking Systems (ABS) have yellow malfunction lamps.
45 . As part of the vehicle inspection test, a CDL applicant may be asked to:
Replace spark plugs.
While testing for a CDL, an applicant will be required to go through a full vehicle inspection. The vehicle inspection test will include an engine oil level check.
46 . The tire load for a tire is stated:
The tire load, or the maximum safe weight that a tire can carry at a given pressure, is stated on the side of each tire.
47 . During a trip, gauges are:
During a trip, you should regularly check the gauge and instrument panels, mirrors, tires, cargo, and lights for signs of trouble.
48 . When loading a trailer, it is important to:
When loading cargo, it is important that the weight placed on each axle is neither too little nor too much. Inappropriate loading can interfere with steering, create inadequate wheel traction, or damage the axles.
49 . Truck tractors with air brakes built on or after March 1, 1997 must have:
A rear back-up camera.
Truck tractors with air brakes built on or after March 1, 1997 must be equipped with Anti-Lock Braking Systems (ABS).
50 . Regardless the size of the cargo, it should be secured by at least ____ tie-down(s).
Four
Cargo that is required to be tied down should be secured by at least one tie-down for every 10 feet of cargo length. However, at least two tie-downs should be used no matter how small the cargo is.
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.