Knowledge Test Class B #1
Class B Driving Test | Nevada 2026 #1 Page 3 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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15 . 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.
16 . 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.
17 . 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.
18 . Air tank drains:
Must remain open while driving.
In an air brake system, the air tanks are equipped with drains that allow water and compressor oil to be removed from the system. If allowed to build up, water and compressor oil can damage an air brake system.
19 . If stopped on the side of the road, how should you alert other motorists?
Keep the driver's side door open.
If you must stop on the side of the road, it is important to turn on your four-way emergency flashers to warn other road users.
20 . When using a mirror, you should:
When making mirror checks, you should look at the mirrors fairly quickly. If you spend too much time looking in a mirror, you may travel a substantial distance down the road without seeing what is coming up ahead.
21 . Which of the following is not a problem?
Exhaust system parts that are not leaking
When inspecting an exhaust system, you should verify that parts of the system are not loose, broken, or missing. The system's parts must be properly mounted and should not be rubbing against moving parts of the vehicle.
2026 Nevada | Frequently Asked Questions
A CDL Class B license in Nevada allows individuals to operate single vehicles with a GVWR of 26,001 or more pounds, or a vehicle towing another not exceeding 10,000 pounds. It includes buses, farm labor vehicles, and any vehicle designed to transport 24 passengers or more, including the driver. This classification doesn't include motorcycles or mopeds.
A Class B CDL license in Nevada allows the holder to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 or more pounds, or tow a vehicle not heavier than 10,000 pounds. This includes large passenger buses, segmented buses, delivery trucks, dump trucks with small trailers, and straight trucks.
To acquire a Class B CDL license in Nevada, you must be at least 21 years old (18 for intrastate driving), possess a valid Nevada driver's license, and pass a medical examination. You also need to pass the General Knowledge test and any other knowledge tests for the specific vehicle type. Lastly, you must pass a driving skills test in a vehicle representative of the class of CDL you're applying for.
To qualify for a Class B CDL license in Nevada, you must be at least 18 years old for intrastate driving (within Nevada only). However, if you intend to drive interstate (across state lines) or haul hazardous materials, you must be at least 21 years old.
Specific endorsements aren't necessary for a Class B CDL license, but they can expand job opportunities. Endorsements certify additional skills such as driving passenger vehicles, tank vehicles, or vehicles carrying hazardous materials. To get an endorsement, you must pass additional knowledge and skills tests related to the specific type of vehicle.
The Class B CDL skills assessment in Nevada encompasses three parts: a pre-trip inspection, a basic vehicle control test, and an on-road driving test. The pre-trip inspection tests your ability to assess the vehicle's condition. The basic control test evaluates your ability to maneuver and control the vehicle, and the on-road test assesses your driving skills in traffic.
Class B CDL license holders are limited to operating vehicles with a GVWR of 26,001 pounds or more, or any such vehicle towing another not in excess of 10,000 pounds. They cannot drive a tractor-trailer combination or a truck with double/triple trailers. Also, without specific endorsements, they cannot transport passengers or hazardous materials.
Yes, it's possible to take the written Class B CDL test in languages other than English. The Nevada DMV offers the test in Spanish. However, federal regulations require that all CDL holders understand English well enough to read road signs, prepare reports, and communicate with the public and law enforcement.
Yes, you can request test accommodations for the Class B CDL written exam in Nevada if you have a disability. The Nevada Department of Motor Vehicles (DMV) complies with the Americans with Disabilities Act (ADA) and provides accommodations such as sign language interpreters, extended test time, and tests in alternative formats. You should contact your local DMV office to make these arrangements.
Yes, you can retake the Class B CDL written test if you don't pass on your first attempt. In Nevada, you must wait at least one day before retesting. However, keep in mind that each retest will require a new fee. It's advisable to study thoroughly to ensure success on subsequent attempts.