Knowledge Test Class B #2
Class B Driving Test | Washington 2025 #2 Page 5 of 7
Train for FREE online with our Washington 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 WA CDL class B permit in 2025, 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.
50
40
20
29 . If convicted of a traffic violation, you must inform your employer:
If you are convicted of any kind of traffic violation in any type of vehicle, you must notify your employer within 30 days of the incident. You must also inform your motor vehicle licensing agency within 30 days if the incident happened in another jurisdiction. This rule does not apply to parking infractions.
30 . You will be denied a HazMat endorsement if:
You will be denied a hazardous materials endorsement, or lose an existing endorsement, if you renounce your U.S. citizenship; are not a lawful permanent U.S. resident; are wanted for, indicted for, or convicted of certain felonies; are judged mentally defective or are committed to a mental institution; or are deemed by the Transportation Security Administration (TSA) to pose a security threat.
31 . Of the following, which is not a recommended way to spot potential signs of trouble?
During a trip, you should regularly make checks to ensure that your vehicle is operating properly. Check the instrument panel and gauges; look at your mirrors; and examine the tires, cargo, and lights. Use all of your senses and be alert for anything that could be an early indication of trouble.
32 . How many daily hours of sleep does an adult need to maintain alertness?
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
33 . Which of the following is not a sign of tire failure?
If you experience tire failure, you may hear the loud "bang" sound of a blowout or feel a heavy thumping or vibration in your vehicle. If steering begins to feel heavy, or if the rear of your vehicle begins to fishtail, you should stop to check your tires.
34 . Friction in an S-cam brake is caused when the brake shoes and linings:
Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.
35 . Containerized loads are used:
Containerized loads are generally used when freight is carried partway by rail or ship. Sealed materials cannot be inspected, but a driver should ensure that the containers do not exceed safe and legal weight limits.
Search the best driving school in your neighbourhood
2025 Washington | Frequently Asked Questions
A CDL Class A license in Washington is defined as a commercial driver's license that allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, given that the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds.
A Class A Commercial Driver's License (CDL) in Washington allows the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed exceeds 10,000 pounds. This includes but is not limited to tractor-trailers, truck and trailer combinations, and tank vehicles.
To obtain a Class A CDL license in Washington, you must be at least 18 years old (21 for interstate driving), possess a valid Washington state driver's license, pass a vision test, and pass knowledge and skills tests. You'll also need to provide proof of U.S. citizenship or lawful permanent residency, and meet medical requirements.
In Washington, you must be at least 18 years old to qualify for a Class A Commercial Driver's License (CDL) for intrastate driving (within Washington only). However, federal regulations require drivers to be at least 21 years old to drive a commercial vehicle interstate (across state lines) or to haul hazardous materials.
While not always required, specific endorsements may be necessary for a Class A CDL license depending on the type of vehicle you'll operate or cargo you'll carry. These can include endorsements for double/triple trailers, tanker vehicles, passenger vehicles, or hazardous materials. Each endorsement requires additional knowledge tests and sometimes a skills test.
The Class A CDL skills test in Washington encompasses three parts: the pre-trip inspection, basic vehicle controls, and on-road driving. The pre-trip inspection checks your ability to assess your vehicle's safety. Basic vehicle controls assess your ability to maneuver and control the vehicle. The on-road driving test evaluates your driving skills in various traffic situations.
Yes, Class A CDL license holders in Washington may face limitations based on their specific endorsements and restrictions. For instance, without the proper endorsements, they cannot operate vehicles with air brakes, transport passengers, or haul hazardous materials. Additionally, restrictions may be placed on licenses due to medical conditions or lack of skills.
Yes, it is possible to take the written Class A CDL test in languages other than English in Washington. The Department of Licensing offers the test in several languages. However, federal regulations require anyone applying for a commercial driver license (CDL) to understand and read English to ensure safety on the roads.
Yes, you can request accommodations for the Class A CDL written test if you have a disability. Washington's Department of Licensing is committed to providing equal access to its services. If you have special needs, contact your local driver licensing office to discuss your situation and determine what accommodations can be made.
If you don't pass the Class A CDL written test in Washington, you can retake it. However, you must wait at least one day before retaking the test. Keep in mind that there may be additional fees for each attempt. It's advisable to study thoroughly before retaking the test to increase your chances of passing.
