Air Brakes #2
Air Brakes Endorsement Test | Washington 2024 #2 Page 2 of 4
Train for FREE online with our Washington CDL air brake 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 Class A/Class B driver license in 2024, 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 the requirements for CDL may vary from state to state.
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7 . When parked on a flat surface, you should:
When parking on a level surface, you should use wheel chocks. If the vehicle is not equipped with spring brakes, this is essential to prevent the trailer from moving.
8 . When traveling down a steep downgrade:
On long and/or steep downgrades, you should primarily use engine braking to control the speed of your vehicle. Use your brakes only as a supplement to this effect.
9 . Truck tractors with air brakes built on or after March 1, 1997 must have:
Truck tractors with air brakes built on or after March 1, 1997, and other vehicles with air brakes built on or after March 1, 1998, must be equipped with anti-lock brakes.
10 . What is brake lag?
Because air takes time to flow through the air lines to the brakes, air brakes cannot begin working instantly. There is often a brake lag of at least one-half of a second between the moment the brake pedal is pressed and the moment the brakes begin to work.
11 . If the safety relief valve in an air brake system is releasing air:
The safety relief valve in an air brake system releases air if necessary to prevent pressure in the system from becoming too high. If the valve starts releasing air, there is something wrong. Have a mechanic fix the problem.
12 . The leakage rate for a triple combination 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 triple combination vehicle with air brakes, the leakage rate should be no more than 5 psi in one 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.
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2024 Washington | Frequently Asked Questions
A CDL Class B license in Washington allows the holder to operate single vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 or more pounds, or any such vehicle towing another not exceeding 10,000 pounds. This typically includes buses, dump trucks, tow trucks, delivery trucks, and straight trucks.
A Class B CDL license allows you to operate single vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a vehicle of this size towing another not exceeding 10,000 pounds. You can drive buses, dump trucks, tow trucks, delivery trucks, garbage trucks, and straight trucks with this license.
To acquire a Class B CDL license in Washington, applicants must be at least 18 years old (21 if intending to drive interstate), possess a valid Washington state driver's license, pass a vision test, and successfully complete both a knowledge test and skills test. They also must provide proof of U.S. citizenship or lawful permanent residency.
In Washington, you must be at least 18 years old to qualify for a Class B CDL license. However, please note that you must be 21 years old or older if you intend to drive commercial vehicles across state lines (interstate driving).
Specific endorsements aren't necessary for a Class B CDL license, but they can broaden your driving opportunities. Endorsements like H (Hazardous Materials), N (Tank Vehicles), P (Passenger Transport), and S (School Bus) require additional knowledge tests. The T endorsement for double/triple trailers isn't applicable to Class B.
The Class B CDL skills assessment in Washington includes three parts: pre-trip inspection, basic vehicle control, and on-road driving. You'll need to demonstrate knowledge of your vehicle's components, show you can control your vehicle in various situations, and prove you can safely drive in normal traffic conditions.
Yes, Class B CDL license holders in Washington are limited to driving vehicles under 26,001 pounds or towing vehicles that do not exceed 10,000 pounds. They can't operate Class A vehicles unless they upgrade their license. Also, they can't drive vehicles requiring special endorsements unless they pass additional tests.
Yes, in Washington, the written Class B CDL test is available in multiple languages. However, federal regulations require all commercial drivers to read and speak English well enough to converse with the general public, understand traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, in Washington, if you have a disability that requires special accommodations for the Class B CDL written exam, you can request them. Accommodations may include Braille or large print exams, oral exams, or extra time. Be sure to make your request well in advance to allow for arrangements.
Yes, if you don't pass the Class B CDL written test in Washington, you can retake it. However, you must wait at least three days before attempting the test again. You'll need to pay a retesting fee each time. Remember to study thoroughly before retaking to increase your chances of passing.
