Knowledge Test Class B #1
Class B Driving Test | Wyoming 2025 #1 Page 6 of 7
Train for FREE online with our Wyoming 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 WY 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.
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36 . A low air pressure warning signal should activate:
When tank pressure falls below 5 psi.
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
37 . If you plan to slow down, you can warn drivers behind you by:
Putting your hand out the driver's side window and waving.
Before slowing down, it is a good idea to flash your brake lights by lightly tapping your brake pedal a few times. This will warn drivers behind you of your plans to slow down.
38 . During a static leakage test, the maximum leakage rate for a triple combination vehicle with air brakes is ____ in a minute.
9 psi
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 air leaks from the air brake system at a quicker rate, the vehicle should not be driven because something likely needs to be repaired.
39 . A bridge formula:
Maximum axle weights are often set by a bridge formula, which sets a lower maximum weight for axles that are close together.
40 . In a dual air brake system, air pressure should build from 85 to 100 psi within ____ seconds.
When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.
41 . A jogger wearing a stereo headset:
Be careful around pedestrians, joggers, and cyclists who are wearing headphones. They may be unable to hear your vehicle approaching and may do dangerous things because they do not know you are there.
42 . Headache racks:
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
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2025 Wyoming | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in Wyoming, you must already possess a Commercial Driver's License (CDL). Then, you'll need to pass the Doubles/Triples endorsement knowledge test. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and the proper procedures for pulling double/triple trailers. After passing the test, you'll receive the endorsement.
To obtain a CDL Doubles/Triples license, you must first have a Commercial Driver's License (CDL). You then need to pass the Doubles/Triples endorsement knowledge test, which covers topics such as coupling and uncoupling, inspecting doubles and triples, and the correct procedures for pulling double/triple trailers. After passing the test, you'll receive the endorsement.
While it's not explicitly required, having specialized experience or training for a CDL Doubles/Triples endorsement is beneficial. You must pass the endorsement knowledge test, which requires understanding the specifics of handling double/triple trailers. Training or experience can help in understanding these specifics. However, the most important thing is to study your state's CDL handbook and pass the test.
Yes, a specialized written knowledge test is required for the CDL Doubles/Triples endorsement. The test covers topics like coupling and uncoupling, inspecting doubles and triples, and following correct procedures for pulling double/triple trailers. Passing this test is mandatory to obtain the endorsement. However, a skills/driving test isn't required unless upgrading the CDL class.
The CDL Doubles/Triples endorsement test is a written knowledge test, not a skills or driving test. It will cover topics such as coupling and uncoupling trailers, inspecting doubles and triples, and the correct procedures for pulling double/triple trailers. You need to showcase your understanding of these topics rather than demonstrating physical maneuvers.
No, it's not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in Wyoming, or anywhere in the U.S. This endorsement is required by federal law and demonstrates that the driver has the knowledge and skills necessary to safely operate these types of vehicles. Operating without it can result in penalties and fines.
You can append the CDL Doubles/Triples endorsement to your current commercial driver's license. You don't need to initiate a new application for a CDL. However, you must pass the Doubles/Triples knowledge test, and once passed, the endorsement will be added to your existing CDL. Check with your local DMV for specific procedures and fees.
Yes, there are constraints for drivers holding a CDL Doubles/Triples endorsement. For example, these drivers must adhere to weight restrictions and length limitations according to federal and state regulations. Drivers must also comply with hours of service rules, which dictate how many hours they can drive without taking a break. Violating these rules can result in fines or suspension of the license.
Federal regulations limit the gross vehicle weight to 80,000 pounds for vehicles with a CDL Doubles/Triples endorsement. The maximum length for each trailer in a double combination is 28.5 feet, while triple combinations are generally limited to 61 feet in total length. However, specific restrictions can vary by state, so it's important to check local regulations.
Yes, there are specific safety regulations. Drivers must ensure that all trailers are securely attached, and the weight is properly distributed. They must also perform pre-trip inspections, adhere to speed limits, and maintain safe following distances. Additionally, drivers must be trained to handle the high rollover risk associated with these vehicles and understand the proper procedures for coupling and uncoupling trailers.
