Combination #2
Combination Vehicles Practice Test | Wyoming 2025 #2
Train for FREE online with our Wyoming CDL combination vehicle 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 combination license 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 DMV requirements for issuing a combination license may vary from state to state.
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1 . When driving a combination rig, following distance should be:
Longer than when driving a single vehicle.
In comparison to driving a single vehicle, you should maintain an extended following distance when driving a combination rig. Combinations require longer stopping distances than smaller vehicles.
2 . When a combination vehicle goes around a corner:
When a vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. This effect is especially pronounced on vehicles with trailers.
3 . When driving a trailer with ABS, you should:
Try to not brakes as often as you would when driving a vehicle without ABS.
When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if operating a vehicle without ABS.
4 . Push in the trailer air supply control to:
Supply the trailer with air.
Push in the trailer air supply control to supply the trailer with air. Pull out the trailer air supply control to turn off the air supply and activate the emergency brakes.
5 . What does the trailer air supply control look like?
It is a circular orange knob.
On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.
6 . The emergency air line:
Prevents skids.
The emergency air line (also known as the supply line) has two functions. The first is to supply air to the trailer air tanks on a combination vehicle, and the second is to control the emergency brakes.
7 . To test the trailer service brakes, you should:
Move the vehicle forward slowly and apply the brakes with the hand control.
To test the trailer service brakes, you should first ensure that the braking system has a normal air pressure level, then release the parking brake. You should then move the vehicle forward slowly and apply the brakes with the hand control. If the trailer service brakes are working properly, you will feel the brakes activate.
See the exact questions that will be on the 2025 Wyoming DMV exam.
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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.
